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Help CenterMarine Plug Valve for Offshore Platforms - CB/T4159-2001 Standard
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As a specialized valve manufacturer since 2016, Shanghai Zhibang Valve delivers robust fluid control solutions for critical offshore environments. Our Marine Plug Valve, engineered to the stringent CB/T4159-2001 standard, ensures reliable isolation in high-pressure seawater, oil, and gas systems on platforms. With over $1 million in annual exports to global energy hubs, we understand the demands of marine operations.
Core Engineering & Advantages:
- Full-Bore Design: Minimizes pressure drop and allows pigging passage.
- Double-Block & Bleed: Provides positive sealing integrity for safety-critical applications.
- Lubrication System: PTFE-based seals reduce friction and prevent galling, extending service life.
- Fire-Safe Construction: Meets API 607 requirements (optional).
- Corrosion Defense: Electroless nickel plating or epoxy coating available for seawater resistance.
Technical Specifications:
| Size (DN) | Pressure Class | Body Material | Operation |
|---|---|---|---|
| 50 - 150 | 150, 300 | WCB / LCC | Gear / Lever |
| 200 - 300 | 150, 300 | WCB / LCC | Gear Operated |
Operators benefit from reduced maintenance cycles due to the hardened plug surface and replaceable sealant injection fittings. The valve’s compact footprint simplifies installation in space-constrained platform modules. All units undergo hydrostatic and shell tests per CB/T4159.
Trust & Global Reach:
Backed by ISO9001 certification and servicing North America, Europe, Asia, and offshore projects globally since 2016, Zhibang guarantees traceable quality. Our valves ship efficiently from Shanghai, Guangzhou, or Hong Kong ports. Request a material test report or discuss custom pressure ratings for your platform’s specific needs.
FAQ:
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Q: Why choose CB/T4159 over API 6D for marine use?
A: CB/T4159 is China's specialized standard for marine valves, addressing unique corrosion and operational demands of offshore platforms. -
Q: Is emergency seawater service supported?
A: Yes, with optional Ni-P plating or super duplex materials upon request. -
Q: What lubrication interval is recommended?
A: Typically every 6-12 months, depending on cycle frequency. Detailed manuals are provided. -
Q: Can you supply actuators?
A: Pneumatic, hydraulic, or electric actuators can be pre-mounted. -
Q: What’s the lead time for DN200 Class 300 valves?
A: Standard units ship in 45 days; expedited options available. -
Q: Do you offer on-site maintenance training?
A: Yes, technical support packages are customizable.
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