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Tri-purpose Valves

Walchem’s economical Tri-Purpose Valves are three valves in one. Installed in one direction, the spring loaded PTFE faced diaphragm provides 30 psi of back pressure and anti-syphon protection. Installed in the opposite direction, it provides pressure relief that is adjustable from 30-125 psi.

  • 8011-C Valve Asm, PVC/PTFE
  • 8011-CP Valve Asm, PP/PTF