Bettis RPX-Series Rack and Pinion Pneumatic Valve Actuator

Optimum corrosion resistance is achieved with anodized housing, zinc plated/chromated pinion, powder coated end caps, chromated pistons and stainless steel fasteners.;Equipped with O-ring seals, low-friction piston and pinion bearing materials and grease for a low maintenance and trouble-free cycle life.;Dual travel stops allow for fine adjustment of the open and closed positions.;The nominal rotation (90 degrees) has an adjustable range of +5 and -5 degrees at each end of travel.;Optional end cap stroke limiter available.;Springs are specially designed for a long cycle life.;Spring cartridges allow safe and quick conversion of spring sets to match your torque and pressure requirements.;Double rack and pinion design nullifies side loads on the pinion shaft, minimizing bearing wear and extending life.;Bearings are designed for lower bearing forces and a longer cycle life.;Complies with the latest European directives like ATEX (2014/34/EU), and PED (2014/68/EU) for use in a wide range of industrial applications.;Flexible and cost effective valve mounting is achieved by fitting the valve flange with 2x ISO drilling patterns and fits the pinion with a Star Drive for both ISO5211 and DIN3337 installations.;Standard NAMUR (VDI/VDE3845) equipment can be mounted to the solenoid and top accessory flanges.