{"dataset":"Industrial Valve Standards Dataset","id":"valve-standards","description":"Valve standards with issuing body, category, governed valve types, applicable pressure classes, testing and documentation requirements.","publisher":"Vajra Industrial Solutions","publisherUrl":"https://www.vajravyuh.com","sourcePage":"https://www.vajravyuh.com/resources/valve-standards-map","downloadUrl":"https://www.vajravyuh.com/data/valve-standards.json","license":"Free to use with attribution to Vajra Industrial Solutions (vajravyuh.com)","citation":"Vajra Valve Data Commons - Valve Standards Dataset, Vajra Industrial Solutions, vajravyuh.com/data","disclaimer":"Engineering reference data for valve service; indicative only. Ratings and limits depend on concentration, temperature and service conditions. Verify against the governing standard and a qualified engineer before procurement.","recordDescription":"One record per standard.","fields":["slug","code","fullTitle","issuingBody","category","valveTypes","applicablePressureClasses","testingRequirements","documentationRequired","relatedStandards"],"recordCount":50,"records":[{"slug":"api-6d","code":"API 6D","fullTitle":"Specification for Pipeline and Piping Valves","issuingBody":"American Petroleum Institute (API)","category":"design","valveTypes":["Ball Valves - floating and trunnion-mounted","Gate Valves - through-conduit, slab, double-expanding","Check Valves - swing type","Plug Valves - lubricated and non-lubricated"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Shell test: 1.5× rated pressure, 15 minutes minimum, zero leakage","Seat leakage test: 1.1× rated pressure, per API 598 leak class","Back seat test (if applicable): 1.1× rated pressure","Anti-static device test: <10 ohm resistance","Torque measurement at maximum differential pressure","Hydrostatic test certificate required for all valves"],"documentationRequired":["API 6D monogram licence certificate","Material Test Reports (MTRs) per EN 10204 3.1 or 3.2","Dimensional inspection report (DI report)","Hydrostatic test certificate (per API 598 / API 6D)","Anti-static test record","Functional operation test record","Positive Material Identification (PMI) report"],"relatedStandards":["API 598","API 607","API 6FA","ASME B16.34","ASME B16.5","ISO 15848"]},{"slug":"api-607","code":"API 607","fullTitle":"Fire Test for Quarter-Turn Valves and Valves Equipped with Nonmetallic Seats","issuingBody":"American Petroleum Institute (API)","category":"testing","valveTypes":["Ball Valves - floating and trunnion-mounted","Butterfly Valves - concentric, double-offset, triple-offset","Other quarter-turn valves with soft seats"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900"],"testingRequirements":["Fire test per API 607: 750–1100°C for 30 minutes","Post-fire leakage test: seats ≤200 mL/min, stem ≤50 mL/min","Post-fire operational test: full open/close cycle","Certificate of qualification (CoQ) from accredited test facility"],"documentationRequired":["API 607 fire test certificate (per model and size range)","Test facility certification","Valve production test certificates","Anti-static device certificate"],"relatedStandards":["API 6D","API 6FA","BS 6755 Part 2","ISO 10497","API 608","API 609"]},{"slug":"asme-b1634","code":"ASME B16.34","fullTitle":"Valves - Flanged, Threaded, and Welding End","issuingBody":"American Society of Mechanical Engineers (ASME)","category":"design","valveTypes":["All valve types: gate, globe, check, ball, butterfly, plug, diaphragm, and specialty valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500","Class 4500"],"testingRequirements":["Shell/body hydrostatic test: 1.5× rated pressure at 20°C","Seat/closure test: 1.1× rated pressure","Backseat test (where applicable)","Shell test duration proportional to NPS"],"documentationRequired":["ASME B16.34 conformance statement on valve data sheet","Material Test Reports (MTRs) for pressure-containing parts","Hydrostatic test certificate","Pressure-temperature rating certificate or data sheet referencing B16.34 tables"],"relatedStandards":["API 6D","API 598","ASME B16.5","ASME B16.10","ASME B16.25","BS EN 12516"]},{"slug":"api-598","code":"API 598","fullTitle":"Valve Inspection and Testing","issuingBody":"American Petroleum Institute (API)","category":"testing","valveTypes":["Gate Valves","Globe Valves","Ball Valves","Check Valves","Butterfly Valves","Plug Valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Shell test: 1.5× rated CWP, minimum duration per table","High-pressure seat: 1.1× rated CWP, liquid, duration per table","Low-pressure seat: 80–100 kPa, gas (air/N₂), duration per table","Backseat test where specified"],"documentationRequired":["Hydrostatic test certificate signed by inspector","Leak class specification on purchase order or data sheet","Test pressure record for all pressure levels"],"relatedStandards":["ASME B16.34","API 6D","EN 12266-1","ISO 5208","BS 6755 Part 1"]},{"slug":"nace-mr0175","code":"NACE MR0175 / ISO 15156","fullTitle":"Petroleum and Natural Gas Industries - Materials for Use in H₂S-Containing Environments (Sour Service)","issuingBody":"NACE International (now AMPP) / ISO","category":"material","valveTypes":["All valve types used in sour gas/oil service","Particularly critical: gate valves, ball valves, check valves, globe valves","Safety relief valves on sour service vessels"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500"],"testingRequirements":["Hardness testing: all valve bodies, bonnets, stems - per NACE MR0175 limits","Charpy impact testing (where required by NACE MR0175)","Weld hardness survey for hard-faced seats","PWHT verification (where required)"],"documentationRequired":["NACE MR0175 compliance certificate on valve data sheet","Hardness test records (Brinell or Rockwell) for all CRAs and CS components","PWHT records (time-temperature charts)","Welding procedure qualification records (WPQRs) with NACE hardness compliance"],"relatedStandards":["ISO 15156","NACE TM0284","NACE TM0177","API 6D","ASME B16.34"]},{"slug":"api-609","code":"API 609","fullTitle":"Butterfly Valves: Double-Flanged, Lug- and Wafer-Type","issuingBody":"American Petroleum Institute (API)","category":"design","valveTypes":["Butterfly Valves - concentric (resilient seat)","Butterfly Valves - double-eccentric (high-performance)","Butterfly Valves - triple-offset (metal seat)"],"applicablePressureClasses":["Class 150","Class 300","Class 600"],"testingRequirements":["Shell test: 1.5× rated pressure","Seat leakage test: 1.1× rated pressure, Class A or D per API 598","Torque measurement at rated differential pressure","Fire test per API 607 if fire-safe designation"],"documentationRequired":["API 609 design conformance on data sheet","Hydrostatic test certificate","API 607 fire test certificate (for fire-safe valves)","Material certificates (EN 10204 3.1)"],"relatedStandards":["API 607","API 598","ASME B16.34","ASME B16.10","EN 593"]},{"slug":"iso-15848","code":"ISO 15848","fullTitle":"Measurement, Test, and Qualification Procedures for Fugitive Emissions - Industrial Valves","issuingBody":"International Organization for Standardization (ISO)","category":"testing","valveTypes":["Gate Valves","Globe Valves","Ball Valves","Butterfly Valves","Plug Valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900"],"testingRequirements":["Type test per ISO 15848-1 (qualification)","Production test per ISO 15848-2 (100% or AQL sampling)","Helium or methane tracer gas","ISO-accredited test facility certificate"],"documentationRequired":["ISO 15848 type test certificate (from accredited lab)","Leak class declaration on data sheet","Production test records (Part 2)"],"relatedStandards":["API 624","API 641","TA Luft (Germany)","EPA Method 21 (USA)","EN 13654"]},{"slug":"api-526","code":"API 526","fullTitle":"Flanged Steel Pressure-Relief Valves","issuingBody":"American Petroleum Institute (API)","category":"design","valveTypes":["Safety Relief Valves - API 526 (flanged)","Pressure Safety Valves (PSVs)","Pilot-Operated Relief Valves (PORVs)"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Set pressure test: valve must open at ± tolerance of set pressure","Blowdown test: valve must reseat within 7–10% of set pressure","Seat leakage test: per API 527","Cold-differential test pressure (CDTP) accounting for back pressure and temperature correction"],"documentationRequired":["API 526 data sheet with orifice designation and set pressure","ASME Section I/VIII/PTC25 certification (for boiler and pressure vessel installations)","National Board Certification (for ASME-code vessels)","IBR Form III-E/III-C (for steam service in India)"],"relatedStandards":["API 520","API 527","ASME Section VIII","ASME Section I","IBR","EN 4126"]},{"slug":"bs-6755","code":"BS 6755","fullTitle":"Testing of Valves - Production Pressure Testing and Fire Type Testing Requirements","issuingBody":"British Standards Institution (BSI)","category":"testing","valveTypes":["Ball Valves","Gate Valves","Globe Valves","Butterfly Valves","Check Valves","Plug Valves","Needle Valves"],"applicablePressureClasses":["PN 10 to PN 420","ASME Class 150 to Class 2500"],"testingRequirements":["Shell hydrostatic test at 1.5× pressure rating (production test on every valve)","High-pressure closure test at 1.1× pressure rating","Low-pressure air seat test at 0.6 bar ± 0.1 bar","Duration per BS 6755 Table 1 (varies by valve size, NPS 1/2\" through NPS 60\")","Temperature: ambient (10–40°C) for production tests"],"documentationRequired":["BS 6755 Part 1 test certificate with leakage rate class (A, B, C, or D) stated","Material test reports (MTRs) per EN 10204 Type 3.1 or 3.2","Dimensional inspection report per BS 6755 and end-connection standard","Third-party witness test certificate (if required by specification)","BS 6755 Part 2 fire test certificate (if fire-safe valves specified)"],"relatedStandards":["API 598","ISO 5208","ISO 10497","API 607","API 6D","ASME B16.34","EN 12266-1"]},{"slug":"api-600","code":"API 600","fullTitle":"Specification for Steel Gate Valves - Flanged and Butt-Welding Ends, Bolted and Pressure-Seal Bonnets","issuingBody":"American Petroleum Institute (API)","category":"design","valveTypes":["Gate Valves - wedge gate, NPS 2 and larger"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Shell test: 1.5× rated pressure for minimum 60 seconds","Seat leakage test: 1.1× rated pressure per API 598 Class VI","Back seat test: 1.1× rated pressure with packing loose","Dimensional inspection per API 600 Table 1 face-to-face dimensions"],"documentationRequired":["Material Test Reports (MTR) per EN 10204 3.1","Hydrostatic shell and seat test certificate","Dimensional inspection report","Trim material confirmation"],"relatedStandards":["API 598","API 602","ASME B16.34","ASME B16.10","ASME B16.5","API 6D"]},{"slug":"api-602","code":"API 602","fullTitle":"Gate, Globe, and Check Valves for Sizes DN 100 and Smaller for the Petroleum and Natural Gas Industries","issuingBody":"American Petroleum Institute (API)","category":"design","valveTypes":["Gate Valves - small bore, NPS ½ to 1½","Globe Valves - small bore, NPS ½ to 1½","Check Valves - piston and swing type, small bore"],"applicablePressureClasses":["Class 800","Class 1500","Class 2500"],"testingRequirements":["Shell test: 1.5× cold working pressure","Seat leakage test: 1.1× cold working pressure","Back seat test per API 598"],"documentationRequired":["Material Test Reports (MTR) - 3.1 certification","Pressure test certificate","Dimensional inspection report"],"relatedStandards":["API 600","API 598","ASME B16.34","ASME B16.11","MSS SP-80"]},{"slug":"api-594","code":"API 594","fullTitle":"Check Valves: Flanged, Lug, Wafer, and Butt-Welding","issuingBody":"American Petroleum Institute (API)","category":"design","valveTypes":["Swing Check Valves","Dual Plate (Double Door) Check Valves","Tilting Disc Check Valves","Lift Check Valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Shell test: 1.5× rated pressure","Seat leakage test: 1.1× rated pressure per API 598","Low-pressure seat test: 6 bar air"],"documentationRequired":["API 594 compliance certificate","Material Test Reports (MTR)","Pressure test certificate"],"relatedStandards":["API 598","API 6D","ASME B16.34","ASME B16.10"]},{"slug":"api-6fa","code":"API 6FA","fullTitle":"Specification for Fire Testing of Valves","issuingBody":"American Petroleum Institute (API)","category":"testing","valveTypes":["Ball Valves - trunnion and floating","Gate Valves - through-conduit and wedge type","Plug Valves - lubricated and non-lubricated","Check Valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Fire test: 750–1000°C for 30 minutes in gas-fired or propane furnace","Post-fire leakage: seats ≤200 mL/min, stem/body ≤200 mL/min","Post-fire operation: full open/close cycle","Certificate of qualification (CoQ) required from third-party test facility"],"documentationRequired":["API 6FA fire test certificate per model/size range","Third-party test laboratory certification","Bill of Materials confirming same construction as tested valve","Production test certificates (hydrostatic + seat)"],"relatedStandards":["API 6D","API 607","ISO 10497","BS 6755 Part 2"]},{"slug":"asme-b16-25","code":"ASME B16.25","fullTitle":"Buttwelding Ends","issuingBody":"American Society of Mechanical Engineers (ASME)","category":"design","valveTypes":["All valve types with butt-weld end connections","Ball Valves, Gate Valves, Globe Valves, Check Valves (BW ends)"],"applicablePressureClasses":["All pressure classes with BW ends"],"testingRequirements":["Dimensional verification of bore diameter and bevel angle","Visual inspection of end preparation"],"documentationRequired":["Dimensional inspection report confirming B16.25 compliance","Material Test Reports (MTR)"],"relatedStandards":["ASME B16.34","ASME B16.5","ASME B31.3","API 6D"]},{"slug":"iso-5208","code":"ISO 5208","fullTitle":"Industrial Valves - Pressure Testing of Metallic Valves","issuingBody":"International Organization for Standardization (ISO)","category":"testing","valveTypes":["All metallic industrial valve types","Gate, Globe, Ball, Butterfly, Check, Plug, Needle valves"],"applicablePressureClasses":["All pressure classes per ASME B16.34 and EN 1092"],"testingRequirements":["Shell test: 1.5× rated pressure, per duration table","Seat test: 1.1× rated pressure, per leakage rate","Pneumatic test option: 6 bar air or nitrogen for gas valves"],"documentationRequired":["ISO 5208 test certificate","Leakage rate classification (A through F) specified on certificate","Test medium and temperature recorded"],"relatedStandards":["API 598","EN 12266","API 6D","ASME B16.34"]},{"slug":"iso-10497","code":"ISO 10497","fullTitle":"Testing of Valves - Fire Type-Testing Requirements","issuingBody":"International Organization for Standardization (ISO)","category":"testing","valveTypes":["Ball Valves - floating and trunnion-mounted","Butterfly Valves - concentric, double-offset, triple-offset","Gate Valves","Globe Valves","Plug Valves"],"applicablePressureClasses":["All pressure classes"],"testingRequirements":["Fire test: 750–1100°C for 30 minutes in certified test facility","Post-fire leakage: ≤200 mL/min through seats and body","Post-fire operation: full open/close cycle"],"documentationRequired":["ISO 10497 fire test type certificate","Accredited test facility certificate","Design similarity declaration"],"relatedStandards":["API 607","API 6FA","BS 6755 Part 2","API 6D"]},{"slug":"en-593","code":"EN 593","fullTitle":"Industrial Valves - Metallic Butterfly Valves","issuingBody":"European Committee for Standardization (CEN)","category":"design","valveTypes":["Butterfly Valves - concentric rubber-seated","Butterfly Valves - double-offset high-performance","Butterfly Valves - triple-offset metal-seated"],"applicablePressureClasses":["PN 2.5","PN 6","PN 10","PN 16","PN 25","PN 40"],"testingRequirements":["Shell test per EN 12266 Part 1: 1.5× PN rating","Seat leakage test per EN 12266 Part 1: 1.1× PN rating","Leakage rate A, B, C, or D as specified"],"documentationRequired":["EN 593 compliance declaration","EN 10204 3.1 or 3.2 Material Test Reports","PED Declaration of Conformity (for CE marking)","Pressure test certificate"],"relatedStandards":["PED 2014/68/EU","EN 12266","EN 558","API 609","EN 1092-1"]},{"slug":"mss-sp-55","code":"MSS SP-55","fullTitle":"Quality Standard for Steel Castings and Forgings for Valves, Flanges, Fittings and Other Piping Components","issuingBody":"Manufacturers Standardization Society (MSS)","category":"material","valveTypes":["All cast steel valve types"],"applicablePressureClasses":["All pressure classes with cast bodies"],"testingRequirements":["Visual inspection against MSS SP-55 photographic reference chart","100% visual inspection of all critical areas (flow path, seating surfaces)"],"documentationRequired":["Visual inspection record referencing MSS SP-55 acceptance criteria","Foundry inspection report"],"relatedStandards":["ASTM A216","ASTM A217","ASTM A351","API 598","ASME B16.34"]},{"slug":"api-527","code":"API 527","fullTitle":"Seat Tightness of Pressure Relief Valves","issuingBody":"American Petroleum Institute (API)","category":"testing","valveTypes":["Spring-Loaded Safety Relief Valves","Pilot-Operated Pressure Relief Valves"],"applicablePressureClasses":["15 psig to 6000 psig set pressure"],"testingRequirements":["Seat tightness test at 90% of set pressure","Bubble count or drop count per API 527 acceptance table","Test conducted before shipment and after maintenance"],"documentationRequired":["API 527 seat tightness test certificate","Set pressure and cold differential test pressure (CDTP) record","Valve nameplate data"],"relatedStandards":["API 526","API 520","ASME Section VIII","API 598"]},{"slug":"nace-mr0103","code":"NACE MR0103","fullTitle":"Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refinery Environments","issuingBody":"NACE International (now AMPP)","category":"material","valveTypes":["All valve types in wet H₂S refinery service","Gate, Globe, Ball, Butterfly, Check valves"],"applicablePressureClasses":["All pressure classes"],"testingRequirements":["Brinell or Rockwell hardness testing of body, bonnet, and trim","PWHT verification by hardness test","Traceability to heat treatment records"],"documentationRequired":["NACE MR0103 compliance certificate","Hardness test report (all pressure-containing parts)","PWHT records for carbon and alloy steel valves","Material Test Reports (MTR) per EN 10204 3.1"],"relatedStandards":["NACE MR0175 / ISO 15156","API 6D","ASME B16.34","API 598"]},{"slug":"asme-b31-3","code":"ASME B31.3","fullTitle":"Process Piping","issuingBody":"American Society of Mechanical Engineers (ASME)","category":"installation","valveTypes":["All valve types used in process piping"],"applicablePressureClasses":["Class 150 through 2500 per ASME B16.34"],"testingRequirements":["Hydrostatic leak test of piping system after installation","Individual valve test certificates per API 598 / ISO 5208"],"documentationRequired":["ASME B16.34 compliance marking on valves","Material Test Reports (MTR) per EN 10204 3.1","Valve pressure test certificates","ASME B31.3 piping system test records"],"relatedStandards":["ASME B16.34","ASME B16.5","API 598","API 6D","ASME B16.25"]},{"slug":"asme-b16-10","code":"ASME B16.10","fullTitle":"Face-to-Face and End-to-End Dimensions of Valves","issuingBody":"American Society of Mechanical Engineers (ASME)","category":"design","valveTypes":["Gate Valves","Globe Valves","Swing Check Valves","Ball Valves","Butterfly Valves"],"applicablePressureClasses":["Class 125/150","Class 250/300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Dimensional inspection: face-to-face measurement within B16.10 tolerance"],"documentationRequired":["Dimensional inspection report confirming B16.10 FTF compliance"],"relatedStandards":["ASME B16.34","ASME B16.5","EN 558","API 598"]},{"slug":"asme-b16-5","code":"ASME B16.5","fullTitle":"Pipe Flanges and Flanged Fittings NPS 1/2 through NPS 24 Metric/Inch Standard","issuingBody":"American Society of Mechanical Engineers (ASME)","category":"design","valveTypes":["Ball Valves - flanged end","Gate Valves - flanged end","Globe Valves - flanged end","Butterfly Valves - double-flanged","Check Valves - flanged end","Plug Valves - flanged end"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Shell hydrostatic test: 1.5× rated pressure per class and material group","Flange facing dimensional inspection to B16.5 tolerances","Positive material identification (PMI) for alloy and stainless steel flanges"],"documentationRequired":["ASME B16.5 compliance marking on valve body flange","Material Test Reports (MTR) per EN 10204 3.1","Pressure-temperature rating data sheet referencing B16.5 material group","Hydrostatic test certificate"],"relatedStandards":["asme-b1634","asme-b16-25","asme-b31-3","api-598","en-1092-1"]},{"slug":"mss-sp-80","code":"MSS SP-80","fullTitle":"Bronze Gate, Globe, Angle and Check Valves","issuingBody":"Manufacturers Standardization Society (MSS)","category":"design","valveTypes":["Bronze Gate Valves","Bronze Globe Valves","Bronze Angle Valves","Bronze Swing Check Valves"],"applicablePressureClasses":["Class 125 (PN 16)","Class 250 (PN 40)"],"testingRequirements":["Shell test: 2× working pressure, all valves, no leakage through body","Seat test: 1× working pressure, acceptable bubble rate per test criteria","Dimensional checks per MSS SP-80 tables for each valve type and size"],"documentationRequired":["MSS SP-80 compliance marking (SP-80, class, and manufacturer logo)","Pressure class marking on valve body","Material designation marking"],"relatedStandards":["api-598","asme-b16-5","iso-5208"]},{"slug":"bs-5351","code":"BS 5351","fullTitle":"Steel Ball Valves for Petroleum, Petrochemical and Allied Industries","issuingBody":"British Standards Institution (BSI)","category":"design","valveTypes":["Ball Valves - floating ball (NPS ½\" to NPS 4\")","Ball Valves - trunnion-mounted (NPS 2\" and above)"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500","PN 16 to PN 420"],"testingRequirements":["Shell test: 1.5× rated pressure, 15 minutes minimum, zero leakage","Seat leakage test: 1.1× rated pressure per API 598 or ISO 5208 acceptance criteria","Anti-static continuity test: electrical resistance ≤10 ohms across stem-ball-body","Fire-safe test per BS 6755 Part 2 / ISO 10497 when specified"],"documentationRequired":["BS 5351 compliance certificate","Shell and seat pressure test certificates","Material Test Reports (MTR) 3.1 per EN 10204","Positive material identification (PMI) report"],"relatedStandards":["api-6d","api-598","bs-6755","iso-5208","asme-b16-5"]},{"slug":"api-6a","code":"API 6A","fullTitle":"Specification for Wellhead and Christmas Tree Equipment","issuingBody":"American Petroleum Institute (API)","category":"design","valveTypes":["Gate Valves - slab and expanding type wellhead","Ball Valves - wellhead and Christmas tree","Choke Valves - adjustable and positive","Plug Valves - wellhead service"],"applicablePressureClasses":["2000 psi","3000 psi","5000 psi","10000 psi","15000 psi","20000 psi"],"testingRequirements":["Hydrostatic body (shell) test at 1.5× rated working pressure","Seat (gate/seat interface) test at rated working pressure, both upstream and downstream seats","Low-pressure gas seat test at 100–200 psi for PSL 3G/4","Functional test: full open-to-close-to-open cycle under rated pressure","Extended cyclic pressure test for PSL 3G and 4 qualification"],"documentationRequired":["API 6A monogram license (API monogram on equipment)","Material Mill Test Reports (MTR) per EN 10204 3.1","Full hydrostatic test report with witnessed pressure charts","Third-party inspection certificate (PSL 3/3G/4)","NACE MR0175 compliance report when CC/DD/EE/FF/HH material class is specified"],"relatedStandards":["api-6d","nace-mr0175","api-607","api-6fa","asme-b1634"]},{"slug":"norsok-m-630","code":"NORSOK M-630","fullTitle":"Material Data Sheets and Element Requirements for Piping","issuingBody":"NORSOK Standards (Norwegian Oil and Gas Industry)","category":"material","valveTypes":["All valve types used in Norwegian offshore piping systems","Gate, Globe, Ball, Butterfly, Check, Plug valves"],"applicablePressureClasses":["All pressure classes used in offshore piping systems"],"testingRequirements":["Charpy impact testing at −46°C (or lower for Arctic service) per MDS requirements","Corrosion testing per applicable MDS (ASTM A262, ASTM G48, or ASTM A923)","Ferrite content measurement for duplex/super-duplex stainless valves","Pitting resistance equivalent number (PREN) verification for stainless alloys"],"documentationRequired":["Material Data Sheet (MDS) reference declared on documentation package","Material Test Report (MTR) EN 10204 3.1 with heat/cast number and chemical analysis","Charpy impact test results","Corrosion/ferrite test reports as applicable to MDS","NACE MR0175 compliance certificate where H₂S service is present"],"relatedStandards":["nace-mr0175","api-6d","asme-b1634","iso-15848"]},{"slug":"en-1092-1","code":"EN 1092-1","fullTitle":"Flanges and Their Joints - Circular Flanges for Pipes, Valves, Fittings and Accessories, PN Designated - Part 1: Steel Flanges","issuingBody":"European Committee for Standardization (CEN)","category":"design","valveTypes":["All flanged valve types supplied into EU markets","Gate, Globe, Ball, Butterfly, Check, Plug valves with PN-class flanged ends"],"applicablePressureClasses":["PN 6","PN 10","PN 16","PN 25","PN 40","PN 63","PN 100","PN 160","PN 250","PN 400"],"testingRequirements":["Dimensional inspection of flange face, bolt circle, and outer diameter per EN 1092-1 tables","Shell hydrostatic test per manufacturer standard or PED requirements","Material verification: PMI or 3.1 MTR for alloy and stainless steel flanges"],"documentationRequired":["EN 1092-1 dimensional compliance marking on flange","CE Declaration of Conformity under PED 2014/68/EU (for EU supply)","Material Test Report (MTR) per EN 10204 3.1","Dimensional inspection report"],"relatedStandards":["asme-b16-5","asme-b1634","asme-b31-3","asme-b16-47","en-593"]},{"slug":"asme-b31-1","code":"ASME B31.1","fullTitle":"Power Piping","issuingBody":"American Society of Mechanical Engineers (ASME)","category":"installation","valveTypes":["Gate Valves - main steam and feedwater isolation","Globe Valves - throttling in steam and feedwater service","Check Valves - feedwater and condensate return","Ball Valves - auxiliary steam and drain service"],"applicablePressureClasses":["Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Hydrostatic test of each valve per ASME B16.34 / API 598 before installation","System hydrostatic or pneumatic test after installation per B31.1 test requirements","NDE examination of welds (RT or UT) for Class 1 and critical piping"],"documentationRequired":["ASME B16.34 compliance marking on valve body","Material Test Reports (MTR) per EN 10204 3.1 for alloy steel bodies","Weld procedure specifications (WPS) and procedure qualification records (PQR) per ASME Section IX","PWHT records for alloy steel valves and weld-end installations","Pressure test certificate"],"relatedStandards":["asme-b1634","asme-b31-3","asme-b16-5","api-598","iso-5208"]},{"slug":"iso-14313","code":"ISO 14313","fullTitle":"Petroleum and Natural Gas Industries - Pipeline Transportation Systems - Pipeline Valves","issuingBody":"International Organization for Standardization (ISO)","category":"design","valveTypes":["Ball Valves - floating and trunnion-mounted, full-bore and reduced-bore","Gate Valves - through-conduit, slab, double-expanding","Check Valves - swing type, non-slam","Plug Valves - lubricated and non-lubricated"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500","PN 20 to PN 420"],"testingRequirements":["Shell test: 1.5× rated pressure, 15 minutes minimum, zero leakage","Seat leakage test: 1.1× rated pressure, acceptance per ISO 5208 rate A or B","Anti-static continuity test: ≤10 ohms across stem-ball/disc-body","Functional test: open-close-open cycle under rated pressure"],"documentationRequired":["ISO 14313 compliance certificate","Shell and seat pressure test reports","Material Test Reports (MTR) per EN 10204 3.1","Anti-static test report","Fire-test certificate per ISO 10497 / API 6FA (when fire-safe is specified)"],"relatedStandards":["api-6d","api-598","iso-5208","iso-10497","nace-mr0175"]},{"slug":"api-623","code":"API 623","fullTitle":"Steel Globe Valves - Flanged and Butt-Welding Ends, Bolted Bonnet","issuingBody":"American Petroleum Institute (API)","category":"design","valveTypes":["Globe Valves - straight pattern (flanged and butt-welding ends)","Globe Valves - angle pattern","Globe Valves - Y-pattern (oblique body)"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Shell test: 1.5× rated pressure, 15 minutes, zero leakage through body or bonnet joint","Seat leakage test: 1.1× rated pressure per API 598 acceptance classes","Backseat test when backseat is provided: 1.1× rated pressure, zero leakage"],"documentationRequired":["API 623 compliance certificate","Shell and seat test certificate with pressure, duration, and leakage data","Material Test Reports (MTR) per EN 10204 3.1","Dimensional report for body and end flanges"],"relatedStandards":["api-598","api-600","api-602","asme-b1634","asme-b16-5"]},{"slug":"bs-1873","code":"BS 1873","fullTitle":"Steel Globe and Globe Stop and Check Valves (Flanged and Butt-Welding Ends) for the Petroleum, Petrochemical and Allied Industries","issuingBody":"British Standards Institution (BSI)","category":"design","valveTypes":["Globe Valves - straight and angle pattern","Globe Stop-and-Check Valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500","PN 16 to PN 400"],"testingRequirements":["Shell test: 1.5× rated pressure, minimum 15 minutes, zero leakage","Seat leakage test: 1.1× rated pressure, acceptance per API 598 or ISO 5208","Backseat test: 1.1× rated pressure when backseat is provided"],"documentationRequired":["BS 1873 compliance certificate","Shell and seat pressure test certificates","Material Test Reports (MTR) per EN 10204 3.1","PMI report for alloy and stainless steel valves"],"relatedStandards":["api-623","api-598","bs-6755","asme-b1634","iso-5208"]},{"slug":"asme-b16-47","code":"ASME B16.47","fullTitle":"Large Diameter Steel Flanges NPS 26 Through NPS 60 Metric/Inch Standard","issuingBody":"American Society of Mechanical Engineers (ASME)","category":"design","valveTypes":["Gate Valves - large bore (NPS 26\" and above) with flanged ends","Ball Valves - large bore trunnion-mounted with flanged ends","Butterfly Valves - large bore double-flanged","Check Valves - large bore flanged"],"applicablePressureClasses":["Class 75 (Series A)","Class 150","Class 300","Class 400","Class 600","Class 900"],"testingRequirements":["Dimensional inspection per ASME B16.47 Series A or B tables","Hydrostatic shell test at 1.5× rated pressure for flanged valves","PMI verification for alloy steel and stainless steel flanges"],"documentationRequired":["ASME B16.47 Series designation (A or B) on documentation and marking","Pressure class marking on flange","Material Test Reports (MTR) per EN 10204 3.1","Dimensional inspection report confirming series and class compliance"],"relatedStandards":["asme-b16-5","asme-b1634","asme-b31-3","api-6d","asme-b16-10"]},{"slug":"api-17d","code":"API 17D","fullTitle":"Design and Operation of Subsea Production Systems - Subsea Wellhead and Tree Equipment","issuingBody":"American Petroleum Institute (API)","category":"design","valveTypes":["Subsea Gate Valves - production master and wing valves on tree","Subsea Ball Valves - crown valve and swab valve","Subsea Choke Valves - flow control on production tree"],"applicablePressureClasses":["3000 psi","5000 psi","10000 psi","15000 psi"],"testingRequirements":["Factory acceptance test (FAT): full hydrostatic test at 1.5× rated working pressure","Seat test at rated working pressure from both upstream and downstream","Low-pressure gas test at 50–100 psi for seat integrity check","Full functional cycling under rated pressure (minimum cycle count per PSL level)","System integration test (SIT): assembled tree tested with running tools and ROV override"],"documentationRequired":["API 17D / ISO 13628-4 compliance certificate","PSL 3 or 4 qualification documentation package","Full material traceability records (EN 10204 3.1 or 3.2 MTRs)","Third-party inspection certificate from API-qualified inspection body","Factory acceptance test report with witnessed pressure curves","NACE MR0175 / ISO 15156 compliance certificate for sour service components"],"relatedStandards":["api-6a","nace-mr0175","api-6fa","api-607","iso-10497"]},{"slug":"asme-b31-4","code":"ASME B31.4","fullTitle":"Pipeline Transportation Systems for Liquids and Slurries","issuingBody":"American Society of Mechanical Engineers (ASME)","category":"installation","valveTypes":["Ball Valves - full-bore API 6D for mainline isolation","Gate Valves - API 6D for block valve service","Check Valves - API 6D swing check at pump discharge","Control Valves - ASME B16.34 for pressure regulation","Safety Relief Valves - API 526 for surge protection"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900"],"testingRequirements":["Valve shell test: per applicable valve standard (API 598, ISO 5208)","Pipeline hydrostatic test: 1.25× MAOP, 4-hour minimum hold at pressure","Leak test after pressure test: visual inspection of all joints and valve bodies"],"documentationRequired":["EN 10204 3.1 or 3.2 material test certificates (MTC) for all pressure-containing parts","Valve manufacturer's certificate of conformance (CoC)","API 598 or ISO 5208 pressure test certificate","Dimensional inspection report per API 6D or ASME B16.34"],"relatedStandards":["api-6d","asme-b1634","api-598","asme-b31-3","asme-b31-8"]},{"slug":"asme-b31-8","code":"ASME B31.8","fullTitle":"Gas Transmission and Distribution Piping Systems","issuingBody":"American Society of Mechanical Engineers (ASME)","category":"installation","valveTypes":["Ball Valves - full-bore API 6D for mainline, actuated ESV","Gate Valves - API 6D, rising stem for above-ground installations","Check Valves - API 6D swing check for compressor station discharge","Plug Valves - lubricated and non-lubricated for distribution systems"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500"],"testingRequirements":["Valve testing per API 598 or ISO 5208 required at manufacture","Field hydrostatic test of new pipeline: 1.25–1.5× MAOP depending on location class","Leak survey by walking or aerial survey required after commissioning"],"documentationRequired":["EN 10204 3.1 MTCs for body, bonnet, stem, and pressure-containing parts","API 598 or ISO 5208 pressure test certificate","Certificate of conformance to API 6D or ASME B16.34","Actuator torque certification (if motorised or pneumatic ESD valve)"],"relatedStandards":["api-6d","asme-b1634","api-598","asme-b31-3","asme-b31-4"]},{"slug":"awwa-c504","code":"AWWA C504","fullTitle":"Rubber-Seated Butterfly Valves, 3 In. Through 72 In. (76 mm through 1,800 mm)","issuingBody":"American Water Works Association (AWWA)","category":"design","valveTypes":["Butterfly Valves - concentric (centric) rubber seat, DN76–DN1800","Butterfly Valves - double-eccentric (high-performance), larger sizes"],"applicablePressureClasses":["Class 150B (150 psi / PN10)","Class 250B (250 psi / PN17)"],"testingRequirements":["Hydrostatic shell test: 1.5× rated working pressure, 2 minutes, zero visible leakage","Disc seat test: 1.1× rated pressure each direction, 2 minutes, zero visible leakage","Actuator torque test: torque measured at maximum differential pressure before seal test"],"documentationRequired":["NSF/ANSI 61 compliance certificate for rubber seat and body coating in potable water contact","Manufacturer's hydrostatic test certificate with pressure class and test pressures","Dimensional inspection report per AWWA C504 Table 3 (flange face OD, BFV face-to-face)","Actuator torque curve and gear ratio documentation"],"relatedStandards":["asme-b1634","en-593","api-598"]},{"slug":"en-12516","code":"EN 12516","fullTitle":"Industrial Valves - Shell Design Strength","issuingBody":"European Committee for Standardization (CEN)","category":"design","valveTypes":["Gate Valves - body and bonnet wall thickness","Globe Valves - body shell calculation","Ball Valves - body and end cap design","Butterfly Valves - body design for high-pressure applications","Check Valves - body shell design","Diaphragm Valves - body and bonnet"],"applicablePressureClasses":["PN 6","PN 10","PN 16","PN 25","PN 40","PN 63","PN 100","PN 160","PN 250","PN 320","PN 400"],"testingRequirements":["Shell pressure test per EN 12266-1 (industrial valve testing standard): 1.5× rated pressure, 2 minutes minimum","Seat leakage test per EN 12266-1, leak rate class A/B/C/D per EN 1267","Prototype pressure test to burst (EN 12516-3) if calculation method not applied"],"documentationRequired":["Design calculation report per EN 12516-2 or wall thickness compliance table per EN 12516-1","Declaration of Conformity to EN 12516 and PED 2014/68/EU (for CE-marked valves)","EN 10204 3.1 material test certificates confirming actual Rm/Rp0.2 properties","CE Technical File including design calculations, test records, and quality documentation"],"relatedStandards":["asme-b1634","en-593","en-1092-1"]},{"slug":"iso-9001","code":"ISO 9001","fullTitle":"Quality Management Systems - Requirements","issuingBody":"International Organization for Standardization (ISO)","category":"design","valveTypes":["All valve types - ball valves, gate valves, globe valves, butterfly valves, check valves, plug valves, safety valves, actuators"],"applicablePressureClasses":["All pressure classes"],"testingRequirements":["Calibrated test equipment for hydrostatic and pneumatic testing (traceable to national measurement standards)","Dimensional inspection records using calibrated gauges, micrometers, and CMM","Material verification records matching mill certificates to physical products","Non-conforming product identification, segregation, and disposition records"],"documentationRequired":["ISO 9001:2015 certificate from UKAS, DAkkS, NABCB, or equivalent IAF-accredited certification body","Quality Management System manual (or documented procedures) available for customer audit","Certificate scope must include valve design, manufacture, inspection, and testing","Certificate must be current (valid) - verify expiry date against IAF/IQNET registry"],"relatedStandards":["api-6d","asme-b1634","api-609","api-598"]},{"slug":"api-641","code":"API 641","fullTitle":"Qualification Testing of Quarter-Turn Valves for Fugitive Emissions","issuingBody":"American Petroleum Institute (API)","category":"testing","valveTypes":["Ball Valves - floating and trunnion-mounted, quarter-turn","Butterfly Valves - double-offset, triple-offset (API 609)"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500"],"testingRequirements":["310 mechanical operating cycles at ambient temperature per API 641 procedure","Thermal cycling from −29°C to +200°C (3 cycles minimum)","Stem and body-bonnet leak measurement per EPA Method 21 at every stage","Leak rate result reported as ppm methane-equivalent","Final test pressure: 10% of rated pressure for leak measurement"],"documentationRequired":["API 641 type test report from accredited third-party test laboratory","Test report must include valve design drawings, packing material specification, and leak rate data at each test stage","Statement of qualified valve sizes and pressure classes covered by the test","Live-loaded packing specification if specified for qualification"],"relatedStandards":["iso-15848","api-607","api-609","api-6d"]},{"slug":"asme-b31-12","code":"ASME B31.12","fullTitle":"Hydrogen Piping and Pipelines","issuingBody":"American Society of Mechanical Engineers (ASME)","category":"design","valveTypes":["Ball Valves - full-bore, fugitive emission tested, fire-safe","Gate Valves - OS&Y, rising stem, Class 300–2500 for high pressure","Globe Valves - for flow control, bellows-seal for zero fugitive emissions","Check Valves - dual plate or lift type, hydrogen-rated trim","Needle Valves - for instrumentation and sampling lines"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Hydrostatic shell test: 1.5× design pressure, per ASME B16.34","Seat leakage test: per API 598 (Class A bubble-tight preferred for hydrogen)","Fugitive emission test: ISO 15848-1 Type Testing Class A (≤50 ppm methane equivalent)","Fire-safe type test: API 607 or API 6FA qualification","Low-temperature testing if cryogenic hydrogen (LH2) service"],"documentationRequired":["Material test reports (EN 10204 3.1 or 3.2) with confirmation of hydrogen service suitability","Hardness test results for all pressure-containing parts (≤22 HRC per NACE if specified)","API 607 fire-safe type test certificate","ISO 15848-1 fugitive emission type test certificate","Dimensional inspection report to applicable dimensional standard (ASME B16.34, API 6D)"],"relatedStandards":["iso-15848","api-607","api-6d","nace-mr0175","asme-b31-3"]},{"slug":"mss-sp-75","code":"MSS SP-75","fullTitle":"Specification for High-Test Wrought Butt-Welding Fittings","issuingBody":"Manufacturers Standardization Society (MSS)","category":"design","valveTypes":["Butt-weld end (BW) ball valves - API 6D pipeline valves with BW ends must match MSS SP-75 fitting bores","Butt-weld end gate valves - flanged or BW end pipeline gate valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Hydrostatic test of fitting body per ASME B16.9 (for shaped fittings) or per manufacturer's procedure","Radiographic examination of girth welds in fittings","Impact testing per ASTM A420 for low-temperature fittings (Charpy V-notch at -46°C for WPL6)","Hardness testing for sour-service NACE MR0175 compliance where applicable"],"documentationRequired":["Material Test Reports (MTRs) per EN 10204 3.1 or ASTM","NDE (radiography) reports for welded fittings","Impact test results for low-temperature grades (WPL6)","Dimensional inspection certification"],"relatedStandards":["api-6d","asme-b16-25","asme-b31-4","asme-b31-8"]},{"slug":"api-599","code":"API 599","fullTitle":"Metal Plug Valves - Flanged, Threaded and Welding End","issuingBody":"American Petroleum Institute (API)","category":"design","valveTypes":["Plug Valves - lubricated (WCB, WC6)","Plug Valves - non-lubricated (CF8M, CF3M)","Eccentric plug valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600"],"testingRequirements":["Shell hydrostatic test: 1.5× rated pressure, zero external leakage","Seat leakage test: 1.1× rated pressure per API 598 Class IV or VI"],"documentationRequired":["Material test certificates (EN 10204 3.1 or 3.2) for all pressure-containing parts","Hydrostatic shell test report","Seat leakage test certificate"],"relatedStandards":["api-598","asme-b16-34","asme-b31-3"]},{"slug":"iso-15848-1","code":"ISO 15848-1","fullTitle":"Industrial Valves - Measurement, Test and Qualification Procedures for Fugitive Emissions - Part 1","issuingBody":"International Organization for Standardization (ISO)","category":"testing","valveTypes":["Ball Valves","Gate Valves","Globe Valves","Butterfly Valves","Plug Valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Helium leak test at rated class temperature and pressure","Minimum 210 mechanical cycles (CO1) or 2,500 cycles (CO2) before qualification","Tightness measurement using mass spectrometry or equivalent helium leak detector"],"documentationRequired":["ISO 15848-1 Type Test Certificate from accredited third-party laboratory","Tightness class (A/B/C), endurance class (CO1/CO2), and temperature class on certificate"],"relatedStandards":["api-607","api-641","asme-b16-34"]},{"slug":"en-12266","code":"EN 12266","fullTitle":"Industrial Valves - Testing of Metallic Valves (Parts 1 and 2)","issuingBody":"European Committee for Standardization (CEN)","category":"testing","valveTypes":["Gate Valves","Globe Valves","Ball Valves","Butterfly Valves","Check Valves"],"applicablePressureClasses":["PN 6","PN 10","PN 16","PN 25","PN 40","PN 63","PN 100","PN 160","PN 250","PN 420"],"testingRequirements":["EN 12266-1 shell and seat test with documented FAT report","CE marking attestation if PED-relevant"],"documentationRequired":["EN 12266 Factory Acceptance Test certificate","Declaration of Conformity (DoC) for PED compliance"],"relatedStandards":["api-598","iso-5208","asme-b16-34"]},{"slug":"api-622","code":"API 622","fullTitle":"API 622 - Type Testing of Process Valve Packing for Fugitive Emissions","issuingBody":"American Petroleum Institute (API)","category":"testing","valveTypes":["Gate Valves","Globe Valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500"],"testingRequirements":["1,500 thermal cycle helium leak test","Witnessed by independent third party"],"documentationRequired":["API 622 qualification certificate with packing manufacturer","Test report with cycle data and leak measurements"],"relatedStandards":["api-624","iso-15848-1","asme-b16-34","api-598"]},{"slug":"en-558","code":"EN 558","fullTitle":"EN 558 - Face-to-Face and Centre-to-Face Dimensions of Metal Valves for Use in Flanged Pipe Systems","issuingBody":"European Committee for Standardization (CEN)","category":"design","valveTypes":["Gate Valves","Globe Valves","Ball Valves","Butterfly Valves","Check Valves"],"applicablePressureClasses":["PN 6","PN 10","PN 16","PN 25","PN 40","PN 63","PN 100","PN 160","PN 250"],"testingRequirements":["Dimensional inspection per EN 558 table at time of manufacture"],"documentationRequired":["Dimensional inspection report confirming EN 558 series compliance"],"relatedStandards":["asme-b16-10","en-12266","asme-b16-34"]},{"slug":"iso-17292","code":"ISO 17292","fullTitle":"ISO 17292 - Metal Ball Valves for Petroleum, Petrochemical and Allied Industries","issuingBody":"International Organization for Standardization (ISO)","category":"design","valveTypes":["Ball Valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["Shell hydrostatic test 1.5× rated pressure","Seat test at rated pressure bidirectional","Optional fire test to ISO 10497"],"documentationRequired":["ISO 17292 compliance certificate","Hydrostatic test report","EN 10204 3.1 MTCs"],"relatedStandards":["api-6d","api-607","asme-b16-34"]},{"slug":"bs-6364","code":"BS 6364","fullTitle":"BS 6364 - Specification for Valves for Cryogenic Service","issuingBody":"British Standards Institution (BSI)","category":"design","valveTypes":["Gate Valves","Globe Valves","Ball Valves","Check Valves","Butterfly Valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900"],"testingRequirements":["Cold-shock test at -196°C","Seat leakage test at cryogenic temperature","Low-temperature Charpy impact test"],"documentationRequired":["BS 6364 compliance certificate","Cryogenic test report","Low-temperature impact test certificates"],"relatedStandards":["asme-b16-34","api-598","iso-5208"]},{"slug":"api-624","code":"API 624","fullTitle":"API 624 - Type Testing of Rising and Setting Stem Valves Equipped with Graphite Packing for Fugitive Emissions","issuingBody":"American Petroleum Institute (API)","category":"testing","valveTypes":["Gate Valves","Globe Valves"],"applicablePressureClasses":["Class 150","Class 300","Class 600","Class 900","Class 1500","Class 2500"],"testingRequirements":["1,500 thermal cycle helium leak test on complete valve assembly","ISO 21049 or ASME B16.34 dimensional compliance verification"],"documentationRequired":["API 624 type test certificate for valve model","Third-party witnessed test report"],"relatedStandards":["api-622","iso-15848-1","asme-b16-34","api-598"]}]}