Contact Platform Support
Help CenterBronze Swing Check Valve, Marine Seawater Circulation, Threaded NPT 1/2"-2", -20°C to 120°C Rating
Product Spotlights
Related Products
-
Marine Seawater Circulation Bronze Check Valve, Inline 200 PSI, 316SS Seat, ASTM B62 CompliantNegotiableMOQ: 1 Unit -
Bronze Check Valve for Marine Seawater, Full Bore DIN 3352, 304SS Spring, 150Lb FlangeNegotiableMOQ: 1 Unit
-
Bronze Check Valve for Marine Seawater Circulation Pipeline, Ideal for Offshore Platform Pumping SystemsNegotiableMOQ: 1 Unit
-
Bronze Dual Plate Check Valve, Seawater Circulation, Wafer Type 316SS, PN40, Sizes 2"-12"NegotiableMOQ: 1 Unit
-
Vertical Lift Check Valve for Hydraulic Station Oil Return Line SS316 1" 3000PSINegotiableMOQ: 1 Unit
Shanghai Zhibang Valve Manufacture Co., Ltd., an ISO9001-certified manufacturer established in 2016, proudly presents our Bronze Swing Check Valve designed specifically for marine seawater circulation systems. With threaded NPT connections ranging from 1/2" to 2" and a temperature rating of -20°C to 120°C, this valve offers reliable backflow prevention in harsh marine environments. Our commitment to quality and global export experience—spanning North America, Europe, Asia, and beyond—ensures that every valve meets rigorous standards for durability and performance.
This check valve features a bronze body that resists corrosion from seawater, while the swing disc design provides low-pressure drop and smooth operation. It is ideal for applications where seawater is the primary medium, such as ballast systems, cooling lines, and deck washdowns. Below we detail the key features, technical specifications, and benefits that make this valve a top choice for marine engineers.
Key Features & Benefits
- Corrosion-Resistant Bronze Construction: The valve body is made from high-quality bronze, which offers excellent resistance to seawater corrosion, extending service life in marine applications.
- Swing Disc Design: The swing disc allows for minimal flow resistance and quick response to reverse flow, ensuring efficient backflow prevention without excessive pressure drop.
- Threaded NPT Connections: Standard NPT threads (1/2" to 2") enable easy installation and compatibility with common piping systems, reducing installation time and costs.
- Wide Temperature Range: Rated for -20°C to 120°C, this valve can handle both cold seawater and heated circulating water, making it versatile for various marine processes.
- Low Maintenance: The simple swing mechanism requires minimal maintenance, and the durable materials reduce the need for frequent replacements.
- Customizable Options: Available with optional seal materials (e.g., PTFE, EPDM) and pressure ratings upon request, allowing adaptation to specific system requirements.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | Bronze (ASTM B62 or equivalent) |
| Connection Type | Threaded NPT (Female) |
| Size Range | 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" |
| Temperature Range | -20°C to +120°C (-4°F to 248°F) |
| Pressure Rating | Standard: 200 WOG (customizable upon request) |
| Seal Materials | PTFE, EPDM, NBR (optional) |
| Application | Marine seawater circulation, ballast systems, cooling water |
| Certification | ISO9001:2015 |
Why Choose Shanghai Zhibang Valve?
As a manufacturer with over 8 years of experience, we have supplied bronze valves to clients across 30+ countries, earning a reputation for reliable quality and competitive pricing. Our annual export value of US$1 million to US$1.5 million reflects the trust placed in us by the global marine industry. We ship from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics.
Every valve undergoes strict quality control under our ISO9001 management system. We also offer customization services—such as special pressure ratings, seal materials, or packaging—to meet your specific project requirements. Our team provides prompt technical support and after-sales service, making us your long-term partner in valve solutions.
Invest in the durability and efficiency of our Bronze Swing Check Valve for your marine seawater circulation needs. Contact us today for a quote or to discuss your specific application. We look forward to serving you!
Frequently Asked Questions (FAQ)
-
Q: Is this valve suitable for continuous seawater exposure?
A: Yes, the bronze construction is specifically chosen for its corrosion resistance in seawater environments. However, we recommend periodic inspection to ensure long-term performance. -
Q: Can this valve be used for other fluids like fresh water or oil?
A: While designed for seawater, the valve can handle fresh water, oil, and other non-aggressive fluids. For aggressive chemicals, please consult our engineering team for seal material recommendations. -
Q: What is the maximum working pressure?
A: The standard pressure rating is 200 WOG (water, oil, gas). Higher pressure ratings are available upon request—please specify your requirements when ordering. -
Q: Does the valve need to be installed horizontally or vertically?
A: The swing check valve can be installed in horizontal or vertical upward flow orientation. For vertical downward flow, a spring-loaded check valve is recommended. -
Q: What thread standards are used?
A: The connections are female NPT (National Pipe Thread) per ANSI B1.20.1. Ensure your piping has male NPT threads for compatibility. -
Q: Do you provide custom sizes or special materials?
A: Yes, we offer customization for size, pressure rating, seal material, and even alternative bronze alloys. Contact us with your specifications for a tailored solution. -
Q: What is the lead time for standard orders?
A: Standard sizes (1/2" to 2") are typically in stock and ship within 7-15 days after order confirmation. Larger quantities or custom orders may require 20-30 days. -
Q: How do you ensure product quality?
A: We are ISO9001 certified and conduct 100% pressure testing and inspection before shipment. Each valve comes with a test certificate upon request.
Send Inquiry to This Supplier
You May Also Like
-
Bronze Check Valve, Seawater Circulation, Used in Shipbuilding Cooling Water Systems, DurableNegotiableMOQ: 1 Unit
-
Bronze Check Valve for Seawater Pipeline, 2-Year Warranty, Pressure Tested, Reliable Backflow PreventionNegotiableMOQ: 1 Unit
-
Bronze Check Valve Marine Seawater Circulation, 1-Year Warranty, Mill Test Report Included, Standard CompliantNegotiableMOQ: 1 Unit
-
Dual Plate Check Valve PN40 With 316L Stainless Steel Disc for Industrial Water CirculationNegotiableMOQ: 1 Unit
-
Bronze Check Valve for Marine Seawater Circulation Pipeline, PN16 Flanged, 316SS Spring, DN50-DN200NegotiableMOQ: 1 Unit
-
304 Stainless Steel Dual Plate Check Valve PN16 for Industrial Cooling Water CirculationNegotiableMOQ: 1 Unit
-
Wafer Type Dual Plate Check Valve DN150 ANSI 150 for Cooling Water SystemNegotiableMOQ: 1 Unit
-
Lug Type Dual Plate Check Valve DN100 -20°C to 200°C for Cooling WaterNegotiableMOQ: 1 Unit
-
Dual Plate Check Valve API 6D Wafer Design for Industrial Cooling Water CirculationNegotiableMOQ: 1 Unit
-
Bronze Check Valve, Seawater Pipeline, Flanged PN10/16, Disc Type, 316 Stainless Steel TrimNegotiableMOQ: 1 Unit
