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Help CenterZhibang Valve Marine Gate Valve For FPSO 100% NDT Tested Mill Test Report Provided With Warranty
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As a professional valve manufacturer with a strong foothold in the global marine and offshore industry, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our specialized Marine Gate Valve for FPSO applications. Engineered for the most demanding offshore environments, our valves are built to deliver exceptional reliability, safety, and long-term performance in critical fluid control systems. With our commitment to stringent quality control, evidenced by our ISO9001 certification and comprehensive 100% Non-Destructive Testing (NDT) protocol, we provide our clients with the confidence that each valve meets the highest industry standards. We understand that downtime is not an option in offshore operations, which is why our products are designed for durability and ease of maintenance, backed by a solid warranty and full mill test report documentation.
Our Marine Gate Valves are specifically designed to withstand the harsh conditions of Floating Production, Storage, and Offloading (FPSO) units. These valves play a crucial role in various systems including ballast, bilge, cargo, and firefighting lines. The core design focuses on providing a tight seal, smooth operation, and robust construction to handle seawater, crude oil, and other process fluids.
- Superior Material Selection: We utilize high-grade materials such as ASTM A216 WCB cast steel for general service, CF8M stainless steel for corrosive environments, and Duplex steels for high chloride content applications. All materials are sourced from certified mills, with full traceability provided in the Mill Test Report (MTR).
- Robust Construction & Design: The valve features a sturdy body, a flexible or solid wedge depending on application needs, a rising stem for clear visual indication of valve position, and reinforced bonnet joints. The design minimizes internal cavities to reduce the risk of sediment buildup and corrosion.
- Comprehensive Testing & Certification: Every single valve undergoes 100% NDT testing, which may include Ultrasonic Testing (UT) for body integrity, Radiographic Testing (RT) for weld seams, Magnetic Particle Inspection (MPI), and Liquid Penetrant Testing (PT). This ensures there are no subsurface or surface defects that could compromise performance.
- Enhanced Sealing Performance: The valve employs advanced seat and seal designs, often with Stellite hard-facing on seating surfaces for erosion resistance. This ensures bubble-tight shut-off even after prolonged periods of inactivity, a critical requirement for safety systems.
- Multiple Operation Options: To suit different operational philosophies and automation levels, our valves can be supplied with standard handwheels, manual gear operators, or automated actuators (electric or pneumatic). Actuators can be customized for fail-safe modes (fail-open or fail-close).
- Corrosion Protection: Valves destined for marine service receive specialized surface treatments. This includes high-performance epoxy coatings, galvanization, or other marine-grade paint systems as specified by the client to combat saltwater corrosion.
The technical specifications of our standard range are detailed in the table below. Custom specifications are available upon request to meet specific project requirements.
| Parameter | Specification / Range |
|---|---|
| Design & Manufacturing Standards | API 600, API 6D, ASME B16.34, BS 1414, ISO 10434 |
| Size Range (Nominal) | 2" to 48" (DN50 to DN1200) |
| Pressure Class | Class 150, 300, 600, 900, 1500, 2500 (PN10 to PN420) |
| Temperature Range | -29°C to 425°C (-20°F to 800°F) standard, extended ranges available |
| End Connection | Flanged (RF, RTJ), Butt-Weld, Socket Weld |
| Body & Bonnet Material | WCB, LCB, WC6, CF8, CF8M, CF3M, Duplex 2205, Super Duplex 2507 |
| Trim Material (Seat, Wedge, Stem) | 13% Cr, Stellite 6, 316 SS, Monel, Alloy 20, customizable |
| Packing | Graphite, PTFE, or Flexible Graphite for fire-safe design |
| Gasket | Spiral Wound (SS/Graphite, SS/PTFE), Ring Type Joint |
Choosing Zhibang Valve translates into tangible benefits for your FPSO project. You gain access to proven reliability that reduces the risk of unplanned shutdowns. Our comprehensive documentation package, including the 100% NDT reports and MTR, simplifies your quality assurance and audit processes. Furthermore, our flexible customization ensures the valve fits your exact piping and operational needs, while our competitive pricing and direct manufacturer support offer excellent value.
With an annual export value ranging between US$1 Million and US$1.5 Million, Shanghai Zhibang Valve has established a strong reputation for quality and reliability across diverse markets including North America, South America, Europe, Southeast Asia, Africa, and the Middle East. Our strategic location in Shanghai, with access to major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensures efficient and timely logistics for global shipments. Our ISO9001 certified quality management system governs every step of production, from raw material inspection to final testing and packaging. When you partner with us, you are not just buying a valve; you are investing in a product backed by a manufacturer's warranty, full technical transparency, and a commitment to supporting your project's success from start to finish. Contact us today to discuss your specific requirements and request a detailed quotation.
Frequently Asked Questions (FAQ)
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Q: What does "100% NDT Tested" mean for this gate valve?
A: It means every individual valve we produce undergoes a full suite of Non-Destructive Tests, such as Ultrasonic, Radiographic, Magnetic Particle, and Dye Penetrant inspections. This is beyond standard hydrostatic tests and ensures there are no hidden material or welding flaws, providing an extra layer of quality assurance for critical offshore applications. -
Q: Is the Mill Test Report (MTR) provided with each valve?
A: Yes, a complete Mill Test Report (also called Material Test Report or Certificate) is provided for each valve. This document certifies the chemical composition and mechanical properties of the raw materials used (body, bonnet, trim), ensuring they meet the specified ASTM or equivalent standards. -
Q: Can these valves be customized for specific FPSO project standards?
A: Absolutely. We regularly customize valves based on client specifications, including special pressure-temperature ratings, material grades, end connections (like specific flange standards), paint/coating specifications, and actuator requirements. Please provide your detailed data sheet or specification for a quote. -
Q: What is the typical lead time for an order of these marine gate valves?
A: Lead time depends on the size, material, pressure class, and quantity. For standard specifications, it typically ranges from 4 to 8 weeks. For large, customized orders, we provide a firm schedule upon order confirmation. We prioritize communication to keep clients informed. -
Q: What kind of warranty do you offer?
A: We provide a standard warranty against defects in material and workmanship for a specified period (e.g., 12-18 months from shipment or commissioning, as per contract). The warranty terms are clearly stated in our commercial contract. Our support includes troubleshooting and providing necessary replacement parts. -
Q: Do you supply actuators with the valves?
A: We can supply the valves as manual units (handwheel or gear operated) or as a complete package with electric, pneumatic, or hydraulic actuators. We work with reputable actuator manufacturers and can interface the valve and actuator to provide a tested, ready-to-install assembly. -
Q: Are your valves suitable for sour service (H2S environments)?
A: Yes, we can manufacture valves compliant with NACE MR0175/ISO 15156 standards for sour service. This involves using specific materials, heat treatment processes, and hardness controls. Please indicate this requirement during inquiry. -
Q: What are your main shipping ports and Incoterms?
A> We primarily ship from Shanghai, Guangzhou, Hong Kong, and Beijing ports. We are experienced in handling various Incoterms such as FOB, CIF, CFR, and EXW to accommodate our global clients' logistics preferences.
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