
Fisher™ 655 and 655R Diaphragm Actuators
Key Features
- Typical industrial service includes pressure control of water, steam, oil, gas, and other fluids. Actuators can be operated by pneumatic switches, solenoid valves, pilot valves, or remote panel loaders for shutoff service.
- Large valve body selection with wide choice of end connections, flow directions, flow characteristics, valve plug designs, and seating constructions can be specified.
- Spring of the proper rate is available for nearly any control valve application. Spring selection procedure is quick and accurate.
- Rugged yoke and casings help provide stability and corrosion protection.
- Direct-operated configuration provides faster speed of response.