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Valve Inspection Checklist
API 598 Factory Acceptance & Receiving Inspection — Print or save as PDF
Vajra Industrial Solutions
VALVE INSPECTION CHECKLIST
Factory Acceptance Test (FAT) & Goods Receiving Inspection | Per API 598 / ASME B16.34
Doc: VIS-INS-002 Rev.01
Inspector: _______________
Date: ___________________
PO No.: _________________
Tag Nos.: ________________
Manufacturer:
Valve Type:
Serial No.:
Status key:P = PassF = FailN/A = Not ApplicableW = Witness pointH = Hold point
1. DOCUMENTATION REVIEW
Verify before physical inspection| # | Inspection Item | Reference | Status | Remarks |
|---|---|---|---|---|
| 1 | Purchase Order / Tag list received and matches valve schedule | PO | ||
| 2 | EN 10204 3.1 Mill Test Certificates (MTC) for all pressure-containing parts | EN 10204 | ||
| 3 | MTC composition / heat number traceable to valve body markings | EN 10204 §4.3 | ||
| 4 | API 598 Hydrostatic Test Certificate with actual test pressures and durations | API 598 | ||
| 5 | Dimensional Inspection Report signed by QC | ASME B16.34 | ||
| 6 | Positive Material Identification (PMI) report if specified | Project Spec | ||
| 7 | Charpy Impact Test Report if low-temperature service | ASME B16.34 / API 6D | ||
| 8 | Fire Test Certificate if API 607 required | API 607 | ||
| 9 | Fugitive Emission Test Certificate if ISO 15848 required | ISO 15848-1 | ||
| 10 | IBR Form III-C / III-E if steam service | IBR 1950 | ||
| 11 | Certificate of Origin | Commercial | ||
| 12 | Manufacturer's Datasheet matches PO specification | Project Spec | ||
| 13 | Packing List matches delivery — quantity, tags, sizes | PO |
2. VISUAL & DIMENSIONAL INSPECTION
ASME B16.34 / API 598 / ISO 5208| # | Inspection Item | Reference | Status | Remarks |
|---|---|---|---|---|
| 1 | No visible casting defects: cracks, laps, cold shuts, porosity on body/bonnet | MSS SP-55 | ||
| 2 | No mechanical damage from transport: dents, nicks on seating surfaces | Visual | ||
| 3 | Flange face condition: no radial scratches on RF, no damage on RTJ groove | ASME B16.5 | ||
| 4 | Bore size within tolerance — verify with calipers for NPS specified | ASME B16.10 | ||
| 5 | Face-to-face (F2F) dimension within ±1.5 mm of ASME B16.10 tabulated value | ASME B16.10 | ||
| 6 | Flange bolt hole circle, number of bolts, and bolt hole diameter correct | ASME B16.5 | ||
| 7 | End connection facing (RF/RTJ/FF) matches PO requirement | ASME B16.5 | ||
| 8 | Stem packing area clean; no scoring on stem surface | Visual | ||
| 9 | Handwheel / operator intact; direction of operation clearly marked (OPEN arrow) | ASME B16.34 | ||
| 10 | Body and bonnet bolting material matches MTC (A193 B7, B8M, etc.) | ASTM A193 | ||
| 11 | Body/bonnet gasket material matches specification (SW / Kammprofile / PTFE) | Project Spec |
3. MARKING VERIFICATION
ASME B16.34 §6.1 / MSS SP-25| # | Inspection Item | Reference | Status | Remarks |
|---|---|---|---|---|
| 1 | Body marking: manufacturer name / logo present | ASME B16.34 §6.1 | ||
| 2 | Body marking: material grade (e.g. WCB, CF8M) cast or stamped | ASME B16.34 | ||
| 3 | Body marking: pressure class (e.g. CL 300) cast or stamped | ASME B16.34 | ||
| 4 | Body marking: NPS (nominal pipe size) cast or stamped | ASME B16.34 | ||
| 5 | Body marking: heat / melt number traceable to MTC | EN 10204 3.1 | ||
| 6 | Body marking: ASME B16.34 designation present if applicable | ASME B16.34 | ||
| 7 | Body marking: API monogram if API 6D / 600 / 602 / 609 required | API | ||
| 8 | Trim / seat material marked or documented on nameplate | MSS SP-25 | ||
| 9 | Tag number / serial number matches packing list | PO |
4. HYDROSTATIC SHELL TEST
API 598 §4.2 / ASME B16.34 §8.1| # | Inspection Item | Reference | Status | Remarks |
|---|---|---|---|---|
| 1 | Shell test pressure = 1.5× CWP at 38°C (per ASME B16.34 pressure-temperature table) | API 598 Table 3 | ||
| 2 | Shell test duration: NPS ≤ 2" → 30 sec minimum; NPS 2.5"–6" → 60 sec; NPS 8"+ → 120 sec | API 598 Table 2 | ||
| 3 | Test medium: water (or kerosene for corrosion-sensitive). Temperature 5–52°C | API 598 §4.1 | ||
| 4 | No visible leakage from body, bonnet joints, or gland during hold period | API 598 §5.1 | ||
| 5 | Packing adjusted to prevent leakage; not over-tightened | Best Practice | ||
| 6 | Shell test certificate records: test pressure, duration, result (PASS / FAIL) | API 598 |
5. SEAT LEAKAGE TEST
API 598 §4.3 / ISO 5208| # | Inspection Item | Reference | Status | Remarks |
|---|---|---|---|---|
| 1 | Closure test pressure = CWP at 38°C (or 1.1× design as per project spec) | API 598 §4.3 | ||
| 2 | Soft-seat isolation (ball, butterfly, gate w/ resilient seat): Rate A — zero measurable leakage | ISO 5208 Rate A | ||
| 3 | Metal-seat isolation (gate, globe, check): Rate D — 0.3× NPS mm³/s maximum | ISO 5208 Rate D | ||
| 4 | Low-pressure closure test (5.5 bar g air) conducted if specified — bubble count per NPS | API 598 §4.3.2 | ||
| 5 | Bidirectional seat test performed if double-block-and-bleed or bidirectional valve | API 6D §10.3 | ||
| 6 | Seat test certificate records: test pressure, medium, duration, leakage rate, result | API 598 |
6. OPERATIONAL TESTING
API 598 / Project Spec| # | Inspection Item | Reference | Status | Remarks |
|---|---|---|---|---|
| 1 | Manual operation: valve opens and closes smoothly with no binding or excessive torque | Visual / Torque | ||
| 2 | Gate valve: stem rises visibly when opening (OS&Y) — correct direction (CCW to open) | ASME B16.34 | ||
| 3 | Ball valve: 90° quarter-turn from full-open to full-closed with no over-travel | API 6D | ||
| 4 | Butterfly valve: disc centred in line bore; seat not damaged in open position | API 609 | ||
| 5 | Check valve: disc/flapper swings freely with no restriction or rattle | API 594 | ||
| 6 | For actuated valves: actuator strokes full open-close at rated supply pressure | Project Spec | ||
| 7 | Limit switches (if fitted): correct open/closed position signals verified | Project Spec | ||
| 8 | Positioner (if fitted): calibrated, span and zero set, response tested | ISA 75.13 | ||
| 9 | Solenoid valves (if fitted): energise/de-energise function correct for fail position | Project Spec |
7. FINAL ACCEPTANCE & PACKAGING
| # | Inspection Item | Reference | Status | Remarks |
|---|---|---|---|---|
| 1 | Flange end protectors / bore plugs fitted before packing | Visual | ||
| 2 | All exposed machined surfaces coated with rust preventative | Best Practice | ||
| 3 | Valve packed in wooden crate or wrapped securely; no loose parts | Shipping Req. | ||
| 4 | Packing list attached to crate; tag numbers visible on outside of crate | PO | ||
| 5 | All documentation package placed in sealed plastic bag inside crate | Best Practice | ||
| 6 | Valve position for transit: gate/globe — closed; ball — slightly open (mid position) | Mfr. Rec. |
8. INSPECTION SIGN-OFF
Inspector / QC Engineer
Name:
Signature:
Date:
Company:
Buyer's Representative
Name:
Signature:
Date:
Company:
Third-Party Inspector (if applicable)
Name:
Signature:
Date:
Company:
OVERALL RESULT
OPEN ITEMS (if any)
VIS-INS-002 Rev.01 — Vajra Industrial Solutions — www.vajravyuh.comPage 1 of 1
Key Standards Referenced
API 598 — Valve Inspection & Testing
ASME B16.34 — Valves — Flanged, Threaded & Welding End
ISO 5208 — Seat Leakage Test Rates
API 6D — Pipeline Valves
EN 10204 — Material Traceability Certificates
API 607 — Fire Testing of Quarter-Turn Valves