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Here is a good animation detailing the primary components and construction of the
ROTEX ECV pneumatic valve actuator:
ROTEX ECV actuators distinguish themselves from other rack and pinion manufacturers by offering the following advanced features:
- Self energizing V-Seal piston rings
- Double rack & pinion
- High corrosion resistance
- Pinion supported on polyacetal bearings
- Maximum working pressure 125 psig, optional 150 psig
- No lubrication required
- Temperature range -20 °F to +230 °F
- Anodized body inside and out
- Hard anodized pistons
- ISO mounting for interchangeability
- Anti-blowout pinion
- Can be converted to spring return by just adding springs
- Smooth burnished cylinder wall
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