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SimtechModel SBR 101 4 002 -Diaphragm Pressure Relief Valve

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The Simtech SBR Series Diaphragm Pressure Relief Valve is designed to protect piping and equipment from pressure changes where a rapid release of excess pressure is required. Prevents pumps from dead heading, over pressurization, pressure surge conditions, and maintains back pressure in closed loop systems. Adjustable screw and lock-nut makes it easy to accurately preset desired relief pressure.

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Available sizes: ¼” – 2”
Body materials: PVC, PP, PVDF, PTFE
Seals: EPDM, Viton, Kalrez
Connections: ¼" - 1" FNPT; 1½" - 2" MPT

  • Teflon (primary) and EPDM (back-up) diaphragms standard.
  • No metal contact with fluid.
  • A (in): 1.60
  • B (in): 2.10
  • C (in): 0.390
  • Size: ¼"
  • End Connection: Threaded: NPT
  • Seals: EPDM
  • Material: PVC
  • Pressure Rating: 150 psi / PN10
  • Cv: 0.72
  • Diaphragm: PTFE w/ EPDM Backing
  • Piston: TEFLON