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Tema · Marine & Offshore Service

Valves for Marine & Offshore Service - Tema

Tema is Ghana's premier industrial and port city, anchored by the Tema Oil Refinery (TOR) and the new Sentuo Oil Refinery, the country's largest seaport, the VALCO aluminium smelter, the Tema thermal power enclave, and a dense food, beverage, and manufacturing belt across the Tema Industrial Area; valve demand spans refining and utilities - API 600 gate and globe valves, API 526 safety-relief valves, and fire-safe API 607 valves for the refineries and product terminals, API 6D ball valves for crude and refined-product transfer and tank-farm manifolds, ASME B16.34 gate and globe valves for power-plant steam and feedwater, and bronze and ductile-iron valves for the port, water, and food-processing utilities; refinery service requires NACE compliance for sour streams and EN 10204 3.1 MTCs; Vajra Industrial Solutions supplies Tema refining, power, port, and manufacturing buyers with API-certified, fire-safe, and utility valve packages with full export documentation and fast delivery to Ghana and West Africa.

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
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API 6D Certified
ASME B16.34
ISO 9001:2015
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Marine & Offshore Service Valves - Available in Tema

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 Tema →

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
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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 Tema →

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 Tema →

Marine & Offshore Service Industry in Tema

Tema is Ghana's premier industrial and port city, anchored by the Tema Oil Refinery (TOR) and the new Sentuo Oil Refinery, the country's largest seaport, the VALCO aluminium smelter, the Tema thermal power enclave, and a dense food, beverage, and manufacturing belt across the Tema Industrial Area; valve demand spans refining and utilities - API 600 gate and globe valves, API 526 safety-relief valves, and fire-safe API 607 valves for the refineries and product terminals, API 6D ball valves for crude and refined-product transfer and tank-farm manifolds, ASME B16.34 gate and globe valves for power-plant steam and feedwater, and bronze and ductile-iron valves for the port, water, and food-processing utilities; refinery service requires NACE compliance for sour streams and EN 10204 3.1 MTCs; Vajra Industrial Solutions supplies Tema refining, power, port, and manufacturing buyers with API-certified, fire-safe, and utility valve packages with full export documentation and fast delivery to Ghana and West Africa.

Oil Refining (Tema Oil Refinery - TOR, Sentuo Oil Refinery)Ports & Logistics (Tema Port - Ghana's largest)Aluminium (VALCO smelter)Food & Beverage ProcessingPower Generation (Tema thermal plants)

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 Tema's Oil Refining (Tema Oil Refinery - TOR, Sentuo Oil Refinery) Sector Needs Marine & Offshore Service Valves

Tema is Ghana's premier industrial and port city, anchored by the Tema Oil Refinery (TOR) and the new Sentuo Oil Refinery, the country's largest seaport, the VALCO aluminium smelter, the Tema thermal power enclave, and a dense food, beverage, and manufacturing belt across the Tema Industrial Area; valve demand spans refining and utilities - API 600 gate and globe valves, API 526 safety-relief valves, and fire-safe API 607 valves for the refineries and product terminals, API 6D ball valves for crude and refined-product transfer and tank-farm manifolds, ASME B16.34 gate and globe valves for power-plant steam and feedwater, and bronze and ductile-iron valves for the port, water, and food-processing utilities; refinery service requires NACE compliance for sour streams and EN 10204 3.1 MTCs; Vajra Industrial Solutions supplies Tema refining, power, port, and manufacturing buyers with API-certified, fire-safe, and utility valve packages with full export documentation and fast delivery to Ghana and West Africa. Key facilities in the Tema area - including Tema Oil Refinery (TOR), Tema Industrial Area Sectors, Tema Port and free zone - rely on Trunnion Ball Valve (Super Duplex) for their oil refining (tema oil refinery - tor, sentuo oil refinery) 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 Greater Accra, 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 Tema

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

Also serving: Tema Oil Refinery (TOR), Tema Industrial Area Sectors, Tema Port and free zone, Accra (25 km)

FAQ - Marine & Offshore Service Valves in Tema

Do you supply marine & offshore service valves in Tema?
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 Tema, Greater Accra. Tema is Ghana's premier industrial and port city, anchored by the Tema Oil Refinery (TOR) and the new Sentuo Oil Refinery, the country's largest seaport, the VALCO aluminium smelter, the Tema thermal power enclave, and a dense food, beverage, and manufacturing belt across the Tema Industrial Area; valve demand spans refining and utilities - API 600 gate and globe valves, API 526 safety-relief valves, and fire-safe API 607 valves for the refineries and product terminals, API 6D ball valves for crude and refined-product transfer and tank-farm manifolds, ASME B16.34 gate and globe valves for power-plant steam and feedwater, and bronze and ductile-iron valves for the port, water, and food-processing utilities; refinery service requires NACE compliance for sour streams and EN 10204 3.1 MTCs; Vajra Industrial Solutions supplies Tema refining, power, port, and manufacturing buyers with API-certified, fire-safe, and utility valve packages with full export documentation and fast delivery to Ghana and West Africa. We offer export documentation and delivery to Tema in 7–14 business days with full documentation and third-party inspection.
What certifications are required for marine & offshore service valves in Tema?
For marine & offshore service in Tema, 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 Tema?
Standard stock sizes: export documentation and delivery to Tema 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.

Other Application Guides for Tema

Oil & Gas PipelinesPharmaceutical & Biotech (Cleanroom / Hygienic)LNG & Cryogenic ServiceWater Treatment & DesalinationRefinery & Petrochemical ProcessPower Generation (Thermal, Gas, Hydro)Mining & Mineral ProcessingHVAC & Building ServicesChemical & Petrochemical ProcessingHygienic Food & Beverage ProcessingHydrogen & Clean Energy ServiceDesalination & High-Purity WaterPulp & Paper IndustryAmmonia & Fertiliser PlantsNuclear Power PlantsOffshore & Subsea ApplicationsCoke Oven & Steel PlantsEthylene Crackers & Olefin PlantsChlor-Alkali PlantsSugar & Ethanol PlantsGeothermal Power PlantsAir Separation Units (ASU)Compressed Gas & CNG SystemsBiogas & Biomass PlantsCarbon Capture & Storage (CCS)Fire Protection SystemsShipbuilding & Marine RepairDistrict Heating & Cooling SystemsPharmaceutical & Biotechnology PlantsGlass, Ceramics & Refractory IndustriesTextile & Dyeing Plants

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Marine & Offshore Service Valves - Tema

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Request a Quote sales@vajravyuh.com +91 9979774557

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

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