RuB EA4-3 F05/F07 Pneumatic Actuator for 1/2" - 4" Quarter Turn Valve

Features:

• ISO 5211 direct mount on valve
• Indoor or outdoor installation
• Pilot ring for perfect alignment of shaft and stem
• Nickel-plated steel shaft
• Stainless steel fasteners
• High tensile long life return springs
• Visual position indicator
• Fast field conversion between double acting and spring return, fail open or fail closed
• The minimum ambient temperature while the actuator is at rest: -31°F (-35°C)
• NAMUR pads for direct mount of solenoid and limit switch
• Extruded aluminum body hard anodized cylinder bore rock hard and glass smooth

The EA actuators series is designed for quarter turn applications on RUB ball valves in a compact and lightweight design. They can be supplied single (spring return) or double acting with a wide range of output torques offering a complete valve automation solution.

EA actuator has a patented guide bar which keeps the rack and pinion gear teeth in perfect engagement in all directions of operations. The contact between the teeth is pure rolling contact - no rubbing or friction which means minimum wear and long cycle life.

Valve Parts:

1. Body
2. Shaft
3. Piston
4. End-cap
5. End-cap (stop bolt)
6. Spring
7. Cap bolt
8. Stop bolt
9. Stop bolt nut
10. Washer
11. O-Ring (end stop)
12. O-Ring (end cover)
13. Piston ring
14. Piston ring
15. Wear pad
16. Shaft washer
17. Snap ring
18. O-Ring (drive shaft)
19. Shaft bearing upper
20. Shaft bearing lower
21. Alignment ring
22. Indicator