Fisher C891 Series Internal Valves

Fisher C891 Series Internal Valves are typically used on the inlets and outlets of transport trucks and on large stationary storage tanks.These valves are serialized for the service specified with the order. The valves can be used on other compressed gases, but the user should check with the factory to make sure the valve materials are suitable for the intended service.
FeaturesPatented rapid equalization bleed areaUnique Serviceability FeaturesExcess Flow ClosureBack Check FeatureSpring loaded polytetrafluoroethylene (PTFE) stub shaft packingPTFE wear pads Rulon® Bushings at critical wear pointsManual, Cable, or Air Open/Close valve actuatorsThermal Fusible links or plugs melt at 212 to 220°F / 100 to 104°C and allow valve closure in the event of a fire at the valve

Series Internal Valves