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Help CenterSwing Check Valve Flanged Type For Municipal Water Distribution Pipeline System
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Shanghai Zhibang Valve Manufacture Co., Ltd., a professional valve manufacturer established in 2016, proudly presents our Flanged Swing Check Valve specifically designed for municipal water distribution pipeline systems. With over 7 years of manufacturing experience and an annual export value exceeding US$1 million, we ensure every valve meets rigorous quality standards. Our check valve prevents backflow effectively, safeguarding your water network from contamination and pressure surges.
This swing check valve features a flanged connection for easy installation and maintenance. It is built to handle the demanding conditions of municipal water supply, providing reliable, long-term performance. The valve's simple yet robust design minimizes pressure drop and ensures quiet operation, making it an ideal choice for water treatment plants, pumping stations, and distribution networks.
Key Features & Technical Specifications
- Durable Construction: Body available in cast iron, ductile iron, or carbon steel, with optional stainless steel trim for corrosive environments.
- Flanged Ends: Conforms to EN 1092, ASME B16.5, or other standards upon request, ensuring leak-tight sealing.
- Disc Design: Heavy-duty swing disc with a low moment of inertia, allowing rapid closure without water hammer.
- Seat Materials: Replaceable seat rings in NBR, EPDM, or Viton, providing excellent wear resistance and sealing capability.
- Pressure Ratings: Available in PN10, PN16, and Class 150, fully compatible with standard municipal systems.
- Face-to-Face Dimensions: Manufactured to EN 558, API 594, or BS 1868, ensuring interchangeability.
- Temperature Range: Standard -10°C to +120°C; higher temperature options available upon request.
- Testing: 100% hydrostatic shell test and seat leakage test in accordance with ISO 5208.
| Parameter | Standard Range | Customization |
|---|---|---|
| Size (DN) | 50 – 600 | Up to DN1200 on request |
| Pressure Rating | PN10 / PN16 / Class 150 | PN25 or Class 300 available |
| Body Material | Cast Iron (GG25), Ductile Iron (GGG40/50) | Carbon Steel (WCB), Stainless Steel (CF8M) |
| Trim Material | Stainless Steel (SS304/SS316) | Duplex, Monel, etc. |
| Seal Material | NBR (Buna-N) | EPDM, Viton, PTFE |
| Flange Standard | EN 1092-2 (PN10/16) | ASME B16.5, JIS B2238 |
Advantages for Municipal Water Systems
- Prevents Backflow Contamination: The swing disc closes automatically when flow reverses, stopping polluted water from entering the clean supply.
- Low Pressure Drop: Full bore design with minimal obstruction reduces energy consumption in pumping stations.
- Low Maintenance: Few moving parts and a robust hinge pin design ensure long service life with minimal intervention.
- Quiet Operation: The disc is damped by the fluid, reducing slam and water hammer noise.
- Easy Installation: Flanged ends allow quick bolting between pipe flanges, reducing downtime.
- Versatile Applications: Suitable for potable water, raw water, wastewater, and irrigation networks.
Trust & Reliability
Shanghai Zhibang Valve Manufacture Co., Ltd. has been serving global markets since 2016, exporting to North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our factory is ISO9001 certified, ensuring consistent quality management throughout production. Each valve undergoes rigorous testing, including hydrostatic pressure test and seat leakage test, before shipment. We offer a 12-month warranty against manufacturing defects, backed by our professional after-sales team.
With a strong supply chain and flexible production capacity, we can deliver large orders on time. Our valves are used in numerous municipal water projects worldwide, earning trust from engineers and contractors. We also provide customization services, including special coatings, extended stem, and actuator mounting for automation.
Choose Shanghai Zhibang as your reliable partner for check valves. Contact us today for a quotation or technical consultation. We are committed to providing high-quality products that meet your specific requirements.
Frequently Asked Questions
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Q: What is the difference between a swing check valve and a lift check valve?
A: A swing check valve uses a disc that pivots on a hinge, allowing full flow when open and closing when flow reverses. It is ideal for low-pressure drop applications. A lift check valve uses a disc that moves vertically, requiring higher pressure to open, and is better for vertical piping. -
Q: Can this valve be installed horizontally or vertically?
A: The swing check valve is designed for horizontal installation with the disc hanging vertically. For vertical upward flow, a spring-loaded check valve is recommended. However, our flanged swing check can be used in vertical lines with upward flow if the disc is assisted by gravity (flow direction must be upward). Please consult our technical team for specific conditions. -
Q: What materials are available for the seat?
A: Standard seat material is NBR (Buna-N) for water and wastewater. For higher temperature or chemical resistance, we offer EPDM (up to 120°C) and Viton (up to 200°C). PTFE lined seats are available for aggressive media. -
Q: Do you provide certificates for material and pressure test?
A: Yes, we can provide material certificates (EN 10204 3.1 or 3.2) and hydrostatic test reports upon request. Our valves are tested according to ISO 5208. -
Q: What is the typical lead time for bulk orders?
A: For standard sizes (DN50-DN300) and common materials, lead time is 15-25 working days. For larger sizes or special materials, it may be 30-45 working days. We can expedite for urgent orders. -
Q: Can I get a sample valve before placing a large order?
A: Yes, we offer sample orders. The sample cost and shipping will be discussed. For first-time customers, we usually provide a sample at a reduced price to demonstrate quality. -
Q: Does the valve comply with international standards?
A: Our flanged swing check valves are designed to meet EN 558, API 594, and BS 1868 face-to-face dimensions. Flange drilling conforms to EN 1092 or ASME B16.5. We can also manufacture to other standards as per your requirements. -
Q: Is there an option for a non-return valve with a lever and weight?
A: Yes, we can supply a swing check valve with an external lever and adjustable weight for applications where faster closing or reduced water hammer is needed. This is a customization option.
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