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Help CenterDuctile Iron Swing Check Valve DN200 PN10 With EPDM Seal For Municipal Water
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Shanghai Zhibang Valve Manufacture Co., Ltd. introduces our Ductile Iron Swing Check Valve DN200 PN10 with EPDM Seal, specifically engineered for municipal water systems. As a trusted manufacturer since 2016, we combine robust ductile iron construction with a reliable EPDM seal to ensure long-lasting, leak-free performance. This swing check valve is designed to prevent backflow efficiently, protecting your water supply infrastructure while minimizing pressure loss. With ISO9001 certification and a global export presence, our valves meet the highest standards of quality and durability.
Our swing check valve features a disc that swings freely on a hinge, allowing flow in one direction and closing automatically when flow reverses. The ductile iron body provides excellent strength and corrosion resistance, while the EPDM seal offers superior flexibility and resistance to water, chemicals, and temperature variations. Rated for DN200 (8-inch) nominal diameter and PN10 (10 bar) working pressure, this valve is ideal for municipal water treatment, distribution networks, and wastewater applications.
Key Features & Technical Specifications
- Body Material: Ductile Iron (ASTM A536 65-45-12) – high tensile strength and impact resistance
- Disc Material: Ductile Iron with EPDM lining – durable and corrosion-proof
- Seal Material: EPDM (Ethylene Propylene Diene Monomer) – excellent for water and mild chemical applications
- Size: DN200 (8 inch)
- Pressure Rating: PN10 (10 bar / 145 psi)
- Connection: Flanged ends (DIN 2501 / ANSI B16.5 optional)
- Operation: Automatic, non-return
- Installation: Horizontal or vertical (flow direction upward)
| Parameter | Value |
| Nominal Diameter | DN200 (8 inch) |
| Pressure Rating | PN10 (10 bar) |
| Shell Test Pressure | 15 bar (1.5 x PN10) |
| Seal Test Pressure | 11 bar (1.1 x PN10) |
| Operating Temperature | -10°C to +80°C (EPDM) |
| Flange Standard | DIN 2501 (optional ANSI, JIS) |
| Face-to-Face Dimension | EN 558-1 Series 48 (or as per order) |
Benefits for Municipal Water Systems:
- Prevents backflow – protects pumps and equipment from reverse flow damage
- Low pressure drop – full bore design minimizes flow resistance
- Corrosion resistant – ductile iron with epoxy coating (optional) ensures long service life in water environments
- Quiet operation – smooth disc movement reduces water hammer
- Easy maintenance – accessible internal parts for inspection and cleaning
- Customizable – available with different flange drilling, coating colors, and lever/weight options
Our manufacturing process adheres to strict quality control under ISO9001:2015 certification. Each valve undergoes hydrostatic testing and seat leakage testing before shipment. We also offer optional third-party inspection (e.g., SGS, BV) upon request.
Trust Shanghai Zhibang Valve – Your Reliable Partner
Founded in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. has grown into a professional valve supplier with an annual export value of US$1 million to US$1.5 million. Our products are shipped to North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. We are committed to delivering high-quality valves at competitive prices with punctual delivery. Our experienced team provides technical support, after-sales service, and flexible customization to meet your project requirements. Choose our Ductile Iron Swing Check Valve for reliable performance and peace of mind.
Frequently Asked Questions
-
Q: Can this valve be installed horizontally?
A: Yes, the swing check valve can be installed in horizontal pipelines with the disc hinged at the top. It can also be installed vertically if the flow direction is upward. -
Q: Is the EPDM seal suitable for hot water?
A: EPDM is recommended for water temperatures up to 80°C. For higher temperatures, alternative seal materials like NBR or Viton are available upon request. -
Q: What is the face-to-face dimension?
A: The standard dimension follows EN 558-1 Series 48. Custom dimensions are available based on your order. -
Q: Does the valve come with a test certificate?
A: Yes, we provide a hydrostatic test report and material certificate. Third-party inspection can be arranged. -
Q: What flange standards are available?
A: Standard flanges are DIN 2501. We also offer ANSI B16.5, JIS B2220, or other standards as per your requirement. -
Q: How often should the valve be inspected?
A: For municipal water systems, annual inspection is recommended to check for seal wear and debris accumulation. Our valves are designed for low-maintenance operation. -
Q: Can I get a sample before bulk order?
A: Yes, sample orders are accepted. Lead time for sample is typically 7-15 days. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ is 1 piece for standard sizes. For customized orders, MOQ may vary.
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