Jamesbury™ Quadra-Powr™ Actuators
For Use in Both Modulating Control and On/Off Service
Jamesbury QPX spring diaphragm actuators provide smooth, efficient quarter-turn operation for both modulating control and on-off service. Built for exceptionally long cycle life, they reliably operate almost any rotary valve—even under minimal supply pressure.
Mechanical lock-out, 100% adjustable stop, fast operation and manual override.
Available in: New England and New York
Key Features
- Model series: QPX
- Media: Air, water, mineral-based hydraulic fluid
- Temperature range: -20 to 150 °F
- Action: Single Acting
- Torque output: 15 to 796 Nm (11 to 587 lb-ft)
- Mechanical lock-out, 100% adjustable stop, tropicalization for wet and humid environments, fast operation and manual override
