MODEL SJ-915 DUAL PLATE CHECK VALVE (2½” thru 12”)
The Shurjoint Model SJ-915 is a grooved-end dual-plate (or double-door) check valve designed to provide positive and silent protection against backflow in piping systems. The valve features a ductile iron body with an EPDM or Nitrile resilient seat molded to body and type 304 stainless steel discs loaded with type 313 stainless steel springs. Groove dimensions comply with ANSI/AWWA C606.
*Working pressure is based on connection with roll- or cut-grooved standard wall carbon steel pipe.
ǂDimensions are subject to change.
1. For horizontal use, the valve shall be installed perpendicular to the flow, or with disc pin in the vertical position.
2. For vertical use, the valve shall be installed with flow up.
3. The valve shall be installed with a distance of five (5) pipe diameters, min., downstream from pump discharge, reducers or elbows.