ALL CATEGORIES

Seller Center
- Product Management
  
  Post Product
  
  Manage Products
  
  Featured Products
- Blog Management
  
  Post Blog Article
  
  Manage Blog Articles
  
  Manage Blog Categories
- Inquiry Management
  
  My Inquiries
  
  Buying Requests
- Analytics Center
  
  Performance Dashboard
  
  Product Analytics
  
  Visitor Analytics
Connect Your Store to WeChat

Follow Our Official Service Account
Manage Products & Inquiries Anywhere
Seller Services

Seller Services

Goldsupplier.com: 20 years of Global Trade Expertise, Empowering Your Business to Go Global!

Join GoldSupplier.com

Free & Instant Registration

Showcase Company & Products

Access Global Buying Requests

Register Now

Activate Verified Supplier Membership

Priority Verified Visibility

Claim Exclusive Buying Requests

Automated Multi-language Store

Verified Now

Launch Your EasyOcean Website

Full-Service Website Management

Google Page 1 Guarantee

Enhanced Brand Credibility

Launch Now
Buyer Services
Post Buying Request

Browse Product Categories

Featured Suppliers
Contact Platform Support

Help Center

Home > Industrial Equipment & Components > Valve > Other Valves & Parts > GB/T5744-1993 Marine Quick Closing Valve With Pneumatic Actuator

GB/T5744-1993 Marine Quick Closing Valve With Pneumatic Actuator

GB/T5744-1993 Marine Quick Closing Valve With Pneumatic Actuator thumbnail-3

GB/T5744-1993 Marine Quick Closing Valve With Pneumatic Actuator thumbnail-4

GB/T5744-1993 Marine Quick Closing Valve With Pneumatic Actuator thumbnail-5

GB/T5744-1993 Marine Quick Closing Valve With Pneumatic Actuator photo-1

GB/T5744-1993 Marine Quick Closing Valve With Pneumatic Actuator photo-2

GB/T5744-1993 Marine Quick Closing Valve With Pneumatic Actuator photo-3

GB/T5744-1993 Marine Quick Closing Valve With Pneumatic Actuator photo-4

GB/T5744-1993 Marine Quick Closing Valve With Pneumatic Actuator photo-5

Product Spotlights

GB/T5744-1993 compliant marine quick closing valve with pneumatic actuator ensures rapid, automatic pipeline isolation in emergencies for ship safety. Features fail-safe spring-return design, robust corrosion-resistant construction for harsh marine environments, and easy integration into ESD systems. ISO9001-certified manufacturer with global export experience provides reliable, customizable solutions for fuel, oil, and water systems.

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

Key Specifications

Get Latest Price

Standard:

GB/T5744-1993

Actuator Type:

Pneumatic Actuator

Valve Type:

Quick Closing Valve

Contact Supplier Request Quote Chat Now

Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

shanghai

Delivery Detail:

7 days

Product Details
Company Profile
Contact Us

Standard GB/T5744-1993

Actuator Type Pneumatic Actuator

Valve Type Quick Closing Valve

Application Marine and Offshore Systems

Connection Type Flanged (Standard), Optional Threaded

Body Material Cast Steel, Ductile Iron, Stainless Steel

Seat Material Metal Seat, Optional Soft Seat

Operating Pressure PN10 to PN40 (Customizable)

Temperature Range -20°C to 200°C (Depending on material)

As a dedicated manufacturer of industrial valves since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our GB/T5744-1993 compliant Marine Quick Closing Valve with Pneumatic Actuator. Engineered for critical safety applications in maritime environments, this valve is designed to provide rapid and reliable isolation of pipelines in emergency situations, protecting personnel, equipment, and the vessel itself. Our commitment to quality, backed by ISO9001 certification, ensures that every valve meets stringent performance standards, offering peace of mind for shipbuilders, offshore operators, and marine system integrators worldwide.

This valve combines robust construction with advanced pneumatic actuation to deliver fail-safe operation. The core design principle is rapid closure upon receiving a signal, which is essential for managing hazards such as fire, flooding, or overpressure in fuel, oil, ballast, and other vital shipboard systems. Its compliance with the Chinese national standard GB/T5744-1993 for marine quick-closing valves guarantees its suitability for vessels requiring adherence to specific maritime safety regulations.

Key Features and Technical Advantages:

Rapid Emergency Response: The pneumatic actuator enables closure times typically within a few seconds, significantly faster than manual operation, which is crucial for mitigating emergency scenarios.
Fail-Safe Design: Configured as "spring-return" or "air-to-open, spring-to-close," ensuring the valve automatically closes to a safe position in case of air supply failure or upon receiving an emergency shutdown (ESD) signal.
Robust Construction: Manufactured from high-grade materials like cast steel, ductile iron, or stainless steel to withstand harsh marine conditions, including saltwater corrosion, vibration, and extreme pressures.
Versatile Application: Suitable for a wide range of media including fuel oil, lubricating oil, fresh water, sea water, and compressed air on tankers, cargo ships, offshore platforms, and naval vessels.
Easy Integration: The valve can be integrated into central emergency shutdown systems, fire alarm systems, or local control panels, allowing for remote or automated operation.
Low Maintenance: Simple and durable design with minimal moving parts reduces the need for frequent maintenance, ensuring long-term reliability and lower lifecycle costs.

Detailed Technical Specifications:

Parameter	Specification / Option
Design Standard	GB/T5744-1993 (Equivalent to common marine standards)
Valve Type	Gate Valve or Globe Valve (Quick Closing Mechanism)
Actuation	Double-acting or Spring-return Pneumatic Actuator
Nominal Diameter (DN)	DN50 to DN300 (Custom sizes available)
Nominal Pressure (PN)	PN10, PN16, PN25, PN40
Body Material	WCB (Cast Carbon Steel), CF8/CF8M (Stainless Steel), Ductile Iron
Seat & Seal Material	Stainless Steel, Hardened Alloy; Optional PTFE, NBR
Connection	Flanged (RF, RTJ), Threaded (NPT, BSPT/BSPP)
Operating Air Pressure	0.4 - 0.7 MPa (Standard), other ranges customizable
Ambient Temperature Range	-20°C to +60°C (Actuator)
Media Temperature Range	-20°C to +200°C (Depending on seal material)
Surface Treatment	Epoxy Coating, Galvanized, or as per customer request

Benefits for Our Clients:

Enhanced Safety Compliance: Facilitates compliance with international maritime safety codes (SOLAS) and classification society rules (ABS, DNV, LR, etc.) by providing certified quick-closing solutions.
Operational Reliability: Minimizes the risk of human error in emergencies through automated, signal-triggered closure, ensuring consistent and dependable performance.
Cost-Effective Safety: Provides a critical safety function that can prevent catastrophic losses, offering a high return on investment through asset and environmental protection.
Global Supply Chain Support: With annual exports valued between US$1-1.5 million and shipments from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to key markets across North and South America, Europe, Asia, Africa, and Oceania.

Trust in Shanghai Zhibang Valve, an ISO9001-certified manufacturer with nearly a decade of experience, to be your reliable partner for marine safety equipment. Our valves are proven in diverse global markets, from Eastern Europe to Southeast Asia and the Americas. We combine rigorous manufacturing controls with a deep understanding of marine applications to deliver products that perform when it matters most. For a safety-critical component that cannot afford to fail, choose our GB/T5744-1993 Marine Quick Closing Valve. Contact us today to discuss your specific project requirements, request a detailed quotation, or arrange for product samples.

Frequently Asked Questions (FAQ)

Q: What is the primary purpose of this quick closing valve?
A: Its primary purpose is to provide rapid, automatic isolation of a pipeline in emergency situations onboard ships or offshore installations, such as fire or major leakage, to prevent hazard escalation and ensure safety.
Q: How quickly does the valve close upon receiving a signal?
A> Closure time is a critical parameter. Typically, our pneumatically actuated valves can achieve full closure within 2 to 10 seconds, depending on valve size and actuator configuration. Specific timing can be tailored to meet project specifications.
Q: Is this valve suitable for use with fuel oil?
A: Yes, absolutely. It is commonly used for fuel oil, lubricating oil, and other flammable media. The material selection (e.g., cast steel body, metal seats) can be specified to ensure compatibility and fire-safe performance if required.
Q: Can it be operated manually if the pneumatic system fails?
A: Many models are equipped with a manual override feature, such as a handwheel or lever on the actuator, allowing for manual operation in case of pneumatic system maintenance or failure, ensuring operational flexibility.
Q: Do you provide valves with certifications from marine classification societies?
A> While our standard production follows GB/T5744-1993 and ISO9001 quality systems, valves for specific projects can be manufactured and tested according to the requirements of major classification societies like ABS, DNV, BV, or LR. This is available upon request and typically involves additional testing and documentation.
Q: What is the difference between double-acting and spring-return actuators for this application?
A: A spring-return (single-acting) actuator uses air to open and a spring to close, providing inherent fail-safe closure. A double-acting actuator uses air to both open and close, requiring air pressure to hold any position. For safety-critical quick closing, spring-return is the most common and recommended choice.
Q: What information do you need to provide a quotation?
A: To provide an accurate quote, we typically require: Nominal Size (DN), Pressure Rating (PN), Body and Seat Material, Connection Standard, Actuator Type (spring-return/double-acting), required air pressure, any specific certification needs, and the intended application/media.
Q: What is your lead time for standard orders?
A: Lead times vary based on order quantity, specification complexity, and current production schedule. For standard configurations, typical lead times range from 4 to 8 weeks. We recommend contacting our sales team for the most current schedule information.