Shafer Actuators
Shafer L-Series Linear Valve Actuator
Shafer L-Series Linear Valve Actuator
For operation of rising stem type valves
Product Features
- Hydraulic piston generates dependable and efficient thrust which acts directly on the valve stem
- Smooth linear motion, even at rapid operating speeds
- Actuator is mounted directly on the valve
- Piston threaded directly to the valve stem for installation on new or in-service valves
- Actuator absorbs all end-of-stroke thrust to protect the valve
- Operating speed is easily controlled
- Actuator is hydraulically locked in position
Specifications
- Double acting or spring return operation
- Thrust output range 900 to 600,000 lbs. (408 to 272,155 kg)
- Linear motion range to 72 inches (182.9 cm)
- Power supply pressure range 50 to 3,000 psi (3.4 to 207 bars)
- Hydraulic, gas/hydraulic, pneumatic
- Ambient temperature range:
- -20°F to 250°F (-29°C to 121°C) Standard
- -50°F to 250°F (-45°C to 121°C) Optional
Applications
- Gate valve applications on natural gas pipelines
- Gate valve applications on crude oil or products pipelines
- Rising stem ball valves
- Spring return or fail-safe applications
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