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The dual Plate Check Valve is an all purpose non return valve that is much stronger, lighter in weight and smaller in size compared to a conventional swing check valve or life check valve.
The Double Plate Check Valve employs two spring-loaded plates hinged on a central hinge pin. When the flow decreases, the plates close by torsion spring action without requiring reverse flow.
This design offers the twin advantages of No Water Hammer and Non Slam simultaneously. All features put together make the Dual Plate Check Valve nrv one of the most efficient design.
Duo Disc Check Valves are available in wafer design, flanged wafer design and extended design with flanged ends having face to face dimensions as that of a swing check valve. It is also referred as SILENT CHECK VALVE.
Our Cast Iron Check Valves are available in the following materials, by Valve Type. For more in-depth information on materials, dimensions and specifications for cast iron wafer check valves, please visit the page for the specific valve category in which you are interested and download our brochure. You can also download brochures on our cast iron check valves and other products directly from the Engineering Resources page.
All internal hardware, springs (if included) and pins for our cast iron check valves are 316SS
What is dual plate check valve?
The dual Plate Check Valve is an all purpose non return valve that is much stronger, lighter in weight and smaller in size compared to a conventional swing check valve or life check valve. The Double Plate Check Valve employs two spring-loaded plates hinged on a central hinge pin.
Is dual plate check valve Non slam type?
The Dual Plate Check Valve design is classified as "Non-Slam Design". The disc in a swing check valve is hinged at the top. ... This momentum can cause severe damage when the disc slams on to the valve seat.
Why do you need a double check valve?
Double check valves protect the water supply from the risk of backflow and back siphonage in domestic homes and commercial buildings, ultimately preventing potential contaminants getting into other parts of the system, especially drinking water.
What is the difference between wafer check valve and swing check valve?
Wafer check valves get their name from their wafer thin design. These valves are sleek and made to fit in tight spaces between two flanges. ... Swing check valves, as the name implies, also uses a swinging disc to allow or block flow. The difference between the two is in the body design.
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