A equipment rack mated with a pinion equipment creates a linear actuator that converts rotational movement into linear motion or vice versa. The pinion, a circular gear, engages the teeth on the rack, a straight, or “linear,” equipment. Rotational motion applied to the pinion may cause the rack to go relative the pinion; conversely, linear motion put on the rack may cause the pinion to move in accordance with the rack. In either situation, the input movement is translated in to the opposite output motion.

Available in five different models of stroke lengths between 10mm and 30mm, it’s simple to find the right rack and pinion linear actuator to your requirements. Unique stroke lengths and customized rack and pinion gearboxes can be supplied for you personally.
Rack and pinion actuators give a rotational movement made to open and close quarter-turn valves such as ball, butterfly, or connect valves and also for operating industrial or commercial dampers.
The rotational movement of a rack and pinion actuator is accomplished via linear motion and two gears. A circular equipment, described a “pinion” engages the teeth of a linear gear “bar” referred to as the “rack”.
Pneumatic actuators use pistons that are mounted on the rack. As atmosphere or spring power is applied the to pistons, the rack is certainly “pushed” inward or “pulled” outward. This linear movement is transferred to the rotary pinion equipment (in both directions) providing bi-directional rotation.
Rack and pinion actuators pistons could be pressurized with air, gas, or oil to provide the linear the movement that spins the pinion equipment. To rotate the pinion equipment in the contrary direction, the atmosphere, gas, or oil should be redirected to the various other sides of the piston, or use coil springs as the energy source for rotation. Rack and pinion actuators using springs are referred to as “spring-return actuators”. Actuators that depend on opposite aspect pressurization of the rack are known as “direct acting”.
Most actuators are created for 100-level travel with clockwise and counterclockwise travel adjustment for open and closed positions. World standard ISO installation pad are commonly available to provide ease and flexibility in direct valve set up.
Pneumatic pneumatic rack and pinion actuators are compact and save space. They are dependable, durable and provide an excellent life cycle. There are numerous brands of rack and pinion actuators out there, all with subtle differences in piston seals, shaft seals, spring style and body designs.
For almost 20 years we’ve used our engineering knowledge and industry experience to continually improve our items, striving to provide robust solutions and competitive prices. Designed for easy integration and reliability, our products have been proven in a variety of industries and applications which includes chemical, pharmaceutical, food and beverage, power, oil and gas, wastewater, and dampers. We also make an effort to provide exceptional customer support to back our items and keep your downtime to a minimum.
Our patented adjustable dual travel stops provide the greatest degree of control in the market at ±10 degrees on each end of the stroke. To complement our actuators we’ve a complete selection of control accessories including solenoid valves, limit switches, positioners, and a broad range of automation hardware.
Rack-and-pinion pneumatic actuators, also known as limited Gear Rack For Window Opener rotation cylinders, are rotary actuators used for turning, opening, closing, mixing, oscillating, positioning, steering and many more mechanical functions involving restricted rotation. These actuators are also often used for automation of quarter-convert valves, like ball or butterfly valves.

Pneumatic rack-and-pinion actuators convert the energy of compressed air by means of a pneumatic cylinder to an oscillating rotary motion. The clean, dry, and processed gas required by this actuator is definitely provided via a central compressed air station, which usually supports a variety of pneumatic devices in a process system.