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Sohar Port · Marine & Offshore Service

Valves for Marine & Offshore Service - Sohar Port

Sohar Port and Freezone is Oman's most rapidly growing industrial hub - the 4,500-hectare integrated port and industrial zone hosts OQ's Sohar Refinery (116,000 bpd crude processing, producing naphtha, diesel, kerosene, LPG, and fuel oil, requiring ASME B16.34 process valves, API 600 gate valves, and API 598-tested butterfly valves for CDU, reformer, and LPG treating units), OQ Chemicals (methanol, polypropylene, and paraxylene complex requiring ASME B16.34 Class 150-600 valves for methanol synthesis, PP polymerisation, and aromatics processing), Oman Copper (smelter and refinery requiring rubber-lined butterfly valves and SS 316 slurry valves for copper concentrate slurry and acid plant circuits), Vale Sohar Fertiliser (880,000 tonnes/year urea - requiring ASME B16.34 globe valves, gate valves, and safety relief valves for ammonia synthesis, CO2 removal, urea synthesis, and prilling circuits), and Jindal Shadeed Iron and Steel (India's Jindal Group - 3.5 million tonne/year DRI and steel mill requiring high-temperature gate valves, steam safety valves, and cooling water butterfly valves); Sohar's valve requirements follow Oman national procurement standard OPAL (Oil and Gas Producers Alliance) combined with international API, ASME, and NORSOK standards for PDO and OQ projects; Vajra Industrial Solutions supplies Sohar Port industrial zone procurement teams and EPC contractors with API 6D, ASME B16.34, and NACE MR0175-compliant industrial valve packages with full export documentation for Oman customs.

Trunnion ball valves, butterfly valves and gate valves in Super Duplex (F53) and Duplex (F51) for FPSO, offshore topsides, subsea wellheads, and marine seawater service.

API 6DNORSOK M-710 (Elastomer qualification)DNV-OS-D101 (Marine systems)Lloyd's RegisterNACE MR0175 / ISO 15156
API 6D Certified
ASME B16.34
ISO 9001:2015
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Marine & Offshore Service Valves - Available in Sohar Port

Trunnion Ball Valve (Super Duplex)

Class 150 / 300 / 600 / 900 / 1500

Full-bore isolation for seawater injection, produced water, and topside process - maximum corrosion resistance in high-chloride environments

Materials: Super Duplex UNS S32750 (F53), Duplex UNS S31803 (F51), Inconel 625 overlay for severe service  ·  Standards: API 6D, API 6FA, NACE MR0175, NORSOK M-710
View Trunnion Ball Valve (Super Duplex) options for Sohar Port

Butterfly Valve (Duplex / Super Duplex)

PN 10 / PN 16 / Class 150 / 300

Seawater cooling and ballast system isolation on FPSOs and offshore platforms - wafer or double-flanged, high-chloride resistant

Materials: Duplex UNS S31803 body, Super Duplex disc for seawater, EPDM or PTFE seat  ·  Standards: API 609, EN 593, DNV-OS-D101
View Butterfly Valve (Duplex / Super Duplex) options for Sohar Port

Gate Valve (Slab / Expanding, Offshore Spec)

Class 600 / 900 / 1500 / 2500

Through-conduit full-bore isolation for subsea wellhead and riser systems with pigging requirements

Materials: A182 F51 Duplex, A182 F53 Super Duplex, Inconel 625 overlay hard-facing  ·  Standards: API 6D, NACE MR0175, ISO 14313
View Gate Valve (Slab / Expanding, Offshore Spec) options for Sohar Port

Swing / Tilting Disc Check Valve (Marine Grade)

Class 150 / 300 / 600

Non-return valve on seawater lift pumps, ballast systems, and produced water injection

Materials: Super Duplex UNS S32750, Duplex UNS S31803, bronze for low-pressure seawater service  ·  Standards: API 6D, DNV-OS-D101, NACE MR0175
View Swing / Tilting Disc Check Valve (Marine Grade) options for Sohar Port

Marine & Offshore Service Industry in Sohar Port

Sohar Port and Freezone is Oman's most rapidly growing industrial hub - the 4,500-hectare integrated port and industrial zone hosts OQ's Sohar Refinery (116,000 bpd crude processing, producing naphtha, diesel, kerosene, LPG, and fuel oil, requiring ASME B16.34 process valves, API 600 gate valves, and API 598-tested butterfly valves for CDU, reformer, and LPG treating units), OQ Chemicals (methanol, polypropylene, and paraxylene complex requiring ASME B16.34 Class 150-600 valves for methanol synthesis, PP polymerisation, and aromatics processing), Oman Copper (smelter and refinery requiring rubber-lined butterfly valves and SS 316 slurry valves for copper concentrate slurry and acid plant circuits), Vale Sohar Fertiliser (880,000 tonnes/year urea - requiring ASME B16.34 globe valves, gate valves, and safety relief valves for ammonia synthesis, CO2 removal, urea synthesis, and prilling circuits), and Jindal Shadeed Iron and Steel (India's Jindal Group - 3.5 million tonne/year DRI and steel mill requiring high-temperature gate valves, steam safety valves, and cooling water butterfly valves); Sohar's valve requirements follow Oman national procurement standard OPAL (Oil and Gas Producers Alliance) combined with international API, ASME, and NORSOK standards for PDO and OQ projects; Vajra Industrial Solutions supplies Sohar Port industrial zone procurement teams and EPC contractors with API 6D, ASME B16.34, and NACE MR0175-compliant industrial valve packages with full export documentation for Oman customs.

Oil Refining (OQ - Sohar Refinery, 116,000 bpd)Petrochemicals (OQ Chemicals - methanol, polypropylene, ammonia)Copper Smelting (Oman Copper - OQ, 325,000 tonnes/year)Fertilisers (Vale Sohar fertiliser complex - 880,000 t/yr urea)Steel (Jindal Shadeed Iron and Steel - 3.5 million tonnes/year)Offshore Fabrication & Marine (Oman Drydock nearby Duqm, Port of Sohar logistics)

Critical Valve Requirements

Super Duplex (UNS S32750/S32760) or Duplex (UNS S31803) for all seawater-wetted surfaces - PREN ≥40 for super duplex
NORSOK M-710 elastomer qualification testing for FPSO and North Sea applications
NACE MR0175 / ISO 15156 compliance for sour (H₂S-containing) produced fluids
DNV-OS-D101 or Lloyd's Register certification for marine system valves
API 607 fire-safe design for hydrocarbon-carrying valves on offshore topsides
Cathodic protection compatibility - valves on submerged structures require galvanic compatibility
Impressed current cathodic protection (ICCP) isolation: electrically isolating flanges where required
Full documentation pack: EN 10204 3.2 material certs, PMI, charpy impact, hardness survey

Why Sohar Port's Oil Refining (OQ - Sohar Refinery, 116,000 bpd) Sector Needs Marine & Offshore Service Valves

Sohar Port and Freezone is Oman's most rapidly growing industrial hub - the 4,500-hectare integrated port and industrial zone hosts OQ's Sohar Refinery (116,000 bpd crude processing, producing naphtha, diesel, kerosene, LPG, and fuel oil, requiring ASME B16.34 process valves, API 600 gate valves, and API 598-tested butterfly valves for CDU, reformer, and LPG treating units), OQ Chemicals (methanol, polypropylene, and paraxylene complex requiring ASME B16.34 Class 150-600 valves for methanol synthesis, PP polymerisation, and aromatics processing), Oman Copper (smelter and refinery requiring rubber-lined butterfly valves and SS 316 slurry valves for copper concentrate slurry and acid plant circuits), Vale Sohar Fertiliser (880,000 tonnes/year urea - requiring ASME B16.34 globe valves, gate valves, and safety relief valves for ammonia synthesis, CO2 removal, urea synthesis, and prilling circuits), and Jindal Shadeed Iron and Steel (India's Jindal Group - 3.5 million tonne/year DRI and steel mill requiring high-temperature gate valves, steam safety valves, and cooling water butterfly valves); Sohar's valve requirements follow Oman national procurement standard OPAL (Oil and Gas Producers Alliance) combined with international API, ASME, and NORSOK standards for PDO and OQ projects; Vajra Industrial Solutions supplies Sohar Port industrial zone procurement teams and EPC contractors with API 6D, ASME B16.34, and NACE MR0175-compliant industrial valve packages with full export documentation for Oman customs. Key facilities in the Sohar Port area - including OQ Sohar Refinery (116,000 bpd, naphtha, diesel, LPG - integrated with Sohar Port), OQ Chemicals Methanol Plant (Sohar Port - 1,000 tonnes/day methanol), Oman Copper (OQ minority stake - Sohar copper smelter, 325,000 t/yr) - rely on Trunnion Ball Valve (Super Duplex) for their oil refining (oq - sohar refinery, 116,000 bpd) operations. Vajra Industrial Solutions supplies Trunnion Ball Valve (Super Duplex), Butterfly Valve (Duplex / Super Duplex), Gate Valve (Slab / Expanding, Offshore Spec), Swing / Tilting Disc Check Valve (Marine Grade) for marine & offshore service projects across Al Batinah North Governorate, with full API 6D and NORSOK M-710 (Elastomer qualification) compliance documentation - EN 10204 3.1 material test certificates, API 598 pressure test reports, and third-party inspection co-ordination available for every order.

Delivery to Sohar Port

Vajra Industrial Solutions offers export documentation and delivery to Sohar Port in 7–14 business days. Emergency dispatch available for plant shutdowns and critical site requirements.

Also serving: OQ Sohar Refinery (116,000 bpd, naphtha, diesel, LPG - integrated with Sohar Port), OQ Chemicals Methanol Plant (Sohar Port - 1,000 tonnes/day methanol), Oman Copper (OQ minority stake - Sohar copper smelter, 325,000 t/yr), Vale Sohar (urea fertiliser, 880,000 t/yr - Oman-Vale partnership), Jindal Shadeed Iron and Steel (3.5 Mtpa DRI and steel, Sohar Port)

FAQ - Marine & Offshore Service Valves in Sohar Port

Do you supply marine & offshore service valves in Sohar Port?
Yes. Vajra Industrial Solutions supplies Trunnion Ball Valve (Super Duplex), Butterfly Valve (Duplex / Super Duplex), Gate Valve (Slab / Expanding, Offshore Spec), Swing / Tilting Disc Check Valve (Marine Grade) for marine & offshore service applications in Sohar Port, Al Batinah North Governorate. Sohar Port and Freezone is Oman's most rapidly growing industrial hub - the 4,500-hectare integrated port and industrial zone hosts OQ's Sohar Refinery (116,000 bpd crude processing, producing naphtha, diesel, kerosene, LPG, and fuel oil, requiring ASME B16.34 process valves, API 600 gate valves, and API 598-tested butterfly valves for CDU, reformer, and LPG treating units), OQ Chemicals (methanol, polypropylene, and paraxylene complex requiring ASME B16.34 Class 150-600 valves for methanol synthesis, PP polymerisation, and aromatics processing), Oman Copper (smelter and refinery requiring rubber-lined butterfly valves and SS 316 slurry valves for copper concentrate slurry and acid plant circuits), Vale Sohar Fertiliser (880,000 tonnes/year urea - requiring ASME B16.34 globe valves, gate valves, and safety relief valves for ammonia synthesis, CO2 removal, urea synthesis, and prilling circuits), and Jindal Shadeed Iron and Steel (India's Jindal Group - 3.5 million tonne/year DRI and steel mill requiring high-temperature gate valves, steam safety valves, and cooling water butterfly valves); Sohar's valve requirements follow Oman national procurement standard OPAL (Oil and Gas Producers Alliance) combined with international API, ASME, and NORSOK standards for PDO and OQ projects; Vajra Industrial Solutions supplies Sohar Port industrial zone procurement teams and EPC contractors with API 6D, ASME B16.34, and NACE MR0175-compliant industrial valve packages with full export documentation for Oman customs. We offer export documentation and delivery to Sohar Port in 7–14 business days with full documentation and third-party inspection.
What certifications are required for marine & offshore service valves in Sohar Port?
For marine & offshore service in Sohar Port, the applicable standards are: API 6D, NORSOK M-710 (Elastomer qualification), DNV-OS-D101 (Marine systems), Lloyd's Register, NACE MR0175 / ISO 15156, API 607 (Fire test), ASME B16.34, ISO 14313. All valves are supplied with full documentation including material test reports (EN 10204 3.1/3.2), pressure test certificates, and dimensional inspection reports. Third-party inspection (TPI) by EIL, Bureau Veritas, Lloyd's Register, or the client's nominated inspector can be arranged.
What is the delivery time for marine & offshore service valves to Sohar Port?
Standard stock sizes: export documentation and delivery to Sohar Port in 7–14 business days. Custom sizes and special materials (Duplex, Hastelloy, P91): 4–8 weeks manufacturing lead time. Express dispatch available for urgent site requirements. Contact us at +91-9979774557 or sales@vajravyuh.com with your specification and required delivery date.
Why is standard SS 316 not suitable for offshore seawater service?
Stainless steel SS 316 (UNS S31600) has a PREN (Pitting Resistance Equivalent Number) of approximately 25, which is insufficient to resist pitting and crevice corrosion in seawater (chloride concentrations 18,000–35,000 ppm). Localised pitting can initiate within weeks in warm seawater. Duplex stainless (UNS S31803, PREN ~35) and Super Duplex (UNS S32750, PREN ~42) provide the corrosion resistance needed for continuous seawater service. For subsea and injection applications, Super Duplex is typically specified.
What is NORSOK M-710 and why does it matter for offshore valves?
NORSOK M-710 is a Norwegian offshore standard specifying qualification testing for non-metallic sealing materials (elastomers and thermoplastics) used in valves and other equipment on offshore installations, particularly on the Norwegian Continental Shelf. It tests resistance to high-pressure gas decompression, chemical resistance to hydrocarbons, and sour gas exposure. NORSOK M-710 qualification is required by most operators on the Norwegian Continental Shelf and is increasingly specified globally for FPSO and offshore topsides applications.

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Marine & Offshore Service Valves - Sohar Port

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Standards

API 6D
NORSOK M-710 (Elastomer qualification)
DNV-OS-D101 (Marine systems)
Lloyd's Register
NACE MR0175 / ISO 15156
API 607 (Fire test)
ASME B16.34
ISO 14313