Skip to navigation Skip to content Home FISHER Actuators Bettis G-Series Pneumatic Valve Actuator Actuators, FISHER Bettis G-Series Pneumatic Valve Actuator The Bettis G-Series pneumatic, scotch yoke, valve actuator is a highly unique and reliable actuator for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms. Suitable for use in demanding SIL-required applications.
Power Source Pneumatic Product Type Pneumatic Actuator Actuation Fail-Safe, Quarter-turn, Spring-Return, Double-Acting Certifications ATEX, PED, (CE), SIL capable, NACE,TRCU/EAC/GOST, SHELL DEP, ABS Control Type On/off Valve Type Ball, Butterfly, Plug, Triple Offset Valves, Other Quarter-Turn Devices Operating Temperature Standard range: -20°F to +200°F (-29°C to +93°C). Optional range: to -40°F (-40°C) or to +350°F (+177°C) Torque/Thrust Spring-return models in excess of 3,000,000 lbs-in (339,000 Nm), Double-acting 12,581 – 6,000,000 lbs-in (1420 – 678,000 Nm) Operating Pressure Up to 220 psig (14 Bar) Operating Pressure Pneumatic 40-220 psig (3-14 Bar), Hydraulic up to 5,000 psig (345 Bar)
Features Consistently operates in challenging environments, hostile environments, and when power is challenged Modular design improves efficiency reduces wear extends life Patented Tension-Lok; device positively locks the spring module to allow its safe removal and installation, eliminating accidental release of the spring force PED 97/23/EC compliant to meet the stringent requirements of pressure mounting vessels Meets both IP66 and IP67M specifications for submergence and high pressure water deluge test and offers superior water ingress and corrosion protection Offers multiple configurations, with a modular design that enables safe field maintenance and reduced inventory costs Interchangeable power and spring modules for quick reversal of the fail-safe mode Suitable for use in demanding applications requiring SIL environment