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Home > Industrial Equipment & Components > Valve > Other Valves & Parts > GB/T5744-1993 Marine Quick Closing Valve, Brass Material for Seawater Resistance

GB/T5744-1993 Marine Quick Closing Valve, Brass Material for Seawater Resistance

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Product Spotlights

GB/T5744-1993 compliant marine quick-closing valve made from seawater-resistant brass for critical emergency shut-off. Ensures rapid pipeline isolation, enhances onboard safety, and offers excellent corrosion resistance in harsh marine environments. Customizable connections and sizes. Backed by ISO9001 certified manufacturing and global export experience.

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

Key Specifications

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Material:

Brass (Seawater Resistant Grade)

Standard:

GB/T5744-1993

Valve Type:

Quick Closing (Quick Release)

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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 Brass (Seawater Resistant Grade)

Standard GB/T5744-1993

Valve Type Quick Closing (Quick Release)

Application Marine, Shipboard Piping Systems

Connection Type Flanged or Threaded (customizable)

Pressure Rating Available upon request

Size Range Customizable

Color Natural Brass Finish

As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-performance marine valves. Our GB/T5744-1993 Marine Quick Closing Valve, crafted from seawater-resistant brass, is engineered to meet the rigorous demands of shipboard piping systems. This valve ensures rapid isolation of fluid lines in emergency situations, enhancing onboard safety and operational reliability. With an annual export value ranging between US$1 Million and US$1.5 Million, we have built a strong reputation for quality and dependability, serving markets across North America, South America, Europe, Asia, Africa, and Oceania.

Product Features & Technical Advantages:

Superior Seawater Resistance: Manufactured from a specially selected brass alloy that offers excellent corrosion resistance against saltwater, preventing premature failure and ensuring long service life in harsh marine environments.
Rapid Emergency Shut-off: The quick-closing mechanism allows for near-instantaneous valve closure, critical for containing spills, managing system pressure surges, or isolating damaged sections of piping.
Compliance with GB/T5744-1993: Designed and produced in strict accordance with the Chinese national standard for marine quick-closing valves, ensuring dimensional accuracy, performance reliability, and interchangeability.
Robust Construction: Features a sturdy design with reinforced components to withstand high vibration, pressure fluctuations, and the mechanical stresses common in marine applications.
Versatile Configurations: Available in various connection types (flanged or threaded) and sizes to integrate seamlessly into different piping layouts. Specific pressure ratings and dimensions are customizable upon request.
Easy Operation and Maintenance: The actuation mechanism is designed for straightforward manual operation, and the valve's construction allows for easy inspection and maintenance, minimizing downtime.

Key Technical Specifications:

Parameter	Details
Primary Material	Seawater-Resistant Brass Alloy
Governing Standard	GB/T5744-1993
Valve Function	Quick Closing / Quick Release
Typical Connection Types	Flanged (FF, RF), Threaded (NPT, BSPT/BSPP)
Sealing Element	Resilient Seat (Material customizable)
Operation Mode	Manual Lever / Handle
Pressure & Size Range	Customizable based on application requirements

Benefits for Your Operations:

Enhanced Safety: Provides a reliable means to quickly cut off fluid flow, protecting personnel, equipment, and the marine environment from potential hazards.
Reduced Maintenance Costs: The corrosion-resistant brass construction minimizes wear from seawater, leading to fewer replacements and lower long-term maintenance expenses.
System Integrity: Helps maintain the integrity of critical piping systems by allowing for swift isolation of sections for repair or in case of a leak.
Regulatory Compliance: Using valves that meet recognized standards like GB/T5744-1993 can aid in meeting classification society and regulatory requirements for vessel construction and operation.
Global Supply Capability: With major shipment ports including Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure efficient logistics to support your projects worldwide.

Shanghai Zhibang Valve's commitment to quality is underscored by our ISO9001 certification, which governs our manufacturing processes. Our extensive experience supplying to diverse global markets—from Eastern Europe and Southeast Asia to North America and Africa—demonstrates our ability to meet international expectations. Choosing our GB/T5744-1993 Marine Quick Closing Valve means investing in a component that delivers critical safety performance, durability in corrosive conditions, and the backing of a certified manufacturer with proven export expertise. Contact us today to discuss your specifications and experience the reliability that has made us a trusted supplier in the marine industry.

Frequently Asked Questions (FAQ)

What is the primary purpose of this quick-closing valve?
This valve is designed for marine applications to allow for the rapid manual shut-off of pipelines carrying seawater or other fluids. Its main purpose is to provide an immediate means of isolation in emergency situations to prevent flooding, contain spills, or facilitate safe maintenance.
Why is brass used as the material for this marine valve?
A specific seawater-resistant brass alloy is chosen for its proven ability to withstand corrosion in saltwater environments. This material offers a good balance of strength, machinability, and corrosion resistance, making it suitable for long-term marine service.
Is this valve suitable for freshwater systems as well?
While optimized for seawater resistance, the valve's construction and materials also make it highly suitable for use in freshwater cooling systems, ballast systems, or other shipboard piping where reliable quick closure is required.
Can you provide valves with different connection standards?
Yes. While the product is built to the dimensional requirements of GB/T5744-1993, we can customize connection ends (such as flanges or threads) to meet other common standards (ANSI, JIS, DIN) or specific customer drawings upon request.
What is the typical lead time for an order?
Lead times vary based on order quantity and customization requirements. Standard configurations may have shorter lead times. We provide accurate delivery estimates upon receipt of your detailed inquiry.
Do you offer any other materials besides brass?
Our primary offering for this standard is brass. However, as a manufacturer, we have the capability to work with other materials like bronze or stainless steel for specific project needs. Please inquire for material alternatives.
How does the quick-closing mechanism work?
The valve typically features a lever or handle connected to a cam or quick-release mechanism. A swift quarter-turn or pull of the lever engages the mechanism, rapidly moving the valve disc to the closed position, sealing the flow path.
What after-sales support do you provide?
We provide technical documentation, including dimensional drawings and installation guidelines. For any operational issues, our technical team is available for consultation. Spare parts for wear components like seals are also available.