Size: DN50-DN300
Working pressure: PN16
Temperature Range: ≤200°C
Face to Face: EN 588-1
Flange drilled: EN 1092-2
We actively help upgrade the industry, lead the metric butterfly valves, bf valve, isolation gate valve industry innovation, and become an outstanding model of this industry worldwide!We believe that fair competition will promote higher efficiency, lower cost of goods, and help stimulate the innovation of our double check valve backflow preventer. Our company, thanks to our strong innovation ability, pushed into a new stride forward in the market and achieved great success in the global market. We have been demanding of ourselves since the beginning, but our sense of responsibility goes far beyond that, as it is inseparable from our business and our mission. Further more company, the trust is getting there. The company has a young, talented, energetic, professional and innovative management elite team. We have always been committed to creating an ideal, healthy and quality working environment for our employees.
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![Cast Iron Lift Check Valve]()
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![Stainless Steel Double Disc Check Valve]()
Stainless Steel Double Disc Check ValveSize: DN50-DN350read more
Working pressure: 10/16 bar
Temperature range: -20°C - 150°C
Connection Ends: BS EN 1092 PN10/16, AS 2129 TABLE E, BS 10 TABLE D/E -
![Flanged Ball Check Valve]()
Flanged Ball Check ValveSize: DN40-DN300read more
Working pressure: 16 bar
Temperature range: -20°C - 80°C
Flange Standard: EN 1092 ISO PN16 -
![Rubber Disc Swing Check Valve]()
Rubber Disc Swing Check ValveSize: DN50-DN400read more
Working pressure: PN16
Temperature Range: 0°C- 80°C
Face to Face: BS 5163
Flange drilled: BS 4504 -
![Double Disc Wafer Check Valve-H]()
Double Disc Wafer Check Valve-HSize: DN50-DN600read more
Working pressure: PN10/16
Temperature Range: 0°C- 80°C
Connection Ends: BS EN 1092 PN10/16, AS 2129 TABLE E, BS 10 TABLE D/E -
![Sandwich Type Swing Check Valve]()
Sandwich Type Swing Check ValveSize: DN40-DN600read more
Working pressure: PN10/16
Temperature Range: -196°C- 560°C
Face to Face: DIN 3202/API594/API6D
David Thurston
The reason why I like your products very much is that your products are well made, and they have their own style, which is very novel.
Anita Maxwell
We appreciate the patience and responsiveness of the customer service staff.We appreciate your advanced ideas, and you dare to operate and work very efficiently.
Sidney Barnes
I like their brand very much, and I have bought many sets of products in the store.
Myrtle Rachel
This store is really honest, no matter what problem I have, they will handle it patiently and properly, and we will cooperate again when there is an opportunity in the future.
Abigail Kilkenny
From product drawing design, material selection, and automated production to product quality inspection, they are all done very rigorously, and the schedule is also very reasonable.
Anna Jorgensen
The team of this company is very experienced and has helped us put forward many suggestions for improvement. In the end, our products have been praised by customers.
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Renowned for its quality and robustness, our paraseal butterfly valve, vaas knife gate valve, 10 wafer check valve is reliable even in the most demanding environments. We're professional double check valve backflow preventer suppliers in China, specialized in providing high quality products and service. We warmly welcome you to buy customized double check valve backflow preventer at low price from our factory. For more cheap products, contact us now.
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