Fisher Isolation and Shut
Fisher A31A Cryogenic High Performance Butterfly Valve
Fisher A31A cryogenic high performance Butterfly valve is designed for extreme temperature, cryogenic services and features a valve body extension which positions the packing system and the actuator away from the extreme temperatures.
- Interchangeability of all parts, including shafts and disks, simplifies service and reduces maintenance costs.
- The valve body self-centers on the line flange bolts as a fast, accurate means of centering the valve in the pipeline.
- Developed as a valve/actuator packing with a double D drive shaft to allow easy.