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Tecofi » Check Valves » Dual Check Valves - DN40 to DN800

Dual Check Valves, also called Double Door Check Valves,  Dual Plate Check Valves,  Duo Check Valves or Butterfly Non Return Valves are another popular non return valve for a range of applications.

The two doors flap together to allow flow and spring back onto their seat to prevent reverse flow.

We carry UK stocks backed up by huge stocks at head office in France.

Dual Check Valve Sectioned
Larger picture

Our CB 3440 Twin Plate Check Valve has a Cast Iron body with plated Ductile Iron discs and EPDM seal.  It is good for horizontal and upwards forward flow and, in some cases, downwards flow.  Rated PN16 it is wafer pattern for mounting between flanges.  Design in accordance with EN 14341.

Our Wafer Pattern Dual Check Valve is available in the following sizes
DN 40, DN 50, DN 65, DN 80, DN 100, DN 125, DN 150, DN 200, DN 250, DN 300, DN 350, DN 400, DN 450, DN 500, DN 600, DN 700, DN 800.
Or in Imperial
1 1/2 Inch, 2 Inch, 2 1/2 Inch, 3 Inch, 4 Inch, 5 Inch, 6 Inch, 8 Inch, 10 Inch, 12 Inch, 14 Inch, 16 Inch, 18 Inch, 20 Inch, 24 Inch, 28 Inch, 32 Inch.

Double Door Check Valve

Download the datasheet here
Dual Check Valves

 

The CB 3440 is a low cost option for a variety of applications - we also manufacture these with Stainless wetted parts - Contact us for more information.

 

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Non return valves from a UK valve expert.

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