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Home > Industrial Equipment & Components > Valve > Other Valves & Parts > Marine Quick Closing Valve, GB/T5744-1993, 1.6MPa Working Pressure Rating

Marine Quick Closing Valve, GB/T5744-1993, 1.6MPa Working Pressure Rating

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Product Spotlights

Marine quick closing valve compliant with GB/T5744-1993 standard, rated for 1.6MPa working pressure. Designed for rapid emergency shut-off in marine piping systems, enhancing safety onboard vessels and offshore platforms. Manufactured with selected marine-grade materials, offering reliable performance, versatile configurations, and customization options. Supported by ISO9001 certified production and global export capability.

Negotiable MOQ: 20 Units (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Carbon steel, stainless steel, or other marine-grade alloys

Working Pressure Rating:

1.6MPa

Standard:

GB/T5744-1993

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Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

shanghai

Delivery Detail:

7 days

Product Details
Company Profile
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Material Carbon steel, stainless steel, or other marine-grade alloys

Working Pressure Rating 1.6MPa

Standard GB/T5744-1993

Connection Type Flanged or threaded, customizable

Size Range DN15 to DN500 (or custom sizes)

Application Marine piping systems, shipbuilding, offshore platforms

Function Quick emergency shut-off for fluid lines

Operation Manual, remote, or automatic actuation available

Sealing Metal-to-metal or soft seal, depending on model

As a professional manufacturer specializing in marine valve solutions, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to introduce our high-performance Marine Quick Closing Valve. Designed in strict compliance with the GB/T5744-1993 standard and rated for a 1.6MPa working pressure, this valve is engineered to provide reliable and rapid isolation in critical marine piping systems. Our focus on quality manufacturing, backed by our ISO9001 certified production processes, ensures that each valve meets the rigorous demands of shipbuilding, offshore platforms, and other marine applications where safety and operational integrity are paramount.

This valve is a vital safety component, designed to shut off fluid flow swiftly in emergency situations, preventing potential hazards and protecting equipment. We understand the challenges faced by marine engineers and operators, and our product is built to deliver durability, ease of operation, and long-term service in harsh maritime environments.

Key Features and Technical Specifications:

Robust Construction: Manufactured from selected materials such as carbon steel, stainless steel, or other corrosion-resistant alloys suitable for marine service. The body and internal components are designed to withstand seawater exposure, vibration, and pressure fluctuations.
Quick Closing Mechanism: The valve features a specially designed actuation system that allows for rapid closure, significantly reducing the time required to isolate a section of piping. This can be manual, remotely operated, or integrated with automatic control systems, depending on the customer's requirements.
High Pressure Rating: With a working pressure rating of 1.6MPa, the valve is suitable for a wide range of marine hydraulic systems, fuel lines, cooling circuits, and other pressurized fluid applications onboard vessels and offshore structures.
Standard Compliance: Adherence to the GB/T5744-1993 standard ensures compatibility with Chinese marine industry specifications and provides a benchmark for design, materials, and performance testing. This facilitates integration into new builds and retrofit projects.
Versatile Configurations: Available in various sizes (typically from DN15 to DN500) and connection types (flanged or threaded). Customizations are available upon request to meet specific layout or performance needs.
Reliable Sealing: Depending on the model and application, the valve employs either metal-to-metal seals for high-temperature/pressure services or resilient soft seals for general purposes, ensuring leak-tight closure after actuation.

Detailed Parameters Table:

Parameter	Specification / Description
Product Name	Marine Quick Closing Valve
Applicable Standard	GB/T5744-1993
Nominal Working Pressure	1.6 MPa
Common Size Range	DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN500 (Other sizes customizable)
Main Materials	Carbon Steel (WCB, etc.), Stainless Steel (304, 316, etc.), Duplex Steel, Other Marine-grade Alloys
Connection Ends	Flanged (RF, FF, RTJ), Threaded (NPT, BSPT, BSPP), Welding Ends (optional)
Actuation Method	Manual Lever, Handwheel, Remote Mechanical, Pneumatic, Hydraulic, Electric Actuation (options available)
Sealing Type	Metal Seat (for high temp/pressure), Soft Seat (PTFE, Rubber, etc.)
Typical Applications	Ship Engine Fuel Lines, Bilge Systems, Firefighting Systems, Cooling Water Lines, Hydraulic Systems, Offshore Platform Piping

Advantages and Client Benefits:

Enhanced Safety: The quick-closing function provides a critical safety response, helping to mitigate risks associated with leaks, fires, or system failures in marine environments.
Operational Reliability: Built with precision and tested under relevant conditions, the valve offers dependable performance, reducing unplanned downtime and maintenance costs.
Ease of Integration: Compliance with GB/T5744-1993 and availability in common sizes simplifies installation and compatibility with existing marine piping standards.
Customization Support: As a manufacturer, we can tailor valve specifications—including materials, size, actuation method, and accessories—to suit unique project requirements.
Global Supply Capability: With annual export values ranging between US$1 Million and US$1.5 Million, and major shipment ports including Shanghai, Guangzhou, Hongkong, and Beijing, we have established logistics to serve clients across North America, South America, Europe, Asia, Africa, and Oceania.

Trust and Commitment:

Established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has grown into a trusted supplier in the marine valve sector. Our ISO9001 certification underscores our commitment to systematic quality management. Serving a diverse global market from our base in Shanghai, China, we combine manufacturing expertise with an understanding of international marine industry needs. This Marine Quick Closing Valve represents our dedication to providing effective, standards-compliant safety solutions. For vessel builders, offshore operators, and marine system integrators seeking a reliable quick-closing valve rated at 1.6MPa, our product offers a compelling combination of performance, safety, and manufacturer support. Contact us to discuss your specific requirements or to request detailed technical documentation.

Frequently Asked Questions (FAQ):

Q: What exactly does "quick closing" mean for this valve?
A: "Quick closing" refers to the valve's design priority: to achieve full closure in a very short time, often within seconds, upon activation (manual or automatic). This is crucial for emergency isolation to prevent fluid release or system damage.
Q: Is the GB/T5744-1993 standard recognized internationally?
A: GB/T5744-1993 is a Chinese national standard for marine valves. While it is widely used in China's shipbuilding industry, many international projects accept valves meeting this standard, especially when sourcing from Chinese manufacturers or for vessels operating in regions where compatibility is required. We can also discuss compliance with other international standards if needed.
Q: Can this valve be used for other fluids besides water?
A: Yes, depending on the material selection. The valve can be configured for various fluids including fuel oils, hydraulic oil, seawater, chemicals, and gases. Material compatibility (e.g., stainless steel for corrosive fluids) must be specified during ordering.
Q: What are the available actuation methods?
A: We offer multiple options: manual operation via lever or handwheel; remote mechanical actuation through linkages; and automated methods using pneumatic, hydraulic, or electric actuators. The choice depends on your system's design and control requirements.
Q: How do I determine the correct size for my application?
A: The valve size should match the nominal diameter (DN) of your pipeline. Our common range covers from DN15 to DN500. Please provide your pipeline size, flow requirements, and pressure data; we can assist in selecting the appropriate size.
Q: What is the typical delivery time?
A: For standard models in common sizes, delivery can be relatively quick, depending on stock. For customized valves or large orders, production time will be confirmed based on specifications. Our multiple shipment ports facilitate efficient logistics.
Q: Does the valve come with any warranty or testing documentation?
A> As part of our ISO9001 quality system, valves undergo relevant inspections and tests. We provide basic test reports (like pressure tests) and offer a warranty against manufacturing defects. Specific certification documents can be provided upon request.
Q: Can you provide valves for retrofit projects on existing ships?
A> Absolutely. We often supply valves for retrofit and maintenance projects. Providing details of the existing piping (size, connection type, operating conditions) allows us to recommend a compatible valve model or propose a custom solution.