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As a leading manufacturer in the valve industry, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing robust and reliable fluid control solutions for demanding marine environments. Established in 2016, we have built a solid reputation for engineering valves that meet stringent international standards. Our Standard Compliant Marine Single Disc Wedge Gate Valve is engineered to deliver exceptional shut-off performance, durability, and ease of maintenance in critical shipboard and offshore applications. This valve is designed to withstand harsh saline conditions, high pressures, and demanding operational cycles, ensuring the safety and efficiency of your piping systems.
This valve features a classic rising stem design with a non-rotating single wedge disc, which provides a tight, bubble-tight seal when fully closed. The wedge design ensures uniform sealing pressure across the entire seat surface, minimizing wear and extending service life. Constructed from high-grade materials, it is built to resist corrosion and erosion common in marine service.
- Superior Sealing Performance: The precision-machined wedge disc and seat rings ensure a reliable, leak-proof seal, even after numerous operating cycles.
- Robust Construction: Manufactured from certified cast steel or ductile iron with appropriate trim materials (like stainless steel) for enhanced corrosion resistance.
- Easy Operation & Maintenance: Features a standard handwheel or optional gear operator for smooth opening and closing. The bolted bonnet design allows for straightforward internal inspection and part replacement.
- Comprehensive Spare Gasket Kit: Each valve is supplied with a dedicated spare gasket kit, including bonnet gaskets and stem packing, to facilitate quick on-site maintenance and reduce downtime.
- Versatile Applications: Ideal for isolation service in seawater cooling lines, ballast systems, fuel oil lines, bilge systems, and general shipboard piping.
To provide a clear overview of the technical specifications, please refer to the table below:
| Parameter | Specification |
|---|---|
| Design & Manufacturing Standard | API 600, API 6D, ISO 10434 |
| Pressure Class | ANSI Class 150, 300 (Others available upon request) |
| Size Range (Nominal) | DN50 to DN600 (2" to 24") |
| End Connection | RF (Raised Face) Flanged, FF (Flat Face) optional |
| Body Material | WCB, LCB, Ductile Iron |
| Trim Material (Seat/Disc) | 13% Cr, SS304, SS316, Monel (Customizable) |
| Stem Material | SS410, SS304, SS316 |
| Test Standards | API 598, ISO 5208 |
The primary advantage of choosing our marine gate valve is the long-term operational reliability it offers. By integrating high-quality materials with precision machining, we minimize the risk of in-service failures. The inclusion of a spare gasket kit underscores our commitment to customer support, enabling vessel operators to perform essential maintenance without waiting for spare parts, thereby enhancing operational readiness. Furthermore, compliance with major international standards like API and ISO ensures global acceptance and simplifies the procurement process for shipyards and fleet operators.
Backed by our ISO9001 certified quality management system, every valve undergoes rigorous testing, including shell test, seat test, and backseat test, before shipment. With an annual export value ranging between US$1 Million and US$1.5 Million, our products have gained the trust of clients across North America, South America, Europe, Asia, Africa, and Oceania. We ship from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely and flexible delivery to your project site. For your next marine or offshore project, choose a valve partner that combines proven engineering with practical support. Contact us today for a quotation or to discuss your specific requirements.
Frequently Asked Questions (FAQ)
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Q: What standards does this marine gate valve comply with?
A: Our valve is designed and manufactured in accordance with key industry standards such as API 600 (for steel valves), API 6D (for pipeline valves), and ISO 10434. It is also tested to API 598 or ISO 5208 standards. -
Q: Is the included spare gasket kit specific to this valve model?
A: Yes, the spare gasket kit contains gaskets and packing specifically sized and matched for the valve you purchase, ensuring a perfect fit during maintenance. -
Q: Can this valve be used for throttling flow control?
A: No, gate valves are designed primarily for isolation (fully open or fully closed). Using them for throttling can cause vibration, cavitation, and accelerated seat/disc wear. -
Q: What are the available actuator options?
A: The valve is supplied with a standard handwheel. Electric, pneumatic, or hydraulic actuators can be provided as optional accessories upon request. -
Q: How do I determine the correct material grade for my application?
A: Material selection depends on the fluid media, temperature, pressure, and corrosion requirements. Common choices are WCB for general service and stainless steel trim for corrosive seawater. Our engineering team can assist you in selection. -
Q: What is the typical delivery lead time?
A: Lead time varies based on size, material, and quantity. Standard configurations typically have shorter lead times. Please contact our sales team for an accurate schedule. -
Q: Do you provide documentation like material certificates and test reports?
A: Yes, we provide a comprehensive documentation package, including material test certificates (MTC), pressure test reports, and certificates of conformity, as part of our standard delivery. -
Q: Are modifications or special designs possible?
A: Absolutely. We offer customization services for special face-to-face dimensions, extended stems for insulation, special coatings, and other non-standard requirements.
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