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Home > Industrial Equipment & Components > Valve > Butterfly Valve > CB/T3191 Marine Ball Valve OEM Factory: Full Port Design, Pressure Rating ANSI 150/300, for Ship Pipeline Systems

CB/T3191 Marine Ball Valve OEM Factory: Full Port Design, Pressure Rating ANSI 150/300, for Ship Pipeline Systems

CB/T3191 Marine Ball Valve OEM Factory: Full Port Design, Pressure Rating ANSI 150/300, for Ship Pipeline Systems thumbnail-3

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CB/T3191 Marine Ball Valve OEM Factory: Full Port Design, Pressure Rating ANSI 150/300, for Ship Pipeline Systems thumbnail-5

CB/T3191 Marine Ball Valve OEM Factory: Full Port Design, Pressure Rating ANSI 150/300, for Ship Pipeline Systems photo-1

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CB/T3191 Marine Ball Valve OEM Factory: Full Port Design, Pressure Rating ANSI 150/300, for Ship Pipeline Systems photo-3

CB/T3191 Marine Ball Valve OEM Factory: Full Port Design, Pressure Rating ANSI 150/300, for Ship Pipeline Systems photo-4

CB/T3191 Marine Ball Valve OEM Factory: Full Port Design, Pressure Rating ANSI 150/300, for Ship Pipeline Systems photo-5

Product Spotlights

CB/T3191 Marine Ball Valve features a full port design for minimal pressure loss and efficient flow, ideal for ship pipelines. Built to ANSI 150/300 pressure ratings with corrosion-resistant materials like stainless steel, it ensures reliable performance in seawater and fuel systems. Optional automation and in-line maintenance design enhance operational safety and reduce downtime. ISO9001 certified manufacturing guarantees quality for global marine applications.

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

Key Specifications

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Application:

Other, Ship Pipeline Systems

Product Type:

Marine Ball Valve

Port Design:

Full Port

Contact Supplier Request Quote Chat Now

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
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Application Other, Ship Pipeline Systems

Product Type Marine Ball Valve

Port Design Full Port

Pressure Rating ANSI 150/300

Operation Type Lever Handle, Gearbox, Pneumatic/Hydraulic Actuator (Optional)

Body Material Carbon Steel, Stainless Steel, Duplex Steel

Seat Material PTFE, Reinforced PTFE, Metal

End Connection Flanged (RF, RTJ), Screwed, Butt Weld

Production Standard CB/T3191, GB/T 12237

Size Range DN15 (1/2“) to DN600 (24“)

As a professional manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing high-performance fluid control solutions for the demanding marine industry. Our CB/T3191 Marine Ball Valves are engineered to meet the rigorous standards of ship pipeline systems, offering reliable shut-off and control in critical applications. With a focus on durability, safety, and operational efficiency, these full-port design valves are a trusted choice for shipbuilders, ship owners, and maintenance teams worldwide, ensuring smooth and secure maritime operations.

The core of our marine ball valve is its full port (full bore) design, which provides a flow path diameter equal to the pipeline's inner diameter. This minimizes pressure drop, reduces turbulence, and allows for efficient pigging or cleaning of the pipeline—a crucial feature for maintaining system integrity onboard ships. Coupled with robust ANSI 150/300 pressure ratings, these valves are built to withstand the operational pressures encountered in various ship systems, from fuel and ballast lines to cooling and bilge systems.

Key Features & Technical Advantages:

Superior Flow Efficiency: Full port design ensures minimal flow resistance, preserving pump energy and maximizing system throughput.
Robust Pressure Handling: Designed and tested to perform reliably at ANSI 150 (20 bar/300 psi) and ANSI 300 (50 bar/740 psi) class pressures, suitable for a wide range of shipboard services.
Durable Construction: Available in carbon steel, stainless steel (CF8/CF8M), and duplex steel bodies to resist corrosion from seawater, fuels, and chemicals.
Reliable Sealing: Seat materials include standard PTFE for general use, reinforced PTFE for higher temperatures, and metal seats for fire-safe applications or abrasive media.
Versatile Actuation: Standard manual operation via lever or gearbox. Can be easily automated with pneumatic or hydraulic actuators for remote control, enhancing safety and operational convenience.
Easy Maintenance: Top-entry or side-entry design (depending on size) allows for in-line maintenance and seat replacement without removing the valve from the pipeline.
Standard Compliance: Manufactured in accordance with Chinese CB/T3191 standard for marine valves and GB/T 12237, ensuring dimensional interchangeability and performance reliability.

Technical Specifications Table:

Parameter	Specification / Options
Design Standard	CB/T3191, GB/T 12237
Size Range	DN15 (1/2") to DN600 (24")
Pressure Class	ANSI 150, ANSI 300
Port Type	Full Port (Full Bore)
End Connection	Flanged (RF, RTJ), Screwed (NPT, BSP), Butt Weld
Body Material	WCB (Carbon Steel), CF8/CF8M (Stainless Steel 304/316), Duplex Steel
Seat Material	PTFE, RPTFE, Metal (Inconel, Stellite)
Operating Temperature	-20°C to +200°C (PTFE seat), up to +450°C (metal seat, available upon request)
Operation	Lever Handle, Gear Operator, Pneumatic/Hydraulic Actuator (Optional)

Benefits for Your Marine Operations:

Enhanced System Performance: Low pressure loss maintains design flow rates, optimizing the efficiency of pumps and related equipment.
Reduced Maintenance Downtime: Durable materials and reliable sealing extend service intervals. In-line maintenance capability minimizes vessel downtime.
Operational Safety: Positive shut-off and robust construction prevent leaks, protecting crew, cargo, and the marine environment.
Flexibility & Compatibility: Conforms to common marine standards and offers multiple connection types, ensuring easy integration into new builds or retrofit projects.
Cost-Effective Lifecycle: Long service life, combined with competitive OEM pricing from our factory, delivers excellent total cost of ownership.

Backed by our ISO9001-certified manufacturing processes and nearly a decade of industry experience since 2016, Shanghai Zhibang Valve guarantees consistent product quality and performance. Our valves are trusted by clients across North America, South America, Europe, Asia, Africa, and Oceania, with an annual export value demonstrating our global reach and reliability. We support flexible shipment from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. For your next marine pipeline project, choose a valve engineered for reliability. Contact us today for a quotation or to discuss your specific requirements for a customized OEM solution.

Frequently Asked Questions (FAQ):

Q: What is the main advantage of a full port design in a marine ball valve?
A: The full port (or full bore) design provides a flow path with minimal restriction, significantly reducing pressure drop and fluid turbulence. This is especially beneficial for ship systems where maintaining flow efficiency and allowing for pipeline pigging are important.
Q: Are these valves suitable for seawater service?
A: Yes, when ordered with appropriate materials. We recommend stainless steel (CF8M/316) or duplex steel body versions for superior corrosion resistance in seawater applications like ballast, cooling, or fire-fighting systems.
Q: Can I get these valves with actuators for automated control?
A: Absolutely. Our marine ball valves are designed to be easily fitted with pneumatic (double-acting or spring-return) or hydraulic actuators. This allows for integration into automated control panels or remote operation systems onboard.
Q: What is the difference between ANSI 150 and ANSI 300 pressure ratings?
A: ANSI 150 valves are rated for a maximum working pressure of 20 bar (300 psi) at ambient temperature, while ANSI 300 valves are rated for 50 bar (740 psi). The choice depends on the maximum operating pressure in your specific pipeline system.
Q: Do you offer fire-safe certified versions?
A: We can provide valves with metal seat seals (e.g., Inconel) and secondary sealing features that meet common fire-safe design requirements (such as API 607/API 6FA standards). Please specify this need when inquiring.
Q: What is your typical lead time for OEM orders?
A: Lead time varies based on order quantity, material selection, and any customization. For standard sizes and materials, production can typically be completed within 4-6 weeks. We provide accurate timelines upon receipt of your detailed specifications.
Q: How do you ensure quality control?
A: Our manufacturing follows a strict ISO9001 quality management system. Each valve undergoes pressure testing (shell test and seat test), material verification, and dimensional inspection before shipment. Test reports are available upon request.
Q: What end connection types are available?
A: We offer flanged ends (RF raised face or RTJ ring-type joint) per ANSI B16.5, screwed ends (NPT or BSP threads), and butt weld ends. The most common for marine flange pipelines is the RF flanged type.