Emerson Bettis G-Series quarter-turn pneumatic actuator, 90°, double-acting and spring-return

The Bettis G-Series is a double-acting and spring-return quarter-turn pneumatic actuator for ball, butterfly and plug valves. It runs on instrument air with 90° travel.

The actuator delivers high torque; spring return provides a fail-safe position. Valve mounting per ISO 5211 via an adapter; it fits Fisher, Vanessa and KTM valves. Options: manual override, TopWorx switchboxes, positioner.

Key features:

• High torque output
• Spring return for fail-safe
• ISO 5211 mounting via adapter
• Options: manual override, TopWorx, positioner

Specifications:

• Travel: 90°
• Power supply: instrument air
• Version: double-acting and spring-return
• Valves: ball, butterfly, plug
• Options: manual override, TopWorx, positioner
• Mounting: ISO 5211 via adapter

Application: Pipelines, manifolds, LNG terminals, production sites.

Before ordering: The actuator is sized by valve torque with margin for differential pressure, temperature and cycle frequency: before ordering, specify the valve torque, air supply pressure and required fail-safe mode.