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Help CenterABS NK Certified Pneumatic Marine Gate Valve, DN50 to DN200, Flanged Ends
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As a dedicated manufacturer with a strong commitment to maritime safety and reliability, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our range of ABS NK Certified Pneumatic Marine Gate Valves. Established in 2016 and backed by an ISO9001 certified quality management system, we have built a solid reputation for delivering robust fluid control solutions to global markets across North America, Europe, Asia, and beyond. This specific valve series, designed for DN50 to DN200 pipelines with flanged ends, embodies our expertise in creating components that meet the stringent demands of marine and offshore applications. Its core value lies in providing a reliable, remotely operable shut-off mechanism that enhances operational safety and efficiency in challenging environments.
Our valve is engineered for precise control and long-term durability in seawater, ballast, fuel, and other shipboard systems. The pneumatic actuation allows for integration into automated control panels, enabling quick response and reducing manual labor. Key features include:
- ABS NK Certification: Independently verified by the American Bureau of Shipping, ensuring compliance with critical marine standards for materials, design, and performance.
- Corrosion-Resistant ABS Body: The Acrylonitrile Butadiene Styrene construction offers excellent resistance to saltwater corrosion, chemicals, and impact, contributing to a longer service life.
- Pneumatic Actuator: Provides reliable, fail-safe operation. Options for double-acting or spring-return models are available to suit specific system requirements.
- Flanged Connection (DN50-DN200): Ensures a secure, leak-proof fit to standard pipeline flanges, facilitating easy installation and maintenance.
- Full Port Design: Minimizes pressure drop and allows for efficient fluid flow, which is crucial for pumping systems.
- Robust Seat and Seal: Customizable sealing materials (like EPDM or Viton) are available to ensure tight shut-off against various media.
The technical specifications and benefits are detailed below:
| Parameter | Details | Client Benefit |
| Size Range | DN50, DN65, DN80, DN100, DN125, DN150, DN200 | Versatility for various pipeline diameters on vessels. |
| Pressure Rating | Customizable (e.g., PN10, PN16, Class 150) | Tailored to match specific system pressure requirements. |
| Actuator Air Supply | Standard: 4-7 bar (58-102 psi) | Compatible with standard shipboard pneumatic systems. |
| Body Material | ABS (Acrylonitrile Butadiene Styrene) | Superior corrosion resistance reduces maintenance costs. |
| Operation Time | Typically 2-10 seconds (depends on size) | Ensures rapid response in control scenarios. |
| Ambient Temperature | Available upon request | Suitable for diverse climatic conditions. |
For clients, this translates into tangible advantages: enhanced safety through certified components, reduced operational downtime due to reliable performance, lower total cost of ownership from durable materials, and increased system automation for improved efficiency. Whether for newbuild projects or retrofitting existing fleets, this valve provides a trustworthy solution.
Shanghai Zhibang's commitment to quality is demonstrated by our ISO9001 certification and successful export track record, with annual export values ranging between US$1 Million and US$1.5 Million. Our products reach key maritime regions worldwide, shipped efficiently from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. This valve is not just a component; it's a product of rigorous manufacturing standards designed to withstand the rigors of marine service. We encourage shipyards, system integrators, and vessel operators to contact us for detailed quotations or to discuss custom requirements. Partner with a manufacturer that understands the critical nature of marine fluid control.
Frequently Asked Questions (FAQ)
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What does "ABS NK Certified" mean for this valve?
ABS NK Certification indicates that the valve's design, materials, and manufacturing process have been reviewed and approved by the American Bureau of Shipping (ABS) or Nippon Kaiji Kyokai (NK), leading marine classification societies. This is often a mandatory requirement for valves used on classified vessels to ensure safety and regulatory compliance. -
Is the valve suitable for seawater applications?
Yes. The ABS body material is specifically chosen for its excellent corrosion resistance against seawater. Additionally, the sealing materials can be selected (e.g., EPDM) to be compatible with seawater, making it well-suited for ballast, cooling, and other seawater systems. -
Can you provide valves with different flange standards (e.g., ANSI, JIS)?
Yes. While the standard offering is for common DIN or ISO flanges, we can manufacture valves with flanges conforming to ANSI, JIS, or other standards based on your specific project drawings and requirements. -
What is the lead time for an order of DN100 valves?
Lead times vary based on order quantity and specific configurations. Generally, for standard DN100 valves, production can be completed within a few weeks. We provide accurate lead time estimates upon receipt of a formal inquiry or purchase order. -
Do you offer a manual override on the pneumatic actuator?
Yes, a manual override feature is available as an option. This allows for manual operation of the valve in case of pneumatic system failure, which is a valuable safety and maintenance feature. -
What is the expected service life of this valve in marine conditions?
With proper installation and maintenance, the valve is designed for a long service life. The corrosion-resistant ABS body and quality internal components contribute to reliable performance over many years, even in harsh marine environments. Specific lifespan depends on operating conditions like pressure, temperature, and media. -
Can the valve be used with media other than water?
Absolutely. While ideal for water-based fluids, it can handle other compatible liquids and mild chemicals. The key is selecting the appropriate seat and seal material (like Viton for oils/fuels) during the ordering process to ensure chemical compatibility. -
What documentation accompanies the valve?
Each valve typically comes with a material certificate, test report (pressure test), and the ABS NK Certificate (if applicable). Detailed operation manuals and drawings are also provided. Additional documentation can be supplied as requested.
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