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Home > Industrial Equipment & Components > Valve > Butterfly Valve > CB/T3191 Standard Marine Ball Valve, ISO 5211 Mounting Pad for Actuator, DN80 PN4.0MPa

CB/T3191 Standard Marine Ball Valve, ISO 5211 Mounting Pad for Actuator, DN80 PN4.0MPa

CB/T3191 Standard Marine Ball Valve, ISO 5211 Mounting Pad for Actuator, DN80 PN4.0MPa thumbnail-3

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CB/T3191 Standard Marine Ball Valve, ISO 5211 Mounting Pad for Actuator, DN80 PN4.0MPa thumbnail-5

CB/T3191 Standard Marine Ball Valve, ISO 5211 Mounting Pad for Actuator, DN80 PN4.0MPa photo-1

CB/T3191 Standard Marine Ball Valve, ISO 5211 Mounting Pad for Actuator, DN80 PN4.0MPa photo-2

CB/T3191 Standard Marine Ball Valve, ISO 5211 Mounting Pad for Actuator, DN80 PN4.0MPa photo-3

CB/T3191 Standard Marine Ball Valve, ISO 5211 Mounting Pad for Actuator, DN80 PN4.0MPa photo-4

CB/T3191 Standard Marine Ball Valve, ISO 5211 Mounting Pad for Actuator, DN80 PN4.0MPa photo-5

Product Spotlights

Marine-grade ball valve compliant with CB/T3191 standard for seawater corrosion resistance. Features a high-pressure rating of PN4.0MPa (DN80) and a universal ISO 5211 mounting pad for direct actuator attachment, enabling easy automation. Ideal for critical shipboard piping systems, offering reliable sealing, durability, and global standard compatibility.

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

Key Specifications

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Standard:

CB/T3191, ISO 5211 Mounting Pad

Application:

Other, Marine Piping Systems

Nominal Diameter (DN):

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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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Standard CB/T3191, ISO 5211 Mounting Pad

Application Other, Marine Piping Systems

Nominal Diameter (DN) 80

Pressure Rating (PN) 4.0 MPa

Connection Standard Flanged (Standard as per CB/T3191)

Body Material Carbon Steel / Stainless Steel (Optional)

Seat Material PTFE / Reinforced PTFE / Metal (Optional)

Operation Lever / Gearbox / Actuator Mounting Ready

Temperature Range -20°C to +200°C (Depends on seat material)

As a professional manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve is dedicated to providing reliable and durable fluid control solutions for demanding marine applications. Our CB/T3191 Standard Marine Ball Valve, designed specifically for DN80 pipelines with a PN4.0MPa rating and featuring a standardized ISO 5211 mounting pad, represents our commitment to engineering excellence and international compatibility. This valve is engineered to ensure safe, efficient, and long-lasting operation in the challenging saltwater environment, offering shipbuilders and marine engineers a trusted component for critical piping systems.

Core Product Features & Technical Advantages:

Marine-Grade Construction: Manufactured in compliance with the Chinese Marine Standard CB/T3191, this ball valve is built to withstand the corrosive effects of seawater, high humidity, and variable pressures encountered in maritime operations.
Universal Actuator Compatibility: The integrated ISO 5211 mounting pad allows for the direct and secure attachment of a wide range of pneumatic or electric actuators. This standardization facilitates easy automation, remote control integration, and simplifies maintenance and part sourcing globally.
Robust Pressure Handling: With a pressure rating of PN4.0MPa (Class 400), this valve is suitable for high-pressure seawater cooling lines, ballast systems, fuel oil transfer lines, and other critical high-pressure services on vessels and offshore platforms.
Superior Sealing Performance: Utilizing advanced seat materials such as PTFE or reinforced PTFE, the valve ensures bubble-tight shut-off, minimizing leakage and ensuring system integrity. Metal-seated versions are available for higher temperature applications.
Durability & Low Maintenance: The design emphasizes minimal internal cavities to prevent sediment buildup, and the robust construction ensures a long service life with minimal maintenance requirements, reducing total lifecycle costs.

Detailed Technical Specifications:

Parameter	Specification
Product Standard	CB/T3191
Nominal Diameter (DN)	80
Pressure Rating (PN)	4.0 MPa (Approx. 580 PSI)
Mounting Pad Standard	ISO 5211 (For actuator attachment)
Connection Type	Flanged (Dimensions per CB/T3191)
Body Material (Typical)	WCB Carbon Steel / CF8 Stainless Steel
Ball & Stem Material	Stainless Steel (e.g., SS304, SS316)
Seat Material Options	PTFE, Reinforced PTFE, Metal
Temperature Range	-20°C to +200°C (Varies with seat material)
Operation	Lever, Worm Gearbox, or Actuator

Benefits for Your Marine Projects:

Enhanced System Safety: Reliable shut-off capability under high pressure contributes to the overall safety of the vessel's piping systems.
Simplified Automation: The ISO 5211 interface allows for quick and cost-effective automation upgrades, enabling centralized control and monitoring.
Global Compliance & Interchangeability: Adherence to recognized standards (CB/T3191, ISO 5211) ensures compatibility with international marine projects and simplifies spare part procurement.
Corrosion Resistance: Available in various material grades to offer optimal resistance to seawater corrosion, extending service life.
Reduced Operational Downtime: The robust design and accessible mounting pad facilitate easier maintenance and actuator replacement, minimizing vessel downtime.

Backed by our ISO9001 certification and years of manufacturing expertise since 2016, Shanghai Zhibang Valve delivers products that meet rigorous quality standards. Our annual export value of US$1-1.5 Million and presence in major global markets including North America, Southeast Asia, Europe, and Africa are testaments to the reliability and acceptance of our valves. We support flexible shipment from key ports like Shanghai, Guangzhou, Hong Kong, and Beijing. For your next marine or offshore project requiring a dependable, high-pressure ball valve ready for automation, our CB/T3191 DN80 PN4.0MPa valve provides a proven solution. Contact us today to discuss your specific requirements, request a detailed quotation, or learn more about our full product range.

Frequently Asked Questions (FAQ):

Q: What does "CB/T3191" standard mean for this marine ball valve?
A: CB/T3191 is a Chinese national marine industry standard specifically for marine flanged steel ball valves. It defines the design, materials, dimensions, testing, and marking requirements to ensure the valve's suitability and reliability for marine applications, particularly in corrosive seawater environments.
Q: Can I install an actuator on this valve immediately?
A: Yes. This valve comes with a standardized ISO 5211 mounting pad directly machined on the top. This allows you to directly mount a compatible pneumatic, electric, or hydraulic actuator without the need for additional adaptor kits, simplifying the automation process.
Q: Is this valve suitable for freshwater applications, or only seawater?
A: While it is designed and tested to marine standards for superior corrosion resistance, it is perfectly suitable for demanding freshwater applications, high-pressure industrial water systems, or any application requiring a robust, flanged ball valve with actuator readiness.
Q: What are the available material options for the body and internals?
A: Common body materials include WCB carbon steel and CF8 (SS304) stainless steel. The ball and stem are typically made from stainless steel (SS304/SS316). Seat materials can be selected from PTFE, reinforced PTFE for most services, or metal seats for high-temperature applications. Specific combinations can be discussed based on your media and service conditions.
Q: What is the lead time for an order of this DN80 PN4.0MPa valve?
A: Lead time depends on order quantity and specific material configuration. As a manufacturer, we maintain certain stock for standard configurations. Please contact our sales team with your required quantity and specifications for an accurate production and delivery schedule.
Q: Do you provide documentation like test reports and certificates?
A: Yes. We can provide standard factory test reports (e.g., shell test, seat test). Our manufacturing facility is ISO9001 certified, ensuring consistent quality control processes. Specific certification requests can be addressed upon inquiry.
Q: Can this valve be supplied with a manual gearbox instead of a lever?
A: Absolutely. The valve can be configured with a manual worm gear operator for easier operation under high pressure or in hard-to-reach locations. The ISO 5211 pad remains for potential future actuator installation.
Q: What are the main markets you export this marine valve to?
A: We have successfully supplied our marine valves to shipyards and projects in North America, South America, Eastern Europe, Southeast Asia, Africa, the Middle East, and across Europe. Our extensive export experience ensures we understand international requirements.