The Model 9050 actuator is available in either air-to-open/spring-to-close or air-to-close/spring-to-open and is field reversible. It comes with either 3 springs for a 3…15 psi (0.2…1 bar) signal range or 6 springs for a 6…30 psi (0.4…2 bar) signal range. Both ranges are adjustable to match bench loading with the requirements of the application.
Actuator Features
- Designed to ANSI and ISA standards
- Dual body mounting (NPT/Flangeless)
- Wide range of innervalves
- Linear, Equal Percent or On-Off
- ANSI Class IV seat leak standard
- Encapsulated body gasket
- MoS2-filled nylon stem bushings
- No brass or asbestos
- Epoxy-coated steel parts
- Adjustable spring loading
- Replaceable seats (reduced Cv inner valves only)
Actuator Optional Features
- Stellite inner valve
- Teflon PFA soft seating
- Class V or VI seat test
- Graphite packing
- Extended bonnets, to 18 in. (457 mm), for hot or
cryogenic service. - Double stuffing box