A equipment rack mated with a pinion gear creates a linear actuator that converts rotational motion into linear motion or vice versa. The pinion, a circular gear, engages the teeth on the rack, a straight, or “linear,” gear. Rotational motion put on the pinion may cause the rack to move relative the pinion; conversely, linear motion put on the rack may cause the pinion to move in accordance with the rack. In either scenario, the input movement is translated into 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 for your needs. Special stroke lengths and custom rack and pinion gearboxes can be supplied for you personally.
Rack and pinion actuators Gear Rack For Window Opener provide a rotational movement made to open and close quarter-change valves such as ball, butterfly, or plug valves and in addition for operating commercial or commercial dampers.
The rotational motion of a rack and pinion actuator is accomplished via linear movement and two gears. A circular equipment, described a “pinion” engages one’s teeth of a linear equipment “bar” referred to as the “rack”.
Pneumatic actuators use pistons that are attached to the rack. As air flow or springtime power is used the to pistons, the rack is certainly “pushed” inward or “pulled” outward. This linear motion is transferred to the rotary pinion equipment (in both directions) providing bi-directional rotation.
Rack and pinion actuators pistons can be pressurized with atmosphere, gas, or essential oil to provide the linear the motion that spins the pinion equipment. To rotate the pinion gear in the opposite direction, the atmosphere, gas, or oil should be redirected to the various other sides of the piston, or use coil springs as the power source for rotation. Rack and pinion actuators using springs are referred to as “spring-return actuators”. Actuators that depend on opposite part 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. Globe standard ISO installation pad are commonly open to provide ease and flexibility in direct valve installation.
Pneumatic pneumatic rack and pinion actuators are small and save space. They are reliable, durable and provide a good life cycle. There are numerous brands of rack and pinion actuators out there, all with subtle differences in piston seals, shaft seals, spring design and body designs.
For almost 20 years we have used our engineering knowledge and industry encounter to continually improve our products, striving to provide robust solutions and competitive prices. Created 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, coal and oil, wastewater, and dampers. We also strive to provide exceptional customer support to back our products and keep your downtime to the very least.
Our patented adjustable dual travel stops supply the greatest amount of control in the market at ±10 degrees upon each end of the stroke. To check our actuators we have a complete range 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 rotation cylinders, are rotary actuators used for turning, opening, closing, combining, oscillating, positioning, steering and many more mechanical functions involving restricted rotation. These actuators are also often used for automation of quarter-turn valves, like ball or butterfly valves.

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