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Model 171P

Model 171P

Pressure Limit:1 to 400 psig
Temperature Limit:-20° to 550° F


  • Overpressure relief and protection of pumps, tanks, lines and hydraulic systems.
  • Acid, caustic, ammonia and other corrosive liquids requiring iron, steel or SS materials.
  • Pressure regulation.
  • By-pass relief.

Same as 171 with packed lift lever.