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Almaty · Offshore & Subsea Applications

Valves for Offshore & Subsea Applications — Almaty

Almaty is Kazakhstan's financial and commercial capital and the primary private-sector procurement hub for Kazakhstan's oil, gas, and mining industries — Tengizchevroil (TCO, Chevron–ExxonMobil–KMG), Kashagan (North Caspian Operating Company), and Karachaganak (BG–ENI–Chevron–Lukoil) all have procurement offices or supply networks centred in Almaty; the 1,500 km CPC pipeline from Tengiz to Novorossiysk requires API 6D block valves; Vajra Industrial Solutions supplies API 6D Class 600–1500 sour-service ball valves (NACE MR0175), gate valves, and butterfly valves with complete CIS-compliant documentation for Almaty-based EPC contractors and KMG affiliates.

NORSOK M-630, API 17D, and DNV-certified Duplex/Super Duplex and Inconel valves for topside process, subsea wellhead, FPSO, and offshore platform applications.

NORSOK M-630API 6DAPI 17D (Subsea)DNV-ST-0119NACE MR0175 / ISO 15156
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API 6D Certified
ASME B16.34
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Offshore & Subsea Applications Valves — Available in Almaty

Trunnion Ball Valve (Duplex/Super Duplex)

Class 600 / 900 / 1500

Topside process isolation; pig launcher/receiver; manifold isolation; ESD on production headers

Materials: A890 Grade 5A (Super Duplex 2507) for seawater; A890 Grade 1B (Duplex 2205) for process  ·  Standards: API 6D, NORSOK M-630, API 6FA, ISO 14313
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Gate Valve (Inconel Overlay)

Class 2500 / API 10,000 psi / 15,000 psi

Subsea wellhead isolation, Xmas tree production master and swab valves

Materials: Inconel 625 weld overlay on WCB/F22 body; 17-4PH or Inconel 718 stem  ·  Standards: API 17D, API 6A, NORSOK M-630
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Butterfly Valve (NORSOK-compliant)

Class 150 / 300

Large-bore seawater cooling, firewater, and ballast water treatment isolation

Materials: Super Duplex 2507 disc and shaft; rubber-lined WCB body or full duplex  ·  Standards: API 609, NORSOK M-630, DNVGL-RP-0034
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Check Valve (Duplex)

Class 600 / 900

Production header, gas lift, and chemical injection back-flow prevention

Materials: A890 Grade 1B Duplex 2205; Inconel 625 spring for H₂S service  ·  Standards: API 6D, API 594, NORSOK M-630
View Check Valve (Duplex) options for Almaty →

Offshore & Subsea Applications Industry in Almaty

Almaty is Kazakhstan's financial and commercial capital and the primary private-sector procurement hub for Kazakhstan's oil, gas, and mining industries — Tengizchevroil (TCO, Chevron–ExxonMobil–KMG), Kashagan (North Caspian Operating Company), and Karachaganak (BG–ENI–Chevron–Lukoil) all have procurement offices or supply networks centred in Almaty; the 1,500 km CPC pipeline from Tengiz to Novorossiysk requires API 6D block valves; Vajra Industrial Solutions supplies API 6D Class 600–1500 sour-service ball valves (NACE MR0175), gate valves, and butterfly valves with complete CIS-compliant documentation for Almaty-based EPC contractors and KMG affiliates.

Oil & Gas (KazMunayGas)Mining & MetalsChemical & FertilizerPower GenerationEPC & Engineering

Critical Valve Requirements

NACE MR0175 / ISO 15156 compliance for all sour service valves — H₂S partial pressure thresholds define material selection
NORSOK M-630 material qualification — specific hardness limits and chemical composition requirements beyond NACE
Fire-safe design per ISO 10497 for all production valves — metal-to-metal seat backup required in tropical and North Sea environments
SIL 2 or SIL 3 certification for ESD valves — IEC 61508/61511 failure mode and diagnostics documentation required
Cathodic protection compatibility — valves in splash zone or submerged must be compatible with CP system (sacrificial anodes/ICCP)
DNV or Lloyd's Register third-party type approval for safety-critical offshore valves

Why Almaty's Oil & Gas (KazMunayGas) Sector Needs Offshore & Subsea Applications Valves

Almaty is Kazakhstan's financial and commercial capital and the primary private-sector procurement hub for Kazakhstan's oil, gas, and mining industries — Tengizchevroil (TCO, Chevron–ExxonMobil–KMG), Kashagan (North Caspian Operating Company), and Karachaganak (BG–ENI–Chevron–Lukoil) all have procurement offices or supply networks centred in Almaty; the 1,500 km CPC pipeline from Tengiz to Novorossiysk requires API 6D block valves; Vajra Industrial Solutions supplies API 6D Class 600–1500 sour-service ball valves (NACE MR0175), gate valves, and butterfly valves with complete CIS-compliant documentation for Almaty-based EPC contractors and KMG affiliates. Key facilities in the Almaty area — including KazMunayGas (KMG) HQ (Nur-Sultan/Astana), regional office Almaty, Tengizchevroil (TCO) field supply chain, KazMunaiGas Tengiz–Novorossiysk (CPC Pipeline) — rely on Trunnion Ball Valve (Duplex/Super Duplex) for their chemical & fertilizer operations. Vajra Industrial Solutions supplies Trunnion Ball Valve (Duplex/Super Duplex), Gate Valve (Inconel Overlay), Butterfly Valve (NORSOK-compliant), Check Valve (Duplex) for offshore & subsea applications projects across Almaty Region, with full NORSOK M-630 and API 6D 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 Almaty

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

Also serving: KazMunayGas (KMG) HQ (Nur-Sultan/Astana), regional office Almaty, Tengizchevroil (TCO) field supply chain, KazMunaiGas Tengiz–Novorossiysk (CPC Pipeline), Kazakhmys copper operations (Balkhash), Atyrau Refinery (KMG) procurement

FAQ — Offshore & Subsea Applications Valves in Almaty

Do you supply offshore & subsea applications valves in Almaty?
Yes. Vajra Industrial Solutions supplies Trunnion Ball Valve (Duplex/Super Duplex), Gate Valve (Inconel Overlay), Butterfly Valve (NORSOK-compliant), Check Valve (Duplex) for offshore & subsea applications applications in Almaty, Almaty Region. Almaty is Kazakhstan's financial and commercial capital and the primary private-sector procurement hub for Kazakhstan's oil, gas, and mining industries — Tengizchevroil (TCO, Chevron–ExxonMobil–KMG), Kashagan (North Caspian Operating Company), and Karachaganak (BG–ENI–Chevron–Lukoil) all have procurement offices or supply networks centred in Almaty; the 1,500 km CPC pipeline from Tengiz to Novorossiysk requires API 6D block valves; Vajra Industrial Solutions supplies API 6D Class 600–1500 sour-service ball valves (NACE MR0175), gate valves, and butterfly valves with complete CIS-compliant documentation for Almaty-based EPC contractors and KMG affiliates. We offer export documentation and delivery to Almaty in 7–14 business days with full documentation and third-party inspection.
What certifications are required for offshore & subsea applications valves in Almaty?
For offshore & subsea applications in Almaty, the applicable standards are: NORSOK M-630, API 6D, API 17D (Subsea), DNV-ST-0119, NACE MR0175 / ISO 15156, ISO 10497 (Fire Test), SIL 2/3 per IEC 61511, API 6FA. 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 offshore & subsea applications valves to Almaty?
Standard stock sizes: export documentation and delivery to Almaty 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.
What is NORSOK M-630 and when does it apply?
NORSOK M-630 is the Norwegian standard for Material Data Sheets and Element Data Sheets for Piping Systems, widely used on North Sea offshore installations and increasingly adopted globally by Equinor, Aker BP, and TotalEnergies Norway. It specifies tighter chemical composition limits, hardness caps, and impact testing requirements beyond ASME or API minimum requirements — particularly for duplex stainless steel and carbon steel in sour service. It is mandatory for Equinor-operated platforms and most Norwegian Petroleum Directorate (NPD) licensed fields.
What duplex grade should I specify for offshore seawater service?
For seawater service (cooling, ballast, firewater), specify Super Duplex 2507 (UNS S32750, ASTM A890 Grade 5A) with PREN (Pitting Resistance Equivalent Number) ≥ 40. Standard Duplex 2205 (PREN ≈ 35) is susceptible to crevice corrosion in stagnant seawater above 22°C. For process fluids containing produced water (lower chloride than seawater), Duplex 2205 is usually sufficient. Carbon steel with internal lining is not recommended for offshore seawater — maintenance access is extremely costly offshore.

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Offshore & Subsea Applications Valves — Almaty

Send your specification — quote within 24 hours with full documentation.

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Standards

NORSOK M-630
API 6D
API 17D (Subsea)
DNV-ST-0119
NACE MR0175 / ISO 15156
ISO 10497 (Fire Test)
SIL 2/3 per IEC 61511
API 6FA

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