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Help CenterCast Iron Flange Swing Check Valve PN16 Water Supply Pipeline Net BS5163 Standard
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Shanghai Zhibang Valve Manufacture Co., Ltd. is a professional manufacturer established in 2016, specializing in high-quality industrial valves. Our Cast Iron Flange Swing Check Valve PN16 is designed for water supply pipeline systems, conforming to the BS5163 standard. With an annual export value of US$1–1.5 million and ISO9001 certification, we provide reliable, cost-effective solutions for global clients. This valve ensures unidirectional flow, prevents backflow, and offers long service life in demanding environments.
Key Features & Benefits
- Robust Cast Iron Body: Durable and corrosion-resistant for water and wastewater applications.
- PN16 Pressure Rating: Suitable for medium-pressure pipelines up to 16 bar.
- Flanged Ends: Easy installation and maintenance with standard bolt patterns.
- Swing Disc Design: Low pressure drop and smooth operation, minimizing wear.
- BS5163 Compliance: Meets international face-to-face and flange dimensions for interchangeability.
- Versatile Application: Ideal for water supply, irrigation, sewage treatment, and industrial pipelines.
Technical Specifications
| Parameter | Value |
|---|---|
| Standard | BS5163 |
| Body Material | Cast Iron (GG25/GGG40) |
| Pressure Rating | PN16 (16 bar) |
| Size Range | DN50 – DN600 (2" – 24") |
| Flange Drilling | DIN PN16 / BS4504 (optional ANSI) |
| Disc Material | Ductile iron with EPDM/NBR coating or SS316 |
| Temperature Range | -10°C to +120°C |
| Connection | Flanged (RF face) |
Detailed Product Description
Our swing check valve operates automatically based on flow direction. The hinged disc swings open when fluid flows forward and closes when flow reverses, preventing backflow effectively. The cast iron body provides excellent strength and durability, while the flanged ends allow easy installation between pipe flanges. The valve is designed for horizontal or vertical upward flow (optional).
Advantages over conventional check valves:
- Low head loss: The streamlined disc reduces flow resistance, saving energy.
- Silent operation: The disc closes gently without water hammer, thanks to the optional counterweight or spring assist (available upon request).
- Corrosion resistance: Internal epoxy coating (optional) extends service life in aggressive media.
- Easy maintenance: The top cover can be removed for disc inspection without dismantling the valve from the pipeline.
Applications
- Municipal water supply and distribution networks
- Irrigation and agricultural pipelines
- Wastewater treatment plants
- Industrial process systems (water, oil, gas – non-corrosive)
- Fire protection systems
Quality Assurance & Company Strength
Shanghai Zhibang Valve Manufacture Co., Ltd. has been serving global customers since 2016, with an annual export value of US$1–1.5 million. Our products are exported to over 20 countries including North America, South America, Europe, Southeast Asia, Africa, and Oceania. We hold ISO9001 certification, ensuring strict quality control from raw material procurement to final testing. Each valve undergoes hydrostatic testing and shell testing before shipment. With convenient shipping ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we offer fast delivery and competitive pricing.
We understand the importance of reliable performance in water supply systems. Our cast iron swing check valve is built to withstand harsh conditions, with a minimum service life of 10 years under normal operation. We also offer customizable options such as gearbox actuation, position indicators, and special coatings.
Contact us today for a quote or technical support. Our experienced team is ready to provide the right valve solution for your project.
Frequently Asked Questions (FAQ)
-
What is the difference between swing check valve and lift check valve?
Swing check valve uses a hinged disc that swings open, offering low pressure drop and large flow capacity. Lift check valve has a disc that lifts vertically, suitable for high-pressure applications with smaller sizes. -
Can this valve be installed vertically?
Yes, it can be installed in vertical pipes with upward flow direction. For downward flow, a spring-assisted design is recommended (available upon request). -
What is the maximum working pressure?
The valve is rated PN16 (16 bar) at ambient temperature. For higher pressures, please consult our sales team for other models. -
Is the valve suitable for seawater?
Standard cast iron is not recommended for seawater due to corrosion. However, we can provide epoxy coating or duplex stainless steel disc as an option. -
What flanges are compatible?
The valve is designed with BS5163 face-to-face dimensions and flanges drilled to DIN PN16. ANSI 150 flanges are also available as a customization. -
Do you offer samples?
Yes, we can provide sample valves for testing. Sample cost and shipping are negotiable. -
What is the delivery time?
For standard sizes (DN50-DN300), delivery time is 15–25 working days. Larger sizes may require 30–45 days depending on quantity. -
How do I maintain the valve?
Regular inspection of the disc and seat is recommended every 6 months. Clean any debris and ensure the disc moves freely. No special lubrication is needed.
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