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ASME Section VIII capacity certified safety relief valve for overpressure protection of steam, air/gas and liquid systems, pressure vessels, piping and similar equipment.ASME Section VIII Certified Capacities5-1200 psig Set Pressures at 800 degreeF1/2'''' - 2'''' Inlet ConnectionsLapped Metal Seats; O-ring and PCTFE Seats OptionalScrewed Cap or Packed Lift Lever ConfigurationMade in the USA