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Help CenterGB1850-84 Standard Marine Quick Closing Valve With Male Thread & Weight Actuator
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As a professional manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co.,ltd proudly presents our GB1850-84 Standard Marine Quick Closing Valve with Male Thread & Weight Actuator. Established in 2016, we have built a solid reputation by exporting high-quality marine valves to global markets, including North America, South America, Europe, Southeast Asia, and beyond. This valve is engineered for critical safety applications, offering rapid and reliable shut-off in marine piping systems to prevent accidents and protect valuable assets.
Our valve is designed to meet the stringent requirements of marine environments, ensuring operational safety and compliance. The core value lies in its fail-safe, automatic closure mechanism, which is vital for emergency situations. Key features and specifications include:
- Rapid Emergency Closure: The weight actuator triggers immediate valve closure upon system failure or manual release, isolating sections of the pipeline swiftly.
- Robust Construction: Manufactured from durable materials such as cast steel or stainless steel to withstand corrosive seawater and high pressures.
- Standard Compliance: Strictly adheres to the GB1850-84 national standard, ensuring interoperability and reliability in Chinese and international marine projects.
- Convenient Connection: The male thread design allows for straightforward installation and secure connection into standard marine piping systems.
- Low Maintenance Design: Built for longevity with minimal maintenance requirements, reducing lifecycle costs for ship operators.
- Versatile Application: Suitable for various marine and offshore applications including fuel oil lines, lubricating oil systems, cargo tank vent lines, and other critical services.
Below is a table outlining typical technical parameters (specifics can be customized upon request):
| Parameter | Description / Typical Value |
|---|---|
| Design Standard | GB1850-84 |
| Actuation Method | Weight Actuator (Gravity Fall) |
| Connection | Male Thread (NPT, BSPT, or as required) |
| Body Material | Cast Steel WCB, Stainless Steel CF8/CF8M |
| Seat Material | Stainless Steel, Enhanced Seal Options |
| Pressure Class | PN16, PN25, Class 150, Class 300 (Customizable) |
| Temperature Range | -20°C to +200°C (depending on material) |
| Port Size Range | DN15 to DN100 (1/2" to 4") or as per project |
The advantages of choosing our quick closing valve translate directly into tangible benefits for your operations:
- Enhanced Safety: Provides a critical layer of protection, automatically cutting off fluid flow in emergencies, thereby minimizing fire hazards and environmental spills.
- Regulatory Assurance: Compliance with GB1850-84 facilitates approval processes for shipbuilding and retrofitting projects, especially in markets recognizing this standard.
- Operational Reliability: The simple yet effective weight mechanism ensures closure even in the event of power loss, offering a dependable fail-safe solution.
- Cost-Effective Safety: Investing in reliable quick closing valves can prevent catastrophic losses, making it a cost-effective component for risk management.
- Global Supply Support: With annual export values between US$1 Million and US$1.5 Million and major shipment ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery and support for our international clients across North America, South America, Europe, Asia, Africa, and Oceania.
Trust in a manufacturer with a proven track record. Our ISO9001 certification underpins our commitment to consistent quality control in every valve we produce. The GB1850-84 Standard Marine Quick Closing Valve embodies our dedication to marine safety. It is not just a component; it's a safeguard for your vessels, crew, and cargo. Supported by our extensive export experience and global market reach, this product represents a reliable choice for shipyards, fleet operators, and marine equipment suppliers. We encourage you to contact us for detailed quotations, technical datasheets, or to discuss custom configurations tailored to your specific project requirements. Secure your systems with a valve built for performance and peace of mind.
Frequently Asked Questions (FAQ):
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Q: What is the primary function of this quick closing valve?
A: Its primary function is to provide rapid, automatic shut-off in marine piping systems during emergencies (e.g., pipe rupture, fire) to prevent the spread of hazardous fluids. -
Q: How does the weight actuator work?
A: The valve is held open by a latch mechanism. In an emergency, the latch is released (manually or automatically), allowing a weighted lever to fall. This weight forces the valve disc to rotate and close the flow passage securely. -
Q: Is this valve suitable for saltwater service?
A: Yes, when ordered with appropriate materials like stainless steel (e.g., CF8M/316), it offers excellent corrosion resistance for seawater applications. -
Q: Can the valve be customized for different thread standards?
A: Absolutely. While standard offerings include common thread types like NPT or BSP, we can customize the male thread connection to meet specific project specifications. -
Q: What maintenance does this valve require?
A: It requires minimal maintenance. Periodic visual inspection, functional testing of the release mechanism, and checking for seal integrity are recommended as part of routine ship maintenance schedules. -
Q: Does compliance with GB1850-84 limit its use outside China?
A: Not at all. The GB1850-84 standard is well-recognized. Many international marine projects accept or specify valves meeting this standard due to its rigorous safety requirements. -
Q: What is the typical lead time for orders?
A: Lead times vary based on order quantity and customization. Standard configurations typically have shorter lead times. We provide accurate timelines upon receipt of your detailed inquiry. -
Q: Do you provide technical support for installation?
A: Yes, we provide detailed installation manuals and are available for technical consultation to ensure proper installation and operation of the valve in your system.
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