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Help CenterMarine Check Valve for FPSO Offshore Injection System, Corrosion Resistant, 2500LB Rating
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Shanghai Zhibang Valve Manufacture Co., Ltd. has been a reliable manufacturer of industrial valves since 2016, with annual export value exceeding US$1 million and a global presence across more than 20 countries. Our Marine Check Valve for FPSO Offshore Injection System is specifically engineered to withstand the harshest marine environments. Featuring a 2500LB pressure rating and superior corrosion resistance, this valve ensures safe, reliable, and long-term operation in high-pressure injection lines on floating production storage and offloading (FPSO) vessels.
Designed with advanced material technology and precision manufacturing, our check valve prevents backflow effectively while minimizing pressure drop. The valve body is constructed from corrosion-resistant alloys such as Duplex Stainless Steel or Super Duplex, offering exceptional resistance to seawater, sour gas, and chemical injection fluids. Every unit undergoes rigorous quality checks under our ISO9001 certified management system, guaranteeing consistent performance in critical offshore applications.
Key Features & Technical Specifications
- High Pressure Rating: Class 2500 (2500LB) suitable for high-pressure injection systems.
- Corrosion Resistance: Body and trim materials include Duplex/Super Duplex Stainless Steel, Inconel, or Monel (customizable).
- Low Pressure Drop: Optimized flow path design reduces energy loss.
- Compact & Lightweight: Easier installation and maintenance on FPSO platforms with limited space.
- Zero Leakage Design: Metal-to-metal or soft seal options ensure bubble-tight shut-off.
- Versatile Connection: Flanged (ASME B16.5) or Buttweld (ASME B16.25) ends available.
- Long Service Life: Resistant to erosion, corrosion, and fatigue from repeated cycling.
| Parameter | Specification |
| Pressure Rating | 2500LB (Class 2500) |
| Size Range | 2" – 24" (DN50 – DN600) |
| End Connection | Flanged (ASME B16.5) / Buttweld (ASME B16.25) |
| Materials | Duplex SS (UNS S31803), Super Duplex (UNS S32750), Inconel 625, etc. |
| Design Standard | API 602 / ASME B16.34 (available upon request) |
| Test Pressure (Shell) | 1.5 x Rated Pressure |
| Test Pressure (Seat) | 1.1 x Rated Pressure |
| Operating Temperature | -20°C to 350°C (customizable) |
| Media | Seawater, crude oil, production water, chemicals, gas |
Customer Benefits
- Reliability in Critical Services: Our check valves are designed for continuous duty in FPSO injection systems, reducing unplanned downtime.
- Extended Maintenance Intervals: Superior corrosion resistance and robust construction minimize the need for frequent replacements.
- Easy Integration: Multiple end connections and sizes allow direct replacement of existing valves without system modifications.
- Cost-Effective Operation: Low pressure drop reduces pump energy consumption, lowering overall operational costs.
- Global Support: With shipping ports in Shanghai, Guangzhou, Hongkong, and Beijing, we deliver globally with fast lead times.
Backed by Experience & Certification: Since 2016, Shanghai Zhibang Valve has exported valves worth US$1 million to US$1.5 million annually to markets including North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our ISO9001 quality management system ensures that every product meets international standards. We have a dedicated technical team to assist with custom requirements, from material selection to design modifications. When you choose our Marine Check Valve for your FPSO offshore injection system, you choose a product that has been proven in the field and backed by a manufacturer committed to excellence.
Contact us today for a quotation or technical consultation. Our team is ready to provide detailed drawings, test reports, and quick delivery schedules. Invest in a valve that delivers safety, durability, and performance under the most demanding offshore conditions.
Frequently Asked Questions
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Q: What media can this check valve handle?
A: It is suitable for seawater, crude oil, production water, chemical injection fluids, and hydrocarbon gases commonly found in FPSO injection systems. -
Q: Is the valve suitable for vertical or horizontal installation?
A: Yes, our design accommodates both horizontal and vertical installations. For vertical lines, a spring-assisted closing mechanism can be provided upon request. -
Q: What materials are available for corrosive environments?
A: Standard materials include Duplex Stainless Steel (UNS S31803) and Super Duplex (UNS S32750). Inconel 625, Hastelloy, and other alloys are also available for extreme corrosion resistance. -
Q: Do you provide certificates of material and hydrostatic test?
A: Yes, we provide full material certificates (EN 10204 3.1) and hydrostatic test reports with every valve. Additional NDT reports (PMI, RT, UT) can be requested. -
Q: What is the typical lead time?
A: Standard sizes (2"-12") are usually within 30-45 days. Custom sizes or special materials may require 50-60 days. For urgent requirements, please contact our sales team. -
Q: Can the valve be supplied with a locking or position indicator feature?
A: Yes, optional accessories include lockable handles, limit switches, and position indicators. Please specify your needs when ordering. -
Q: How is the valve sealed against backflow when closed?
A: We offer both metal-to-metal and resilient (PTFE/NBR) seating options. Metal seating is ideal for high temperature or dirty media; soft seating provides tighter shut-off for clean fluids. -
Q: Is your company ISO certified?
A: Yes, our entire manufacturing process is certified under ISO9001:2015, ensuring consistent quality control from raw material to finished product.
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