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Help CenterGB/T5744-1993 Marine Quick Closing Valve Compliant With Marine Safety Standards
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As a dedicated manufacturer of industrial valves, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our high-performance Marine Quick Closing Valve, engineered to meet the stringent requirements of the GB/T5744-1993 standard. This valve is a critical safety component designed for rapid isolation of fluid lines in marine and offshore applications, where reliability and immediate response are non-negotiable. Our commitment to quality, backed by ISO9001 certification, ensures that every valve we produce offers dependable protection for shipboard systems, crew, and the marine environment. We understand the demanding conditions at sea, and our valve is built to withstand them, providing shipbuilders, repair yards, and vessel operators with a robust safety solution they can trust.
The core function of the Zhibang Marine Quick Closing Valve is to provide instantaneous closure of pipelines in emergency situations, such as fire or major leakage. This swift action is vital for containing hazards and preventing escalation. The valve's design prioritizes both rapid actuation and a secure, leak-tight seal when closed.
Key Features and Technical Advantages:
- Compliant Design: Manufactured in strict accordance with the Chinese national standard GB/T5744-1993, which specifies the technical requirements for marine quick-closing valves, ensuring compatibility with maritime safety regulations.
- Rugged Construction: Available in a selection of durable materials including bronze, cast iron, and stainless steel to combat corrosion from seawater, bilge water, fuel, and other shipboard fluids.
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Multiple Actuation Options: Designed to integrate seamlessly into various control systems:
- Manual: For local, direct operation with a clear open/close indicator.
- Pneumatic: Enables remote operation from the ship's control room for centralized safety management.
- Hydraulic: Provides high-force actuation suitable for larger valve sizes or high-pressure lines.
- Versatile Installation: Offered with flanged, threaded, or welded end connections to match existing pipeline configurations in engine rooms, fuel systems, cargo tanks, and fire mains.
- Fail-Safe Operation: Engineered to close automatically upon loss of control signal or power (for pneumatic/hydraulic models), or via a manual emergency trip, guaranteeing a safe state in system failures.
Technical Specifications Overview:
| Parameter | Specification Range |
| Standard | GB/T5744-1993 |
| Nominal Diameter (DN) | 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300 |
| Pressure Rating (PN) | 10, 16, 25, 40 |
| Suitable Media | Seawater, Fresh Water, Fuel Oil, Lubricating Oil |
| Operating Temperature | -20°C to +120°C |
| Body Material | Bronze (C95800), Cast Iron (HT250), Stainless Steel (CF8/CF8M) |
| Closure Time | Typically less than 5 seconds (actuator dependent) |
Benefits for Your Marine Operations:
- Enhanced Safety Compliance: Using a valve that meets GB/T5744-1993 aids in fulfilling statutory safety requirements for vessels, potentially smoothing classification society surveys.
- Asset and Environmental Protection: Minimizes the risk of extensive damage from fire or pollution by allowing for the swift isolation of compromised systems.
- Operational Reliability: Robust construction and fail-safe design reduce unplanned downtime and maintenance needs in critical systems.
- Flexible Integration: The range of sizes, materials, and actuation methods allows for precise selection to fit specific application needs, from small service lines to large main pipelines.
- Reduced Liability: Implementing recognized safety equipment demonstrates due diligence in protecting crew, cargo, and the marine environment.
Frequently Asked Questions (FAQ):
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What is the primary purpose of this quick closing valve?
Its primary purpose is to allow for the rapid shut-off of pipelines on ships and offshore platforms in emergency scenarios, such as fire breakout or a major pipe failure, to prevent the spread of hazardous fluids. -
Is this valve suitable for fuel oil lines?
Yes, when ordered in the appropriate material (such as cast iron or stainless steel), it is designed to handle fuel oil, lubricating oil, seawater, and other common marine fluids. -
How is the valve activated?
Activation can be manual via a hand lever or wheel, or remote via pneumatic or hydraulic actuators. The choice depends on the system design and safety protocol requirements. -
Can you provide valves with specific flange standards like JIS or ANSI?
Yes, while standard offerings comply with GB standards, flanges can be customized to meet JIS, ANSI, DIN, or other international standards upon request to suit the vessel's specifications. -
What is the typical delivery time for an order?
Delivery time varies based on order quantity, specification complexity, and material availability. Standard configurations typically have shorter lead times. Please contact us with your specific requirements for an accurate schedule. -
Do you offer technical support for installation and integration?
We provide detailed installation manuals and dimensional drawings. Further technical support for system integration can be arranged based on the project's scope. -
Are spare parts like seals and gaskets available?
Yes, we maintain an inventory of critical spare parts to ensure the long-term serviceability of our valves, minimizing vessel downtime for maintenance. -
What quality assurance measures are in place?
Our manufacturing process is certified under ISO9001. Valves undergo pressure testing, functional checks, and material verification before shipment to ensure performance as specified.
Shanghai Zhibang Valve Manufacture Co., Ltd. brings nearly a decade of specialized manufacturing experience to the global maritime industry. Our annual export value, ranging between US$1 Million and US$1.5 Million, is a testament to the trust placed in us by partners across North America, South America, Europe, Asia, Africa, and Oceania. This global reach, supported by efficient logistics from major ports like Shanghai, Guangzhou, and Hong Kong, means we understand the diverse requirements of international maritime safety standards. We are not just a supplier; we are a partner committed to enhancing marine safety through reliable, compliant valve solutions. For a detailed quotation, technical drawings, or to discuss your specific application, contact our team today to ensure your vessel's safety systems are equipped with dependable quick-closing valves.
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