With a design that helps reduce seat wear, this SSI double disc check valve can minimize water hammer, surge, and backflow in piping systems. Wafer-style model fits between flat-face and raised-face flanges. Valve design has independent springs to help optimize valve plate closing rates while minimizing spring stress. Suitable for use in liquid and air service in industrial process, wastewater, and pulp and paper industries. This listing is for each. Technical Specification Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Double Disc Body Material - Valves Stainless Steel Pipe or Tube Size - Check Valves 8 Connection Type - Check Valves Flange x Flange Cracking Pressure - Check Valves 0.300 to 1.250 psi Mounting Orientation - Check Valves Horizontal, Vertical Seal Material - Check Valves Metal Max. Temp. - Valves 600 Degrees F Min. Temp. - Valves 60 Degrees F Max. Water Pressure - Valves 285 psi @ 600 Degrees F Max. Steam Pressure - Valves 285 psi WSP Seat Material - Check Valves Stainless Steel Spring Material - Check Valves Stainless Steel Flow - Valves 6000 gpm Full Flow - Valves Yes Application - Valves Process Piping Length 11 Width 5 Overall Height 11 Standards API 598 and API 594 Compliance and Restrictions
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