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Help CenterCB/T3191 Marine Ball Valve for FPSO Crude Oil and Gas Transfer Lines, Fire-Safe
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As a professional manufacturer with ISO 9001 certification and extensive experience in the marine and offshore industry, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our high-performance CB/T3191 Marine Ball Valve. Specifically engineered for the demanding environments of Floating Production Storage and Offloading (FPSO) vessels, this valve is a critical component for the safe and efficient transfer of crude oil and gas. Our commitment to quality, backed by an annual export value of US$1-1.5 million and a global presence across North America, Europe, Asia, and beyond, ensures that we deliver reliable, durable, and fire-safe solutions that meet the stringent requirements of offshore operations. This valve is designed to provide exceptional sealing performance, operational reliability, and long-term service life, even under the most challenging conditions.
Our CB/T3191 Marine Ball Valve incorporates a range of advanced features and robust construction to ensure optimal performance in FPSO applications. The core design focuses on safety, durability, and ease of maintenance, which are paramount for offshore installations where downtime is costly and hazardous.
- Fire-Safe Construction: The valve is designed and tested to meet stringent international fire-safe standards such as API 607, API 6FA, and ISO 10497. In the event of a fire, the secondary metal seat provides a critical seal to prevent catastrophic leakage, containing the flammable media and protecting personnel and assets.
- Robust Body and Trim Materials: We offer valves constructed from high-grade materials including carbon steel (WCB, LCB), stainless steel (CF8, CF8M, CF3, CF3M), and alloy steels (WC6, WC9) to withstand corrosive seawater, sour gas (H2S), and high-pressure crude oil. The ball and stem are often hardened or coated for enhanced wear and corrosion resistance.
- Bubble-Tight Sealing: Utilizing advanced seat materials like reinforced PTFE (RPTFE) or metal seats, the valve ensures a bubble-tight shut-off, minimizing product loss and fugitive emissions, which is crucial for environmental protection and operational efficiency on an FPSO.
- Extended Service Life: Features such as anti-static devices, blow-out proof stems, and low-friction bearings are integrated to ensure smooth operation, reduce maintenance cycles, and extend the valve's operational lifespan in a harsh marine environment.
- Versatile Actuation Options: The valve can be equipped with manual levers, gear operators, or automated actuators (pneumatic/electric) to suit the specific control and remote operation needs of modern FPSO topside modules and subsea transfer lines.
Below is a summary of key technical specifications for our standard range of CB/T3191 Marine Ball Valves:
| Parameter | Specification / Range |
|---|---|
| Design & Manufacturing Standard | CB/T 3191, API 6D, ASME B16.34 |
| Size Range (Nominal Diameter) | DN15 (1/2") to DN600 (24") |
| Pressure Class | Class 150, 300, 600, 900, 1500, 2500 (PN16 to PN420) |
| End Connection Type | Flanged (RF, RTJ), Threaded (NPT, BSP), Socket Weld |
| Temperature Range | Standard: -29°C to 200°C (-20°F to 392°F). Extended ranges available. |
| Fire Safe Certification | Compliant with API 607 4th Ed., API 6FA, ISO 10497 |
| Body Material (Typical) | A216 WCB, A351 CF8, A352 LCB, A217 WC6 |
| Seat & Seal Material | RPTFE, PEEK, Metal (Inconel, Stellite) |
The advantages of choosing our valve translate directly into tangible benefits for your FPSO project. Enhanced Safety is the foremost benefit, with the fire-safe design providing a critical layer of protection. Operational Reliability ensures continuous, uninterrupted flow control, maximizing uptime and production efficiency. Reduced Total Cost of Ownership is achieved through durable construction that minimizes the need for frequent replacements and costly offshore maintenance interventions. Furthermore, the valve's Compliance with International Standards facilitates smoother project approvals and integration into global FPSO fleets.
With a foundation built in 2016 and a proven track record of exporting high-quality valves worldwide, Shanghai Zhibang Valve has established itself as a trusted partner for marine and offshore industries. Our ISO 9001 certified manufacturing processes guarantee consistent quality control from raw material inspection to final testing. We ship from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics to our main markets across the globe. When you select our CB/T3191 Marine Ball Valve, you are not just purchasing a component; you are investing in a solution backed by technical expertise, rigorous testing, and a commitment to supporting the safety and success of your offshore operations. Contact us today to discuss your specific requirements and receive a detailed quotation.
Frequently Asked Questions (FAQ)
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What makes this ball valve suitable for FPSO applications specifically?
FPSOs operate in harsh, corrosive offshore environments with critical safety requirements. Our valve is built with materials resistant to seawater and sour service, features fire-safe certification for hydrocarbon service, and is designed to the CB/T3191 and other marine standards, ensuring reliability and safety for crude oil and gas transfer. -
Can you confirm the fire-safe certification for this valve?
Yes. Our CB/T3191 Marine Ball Valve is designed, manufactured, and tested to be compliant with major international fire-safe standards, including API 607, API 6FA, and ISO 10497. Specific test reports are available upon request. -
What materials are recommended for handling sour gas (containing H2S)?
For sour service applications, we recommend valves with NACE MR0175/MR0103 compliant materials. This typically involves specific grades of carbon steel or stainless steel with suitable hardness control for the trim and body to resist sulfide stress cracking. -
Do you offer automated actuation options for remote operation?
Absolutely. The valve can be fitted with pneumatic (double-acting or spring-return) or electric actuators. We can provide a complete package including the actuator, mounting bracket, and necessary controls based on your system requirements. -
What is the typical delivery lead time for an order?
Lead times vary based on valve size, material, pressure class, and order quantity. For standard specifications, the lead time is generally 4-8 weeks. We provide accurate timelines upon receipt of your detailed inquiry. -
How do you ensure quality control during manufacturing?
Our ISO 9001 certified quality management system governs the entire process. This includes material certification, in-process inspections, dimensional checks, and final testing such as shell test, seat test (both low and high pressure), and fire-safe testing on sampled valves. -
Can you provide valves with special coatings or surface treatments?
Yes, we offer various coatings like epoxy, galvanization, or specialized paints for enhanced corrosion protection. Specific treatments for subsea applications or extreme environments can be discussed and customized. -
What after-sales support do you provide?
We provide comprehensive technical documentation, including datasheets, material certificates, and test reports. Spare parts kits for common wear items like seats and seals are also available. Technical support is offered for installation and operational guidance.
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