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Home > Industrial Equipment & Components > Valve > Gate Valve > Marine Gate Valve for Engine Room Piping, CB/T3591-2005 Standard, Flanged Connection

Marine Gate Valve for Engine Room Piping, CB/T3591-2005 Standard, Flanged Connection

Marine Gate Valve for Engine Room Piping, CB/T3591-2005 Standard, Flanged Connection thumbnail-3

Marine Gate Valve for Engine Room Piping, CB/T3591-2005 Standard, Flanged Connection thumbnail-4

Marine Gate Valve for Engine Room Piping, CB/T3591-2005 Standard, Flanged Connection thumbnail-5

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Marine Gate Valve for Engine Room Piping, CB/T3591-2005 Standard, Flanged Connection photo-3

Marine Gate Valve for Engine Room Piping, CB/T3591-2005 Standard, Flanged Connection photo-4

Marine Gate Valve for Engine Room Piping, CB/T3591-2005 Standard, Flanged Connection photo-5

Product Spotlights

Marine-grade gate valve compliant with CB/T3591-2005 shipbuilding standard, featuring durable flanged construction for engine room piping. Offers reliable shut-off for seawater, oil, and water lines with corrosion-resistant materials (cast steel body, stainless steel stem). Available in PN10-PN25 pressure ratings and DN50-DN500 sizes. ISO9001 certified manufacturing ensures quality for global marine applications, supporting easy installation and long service life with minimal maintenance.

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

Key Specifications

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Application:

Other, Engine Room Piping System

Product Standard:

CB/T3591-2005

Connection Type:

Flanged

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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, Engine Room Piping System

Product Standard CB/T3591-2005

Connection Type Flanged

Body Material Cast Steel or Ductile Iron

Seat Material Bronze or Stainless Steel

Stem Material Stainless Steel

Operating Temperature Up to 200°C

Pressure Rating PN10, PN16, PN25

Operation Type Handwheel or Gear Operated

Suitable Medium Sea Water, Fresh Water, Oil

As a professional manufacturer of industrial valves with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our Marine Gate Valve designed specifically for engine room piping systems. Built in strict compliance with the CB/T3591-2005 standard and featuring robust flanged connections, this valve is engineered to deliver reliable flow control and isolation in the demanding marine environment. Since our establishment in 2016, we have dedicated ourselves to producing valves that meet the rigorous requirements of the global shipping industry, exporting to key markets across North America, South America, Europe, Asia, Africa, and Oceania. Our valve combines durable construction with precise engineering to ensure long service life and minimal maintenance, making it a cost-effective and dependable choice for shipbuilders, repair yards, and vessel operators worldwide.

Our Marine Gate Valve is a critical component for managing fluid flow within a ship's engine room. Its primary function is to provide a tight shut-off for pipelines carrying seawater, freshwater, fuel oil, lubricating oil, and other media. The flanged connection design ensures easy installation, secure mounting, and excellent pressure integrity within the piping system.

Key Features & Technical Advantages:

Rugged Construction for Marine Service: The valve body is typically manufactured from high-grade cast steel or ductile iron, providing exceptional strength and corrosion resistance to withstand the harsh saline atmosphere and mechanical stresses encountered onboard.
Standard-Compliant Design: Adherence to the CB/T3591-2005 Chinese shipbuilding standard guarantees that the valve's dimensions, pressure ratings, material grades, and testing procedures are suitable for marine applications, facilitating procurement and installation.
Superior Sealing Performance: The wedge or parallel slide gate design, coupled with precision-machined seats (often bronze or stainless steel), ensures bubble-tight shut-off when fully closed, preventing leaks and ensuring system efficiency.
Corrosion-Resistant Internals: Critical components like the stem are made from stainless steel to resist galling and corrosion, ensuring smooth operation over extended periods even with infrequent use.
Versatile Pressure Ratings: Available in common pressure classes such as PN10, PN16, and PN25 to suit various system requirements within the engine room.
Multiple Operation Options: Can be supplied with a standard handwheel for manual operation or equipped with a gearbox for applications requiring higher torque or remote operation potential.

Detailed Specifications:

Parameter	Specification
Design Standard	CB/T3591-2005
Connection	Flanged (RF face common)
Nominal Diameter (DN)	Range from DN50 to DN500
Pressure Rating (PN)	PN10, PN16, PN25
Body Material	Cast Steel (WCB), Ductile Iron
Seat/Ring Material	Bronze, Stainless Steel
Stem Material	Stainless Steel (2Cr13)
Operating Temp.	-20°C to +200°C
Suitable Media	Sea Water, Fresh Water, Oil, Air
Operation	Handwheel (Standard), Gear Operated (Optional)

Benefits for Our Clients:

Enhanced System Reliability: The robust design and quality materials minimize the risk of in-service failure, reducing unplanned downtime and enhancing the overall safety of the vessel's engine room systems.
Reduced Lifetime Cost: Durable construction and corrosion-resistant materials lead to a long service life with minimal maintenance requirements, offering excellent total cost of ownership.
Simplified Procurement & Installation: Compliance with a recognized marine standard (CB/T3591-2005) and standard flanged dimensions ensure compatibility and ease of integration into new builds or retrofit projects.
Global Supply Capability: With annual export experience and shipment capabilities from major Chinese ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely and efficient delivery to shipyards and partners across the globe.

Trust in a product backed by a manufacturer with a proven track record. Shanghai Zhibang Valve has been serving the international market since 2016, with an annual export value ranging between US$1 Million and US$1.5 Million, demonstrating consistent quality and reliability that customers worldwide depend on. Our valves are manufactured under an ISO9001 certified quality system, ensuring every product meets stringent performance criteria. For your next marine project requiring dependable, standard-compliant gate valves for engine room piping, choose a partner committed to quality and global service. Contact us today for a quotation or to discuss your specific requirements.

Frequently Asked Questions (FAQ):

Q: What is the main advantage of a gate valve over other valve types for engine room use?
A: Gate valves provide a straight-through flow path when fully open, resulting in very low pressure drop. Their design allows for a tight, metal-to-metal seal when closed, which is crucial for positive isolation of pipelines for maintenance or emergency purposes in engine rooms.
Q: Does CB/T3591-2005 comply with international standards?
A: CB/T is a Chinese professional standard for shipbuilding. While it is a recognized and respected standard within the global marine industry, especially for vessels built or serviced in Asia, it is always advisable to confirm its acceptance with your specific classification society or project specifications.
Q: Can you provide valves with different flange standards, like ANSI or JIS?
A: Yes, customization is available. While we commonly supply valves with flanges per GB standards (aligned with CB/T), we can manufacture valves with ANSI, JIS, DIN, or other international flange standards upon request to meet your project needs.
Q: What is the typical lead time for an order?
A: Lead time depends on the order quantity, size, and material specifications. Standard configurations typically have shorter lead times. We provide accurate timelines upon receipt of your detailed inquiry and work efficiently to meet project schedules.
Q: Are these valves suitable for steam service?
A: The standard temperature rating is up to 200°C, which covers many saturated steam applications. However, for high-pressure or superheated steam lines, specific material and design reviews are necessary. Please consult with our engineering team for such applications.
Q: Do you offer any surface treatment or coating for enhanced corrosion protection?
A> Yes, additional protective coatings like epoxy paint, galvanization, or other marine-grade coatings can be applied to the valve exterior upon request to provide extra defense against the harsh marine environment.
Q: What kind of testing do your valves undergo before shipment?
A> Each valve undergoes rigorous factory testing as per the CB/T3591-2005 standard, which typically includes shell strength tests (hydrostatic) and seat leakage tests to ensure integrity and performance.
Q: Can you provide documentation like material certificates and test reports?
A> Absolutely. We can provide standard documentation packages, including material certificates, test reports, and certificates of conformity. For classification society approvals (like ABS, BV, DNV, etc.), this can be arranged as a special service.