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Home > Industrial Equipment & Components > Valve > Butterfly Valve > FPSO Marine Ball Valve CB/T3191 Standard, Carbon Steel Construction, Full Bore Design

FPSO Marine Ball Valve CB/T3191 Standard, Carbon Steel Construction, Full Bore Design

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Product Spotlights

CB/T3191 standard marine ball valve for FPSO applications. Features robust carbon steel construction and full bore design for minimal pressure drop and pigging capability. Offers reliable performance in harsh offshore environments with options for fire-safe design, various actuators, and anti-corrosion coatings. Ensures safety, reduces operational costs, and provides long service life.

Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Standard:

CB/T3191

Application:

Other, FPSO

Material:

Carbon Steel

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Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Standard CB/T3191

Application Other, FPSO

Material Carbon Steel

Bore Design Full Bore

Connection Type Flanged (Standard)

Operation Manual, Gear, or Actuated

Seat Material PTFE, Metal, or Reinforced PTFE

Pressure Rating Class 150 to Class 1500

Temperature Range -29°C to 200°C (Standard)

Coating/Finish Anti-corrosion coating available

As a leading manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance, reliable fluid control solutions for demanding offshore and marine applications. Our FPSO Marine Ball Valve, engineered to the stringent CB/T3191 standard, represents our commitment to excellence. Built with robust carbon steel construction and a full bore design, this valve is engineered to ensure unimpeded flow, minimize pressure drop, and provide exceptional durability in harsh marine environments, directly contributing to the operational efficiency and safety of your FPSO and marine systems.

This valve is not just a component; it's a critical safeguard for your offshore assets. We understand the challenges posed by corrosive seawater, high pressures, and constant motion. That's why every valve undergoes rigorous testing to meet the exacting standards required for marine service. Our focus on precision manufacturing and quality control, backed by our experience since 2016 and a global export footprint across North America, Southeast Asia, Europe, and Africa, ensures you receive a product you can trust for long-term, maintenance-free operation.

Core Features & Technical Advantages:

Full Bore Design: Provides a flow path with minimal restriction, reducing pressure loss and allowing for efficient pigging operations, which is crucial for pipeline maintenance in FPSO applications.
Robust Carbon Steel Construction: Offers superior strength and impact resistance. The material is carefully selected and often treated with specialized anti-corrosion coatings to withstand saline atmospheres and splash zones.
CB/T3191 Standard Compliance: Manufactured in strict accordance with China's shipbuilding standard for marine valves, ensuring dimensional accuracy, material integrity, and performance reliability suitable for marine and offshore use.
Versatile Seating Options: Available with soft seats (like PTFE) for excellent sealing and low torque, or metal-seated designs for higher temperature and more abrasive service conditions.
Multiple Actuation Methods: Designed to accommodate manual lever operation, gear operators for higher torque applications, or automated actuation (pneumatic/electric) for remote control and integration into process control systems.
Enhanced Seal Integrity: Features advanced stem sealing systems, often with multiple sealing points and anti-blowout stems, to prevent leakage and ensure safety in critical service.
Fire-Safe Design Available: Optional fire-safe construction ensures the valve maintains sealing integrity even under extreme fire conditions, a vital feature for safety-critical offshore platforms.

Key Technical Specifications:

Parameter	Specification / Range
Design Standard	CB/T3191
Body Material	Carbon Steel (WCB, LCB, etc.)
Bore Type	Full Bore
Pressure Class	Class 150, 300, 600, 900, 1500
Size Range	DN15 (1/2") to DN600 (24")
End Connection	Flanged (RF, RTJ), Butt Weld
Temperature Range	Standard: -29°C to 200°C; Extended ranges available
Seat Material	PTFE, Reinforced PTFE, Metal (Inconel, Stellite)

Benefits for Your Operations:

Reduced Operational Costs: Low pressure drop translates to lower pumping energy requirements. Durable construction minimizes maintenance frequency and replacement costs.
Enhanced System Safety & Reliability: Leak-tight sealing and robust design prevent fluid loss and contain process media, protecting personnel, equipment, and the environment.
Operational Flexibility: The full bore design allows for easy passage of inspection tools and pigs, facilitating essential pipeline integrity management without valve removal.
Global Compliance & Ease of Integration: Built to recognized marine standards, ensuring compatibility and acceptance in international offshore projects.
Long Service Life: Corrosion-resistant treatments and high-quality internal components ensure extended valve life even in the most challenging offshore conditions.

Trust in a manufacturer with a proven track record. Since our establishment in 2016, Shanghai Zhibang Valve has consistently supplied high-quality valves, achieving an annual export value between US$1 Million and US$1.5 Million. Our products are trusted by partners across diverse global markets, from North America and Western Europe to Southeast Asia and Africa, shipped efficiently from major ports like Shanghai, Guangzhou, and Hong Kong. Our ISO9001 certification is your assurance of a systematic approach to quality at every stage of production. Choose our FPSO Marine Ball Valve for a combination of robust engineering, reliable performance, and manufacturer-backed assurance. Contact us today to discuss your specific requirements and receive a competitive quotation.

Frequently Asked Questions (FAQ)

Q: What does "CB/T3191" standard mean for this valve?
A: CB/T3191 is a Chinese national standard specifically for marine valves. It defines requirements for design, materials, manufacturing, testing, and inspection to ensure the valve is suitable for shipbuilding and offshore applications, including FPSOs. Compliance guarantees a level of quality and reliability expected in marine environments.
Q: Why is a full bore design important for FPSO applications?
A: On FPSOs, pipelines often require pigging for cleaning, inspection, or product separation. A full bore valve has an internal diameter matching the pipeline, allowing pigs to pass through without obstruction. This eliminates the need for costly bypass systems and simplifies maintenance operations.
Q: What types of media is this carbon steel valve suitable for?
A: It is suitable for a wide range of media including oil, gas, produced water, seawater (with appropriate coating), and other process fluids commonly found on FPSOs and marine vessels. The specific material grade and trim should be selected based on the fluid's corrosivity, temperature, and pressure.
Q: Can this valve be supplied with actuators for automated control?
A: Yes. The valve is designed to be easily fitted with pneumatic, electric, or hydraulic actuators. We can provide the complete actuated assembly tailored to your control system requirements, including limit switches and solenoid valves if needed.
Q: What corrosion protection is offered for offshore use?
A> Standard valves receive a protective paint coating. For severe offshore splash zone or submerged service, we offer enhanced options like epoxy coatings, galvanization, or even stainless steel trim. The specific protection can be customized upon request based on your environmental specifications.
Q: Do you offer fire-safe tested versions of this valve?
A: Fire-safe design is a critical optional feature. We can supply valves that comply with common fire-safe testing standards like API 607/API 6FA or ISO 10497. These versions include secondary metal seals that maintain closure in the event of a fire, even if the primary soft seal is damaged.
Q: What is your lead time for an order of these marine ball valves?
A: Lead time depends on the order quantity, size, pressure class, and specific customization. For standard specifications, we typically maintain a stock of common sizes. For large or custom projects, we will provide a detailed production schedule upon receipt of your inquiry.
Q: How do you ensure quality control during manufacturing?
A> Our ISO9001 certified quality management system governs the entire process. This includes material certification, in-process inspections, and final testing. Each valve undergoes hydrostatic shell and seat tests. Additional NDT (like MPI or UT) and functional tests can be performed as per customer requirements.