Bettis BLF Single-Acting Linear Actuators

Technical Data

 

Working pressure: 135 bar / 2000 psi

Test pressure: 1.5 x working pressure to a maximum of 250 bar / 3600 psi

Temperature range: -20˚ to +80˚C / -5˚ to +180˚F

End closing thrust (spring): 1500 – 16500 N / 1100 to 12000 lbf

Viscosity of hydraulic oil: 15 to 200 cSt

The Bettis BLF/BLFR actuator for fail close operation of globe valves

Features

 

• Unique and simple design with integrated crossover valve

• Easy installation on intermediate flange of globe valve

• Same unit for various valve sizes

• Water ingress protection – IP68

• No external moving parts

• Design ready for control functions

• Built-in hydraulic emergency operation for the BLFR

• Direct visual indication