A equipment rack mated with a pinion equipment creates a linear actuator that converts rotational movement into linear movement or vice versa. The pinion, a circular gear, engages the teeth on the rack, a directly, or “linear,” gear. Rotational motion applied to the pinion may cause the rack to move relative the pinion; conversely, linear motion put on the rack will cause the pinion to go 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 easy to find the appropriate rack and pinion linear actuator to your requirements. Particular stroke lengths and customized rack and pinion gearboxes could be supplied for you personally.
Rack and pinion actuators provide a rotational movement designed to open and close quarter-turn valves such as for example ball, butterfly, or connect valves and in addition 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 gear, referred to a “pinion” engages the teeth of a linear gear “bar” known as the “rack”.
Pneumatic actuators use pistons that are mounted on the rack. As air or springtime power is used the to pistons, the rack is usually “pushed” inward or “pulled” outward. This linear motion is used in the rotary pinion gear (in both directions) offering bi-directional rotation.
Rack and pinion actuators pistons can be pressurized with surroundings, gas, or essential oil to provide the linear the motion that spins the pinion gear. To rotate the pinion gear in the opposite direction, the air flow, gas, or oil should be redirected to the other sides of the piston, or make use of coil springs as the power source for rotation. Rack and pinion actuators using springs are referred to as “spring-arrive back actuators”. Actuators that rely on opposite side 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 open to provide ease and versatility in direct valve set up.
Pneumatic pneumatic rack and pinion actuators are small and save space. They are dependable, durable and provide a good life cycle. There are several brands of rack and pinion actuators in the marketplace, all with subtle variations in piston seals, shaft seals, spring style and body designs.
For almost 20 years we have used our engineering knowledge and industry experience to continually improve our products, striving to provide robust solutions and competitive prices. Designed for easy integration and reliability, our products have already 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 make an effort to provide exceptional customer support to back our products and maintain your downtime to a minimum.
Our patented adjustable dual travel stops provide the greatest amount of Gear Rack For Rack Actuator control in the market at ±10 degrees on each end of the stroke. To check our actuators we have a complete range of control 
add-ons which includes solenoid valves, limit switches, positioners, and a broad assortment 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 more mechanical functions involving restricted rotation. These actuators are also frequently used for automation of quarter-switch 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, dried out, and processed gas necessary by this actuator can be provided via a central compressed atmosphere station, which usually supports a variety of pneumatic products in an activity system.