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Dashpot Wafer Check Valve

Dashpot Wafer Check Valve

The Vatac Wafer Ends Tilting Disc Check is an excellent choice for raw water, cooling water and treated water/wastewater applications. Its streamlined body contouring, flow area 40% greater than nominal pipe size and hydrodynamic disc combine to provide the lowest headloss of any check valve......

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The Vatac Wafer Ends Tilting Disc Check is an excellent choice for raw water, cooling water and treated water/wastewater applications. Its streamlined body contouring, flow area 40% greater than nominal pipe size and hydrodynamic disc combine to provide the lowest headloss of any check valve produced today. 

The Vatac Wafer tilting disc check valve is designed to open at 1 psi of pressure and withstand pressures up to 150 psi. The entire valve is a cast design for better strength and stability. 

Technical Parameters: 

» Design & Manufactured to API 6D, API 594, ASME B16.34 or Equivalent 

» P.T Ratings to ASME B16.34

» Face to Face Dimensions to API 594

» Valves Marking to MSS SP-25

» Inspect & Tested to API 598

Features:

» Sizes Ranges from 2” thru 60”.

» Pressure Ratings from Class 150 to Class 2500, PN16 to PN420

» Structured in One Piece Union Body 

» Wafer Ends Connections 

» Suitable for all usable flange standards

» Short face-to-face length invaluable where space is limited

» Rapid response - oblique seat reduces closing travel

» The circular wafer body is designed to be clamped between two pipe fl anges.

» The valve disc is suspended on two heavy stub shafts with the selected suspension points giving the fastest closing possible. 

» The stub shafts are sealed externally by integrally welded plates.The seat is oblique in order to give a short closing travel and thus a short closing time. 

» Spring Loaded Construction reduces water hammering

» Low weight results in low handling costs and ease of installation

» Low pressure drop and low opening pressure

» Fully open with small water velocity, without closing spring

» Excellent tightness

» Main Body Materials offered in Cast Carbon Steel, Cast Iron, Stainless Steel, Duplex Steel, Alloy Steels etc. 

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