Farris Series 3800 Pilot Operated Pressure Relief Valves  (ASME NB Certified for Air, Steam & Water)   The innovative, integrally cast, flanged, semi-nozzle valves of the Farris Series 3800 pressure ..

ASME NB Certified: Air, Steam & Water The Farris Series 2600 pressure relief valves are designed to function equally well on air, gases and steam or in liquid service. For specific Code applications i..