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Home > Industrial Equipment & Components > Valve > Butterfly Valve > CB/T3191 Marine Ball Valve OEM Factory: Application in Shipboard Hydraulic Control and Ballast Systems

CB/T3191 Marine Ball Valve OEM Factory: Application in Shipboard Hydraulic Control and Ballast Systems

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Product Spotlights

CB/T3191 compliant marine ball valves engineered for reliable performance in shipboard hydraulic control and ballast systems. Features corrosion-resistant materials (bronze/SS/duplex), bubble-tight PTFE/metal seats, and versatile manual/actuated operation. ISO9001 certified OEM factory offers customization, global export expertise, and ensures enhanced safety, system reliability, and low lifecycle costs for vessel operators.

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

Key Specifications

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Application:

Other, Shipboard Hydraulic Control and Ballast Systems

Standard:

CB/T3191

Product Type:

Ball Valve

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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
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Application Other, Shipboard Hydraulic Control and Ballast Systems

Standard CB/T3191

Product Type Ball Valve

Material Bronze, Stainless Steel, or Duplex Steel

Connection Type Flanged, Threaded, or Welded

Pressure Rating PN10 to PN40 (or Class 150 to Class 300)

Temperature Range -20°C to 200°C

Operation Manual Lever, Gear, or Pneumatic/Hydraulic Actuator

Seat Material PTFE, Reinforced PTFE, Metal

As a dedicated manufacturer with a strong foundation since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-performance marine valves that meet the rigorous demands of global shipping. Our CB/T3191 Marine Ball Valves are engineered specifically for critical applications in shipboard hydraulic control and ballast systems. We understand that reliability, durability, and precise operation are non-negotiable in marine environments. With our ISO9001-certified manufacturing processes and a proven export track record serving markets from North America to Oceania, we deliver valves that ensure system integrity, enhance operational safety, and contribute to the smooth functioning of your vessel's essential systems.

Our CB/T3191 Marine Ball Valves are designed to excel in the challenging conditions of maritime operations. Here’s a detailed look at their features, specifications, and the distinct advantages they offer:

Core Features & Technical Advantages:

Robust Construction for Marine Duty: Manufactured from premium materials like bronze, stainless steel, or duplex steel, these valves offer superior resistance to corrosion from saltwater, hydraulic fluids, and other aggressive media commonly found onboard.
Precision Flow Control: The full-port or standard-port design ensures minimal pressure drop and allows for efficient, unobstructed flow, which is crucial for the rapid filling and emptying of ballast tanks and responsive hydraulic control.
Reliable Sealing Performance: Featuring advanced seat materials such as PTFE or reinforced PTFE, our valves provide a bubble-tight seal, preventing leaks that could lead to system failure or environmental hazards.
Versatile Operation & Configuration: Available with manual levers, gear operators, or automated pneumatic/hydraulic actuators, these valves can be integrated into both local and centralized control systems, offering flexibility for various ship designs and operational preferences.
Compliance with Marine Standards: Designed and manufactured in accordance with the CB/T3191 standard, these valves meet specific requirements for marine applications, ensuring compatibility and reliability within shipboard piping systems.
Low Maintenance & Long Service Life: The simple yet robust ball valve design, combined with high-quality materials, results in a product that requires minimal maintenance even under constant use, reducing lifecycle costs and downtime.

Detailed Technical Specifications:
The table below outlines key parameters for our standard CB/T3191 Marine Ball Valve range. Custom specifications are available upon request.

Parameter	Specification / Option
Standard	CB/T3191
Valve Size (DN)	DN15 to DN500 (1/2" to 20")
Pressure Rating (PN)	PN10, PN16, PN25, PN40 (Class 150, Class 300)
Body Material	Bronze (C95800), CF8M Stainless Steel, Duplex Steel (F51/F53)
Ball & Stem Material	Stainless Steel (SS316), Chrome Plated, or matched to body material
Seat Material	PTFE, Reinforced PTFE (RPTFE), Metal Seated (for high-temp)
Connection Type	Flanged (RF, RTJ), Threaded (NPT, BSP), Butt-Weld
Operating Temperature	-20°C to 200°C (depending on seat material)
Operation Method	Manual Lever, Worm Gear, Pneumatic Actuator, Hydraulic Actuator
Fire Safe Design	Optional, compliant with API 607/API 6FA standards

Benefits for Your Operations:

Enhanced System Reliability: Our valves' robust construction and reliable sealing directly contribute to the uninterrupted operation of critical hydraulic and ballast systems, preventing costly failures.
Improved Safety: Leak-proof performance and fire-safe options (when selected) enhance onboard safety for both crew and vessel.
Operational Efficiency: Quick quarter-turn operation and low-flow resistance allow for faster ballast transfer and more responsive hydraulic control, saving time and energy.
Global Supply & Support: With major shipment ports like Shanghai, Guangzhou, Hong Kong, and Beijing, and experience exporting to over a dozen global regions, we ensure timely delivery and reliable logistical support.
Cost-Effective Solution: The combination of competitive pricing from direct manufacturing, long service life, and low maintenance makes our valves a cost-effective choice for shipowners and shipyards.

Trust in a supplier with a solid reputation and proven capabilities. Shanghai Zhibang Valve Manufacture Co., Ltd. operates under an ISO9001 Quality Management System, ensuring consistent product quality from raw material to finished valve. Our annual export value of US$1 Million - US$1.5 Million underscores our reliability and the trust placed in us by partners across North America, South America, Europe, Asia, Africa, and Oceania. We don't just sell valves; we provide dependable components that are integral to your vessel's performance. For your next marine project requiring robust, compliant, and high-performance ball valves for hydraulic control or ballast systems, contact us for a detailed quotation or technical consultation.

Frequently Asked Questions (FAQ):

Q: What does the CB/T3191 standard signify for this ball valve?
A: CB/T3191 is a Chinese national standard specifically for marine valves. It defines the technical requirements, testing methods, and inspection rules for valves used on ships, ensuring they meet the necessary performance, material, and safety criteria for maritime service.
Q: Can these valves be used with seawater in ballast systems?
A: Yes, absolutely. They are a primary application. We recommend material selections like bronze or super duplex stainless steel for superior corrosion resistance against seawater. The seat materials are also chosen to be compatible.
Q: Are pneumatic or hydraulic actuators available for remote operation?
A: Yes. While manual and gear-operated versions are standard, we can supply valves pre-fitted with pneumatic (air) or hydraulic (oil) actuators for integration into automated or remote control panels, which is common in modern vessel design.
Q: What is the typical delivery lead time for an order?
A: Lead time depends on order quantity, specification complexity, and material availability. For standard specifications, we often maintain some inventory. Generally, production lead times range from 4-8 weeks. We provide a specific timeline with every quotation.
Q: Do you offer custom machining for non-standard flange faces or pressure ratings?
A: Yes, as an OEM factory, customization is one of our strengths. We can engineer and manufacture valves to meet specific flange standards (e.g., ASME, JIS, DIN), special pressure ratings, or unique port configurations based on your system drawings.
Q: How do you ensure quality control during manufacturing?
A: Our ISO9001 certification mandates a systematic quality control process. This includes incoming material inspection, in-process checks during machining and assembly, and final testing (such as shell test, seat test, and operational torque test) before shipment.
Q: What are the main differences between bronze and stainless steel versions for marine use?
A: Bronze offers excellent corrosion resistance in seawater and is often more cost-effective. Stainless steel (especially 316/316L) provides higher mechanical strength and resistance to a broader range of chemicals. The choice depends on the specific fluid, pressure, and budget.
Q: Can you provide documentation like Material Certificates and Test Reports?
A: Yes, upon request, we can provide relevant documentation, including material chemical and mechanical test certificates (3.1 or 3.2 per EN 10204), and factory acceptance test reports for the valves, which are commonly required for marine projects.