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  2. Air-operated valve - Wikipedia

    en.wikipedia.org/wiki/Air-operated_valve

    [1] [2] 3-way valves pressurize and exhaust one outlet port to control a single-acting cylinder or pilot another valve. [3] Three-way valves may be used in pairs to operate a double-acting cylinder, thus replacing a four-way valve. A primary function of the 3-way valve is to save/store air that's compressed in high cyclic applications.

  3. Telescopic cylinder - Wikipedia

    en.wikipedia.org/wiki/Telescopic_cylinder

    Pneumatic telescoping cylinder 5-stage, double-acting, demonstrating full extension and retraction. A double acting cylinder is extended and retracted using hydraulic or pneumatic pressure in both directions. Double acting telescopic cylinders are thus much more complex in design than the single acting type.

  4. Hydraulic cylinder - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_cylinder

    If we call a normal rod cylinder single stage, telescopic cylinders are multi-stage units of two, three, four, five, or more stages. In general telescopic cylinders are much more expensive than normal cylinders. Most telescopic cylinders are single acting (push). Double acting telescopic cylinders must be specially designed and manufactured. [17]

  5. Actuator - Wikipedia

    en.wikipedia.org/wiki/Actuator

    An actuator is a component of a machine that produces force, torque, or displacement, when an electrical, pneumatic or hydraulic input is supplied to it in a system (called an actuating system). The effect is usually produced in a controlled way. [1] An actuator translates such an input signal into the required form of mechanical energy.

  6. Shutdown valve - Wikipedia

    en.wikipedia.org/wiki/Shutdown_valve

    Electro-hydraulic actuator; In addition to the fluid type, actuators also vary in the manner in which the energy is stored to operate the valve on demand as follows: single-acting cylinder - Or spring return where the energy is stored by means of a compressed spring; double-acting cylinder - Energy is stored using a volume of compressed fluid

  7. Single- and double-acting cylinders - Wikipedia

    en.wikipedia.org/wiki/Single-_and_double-acting...

    Typical horizontal steam engine with double-acting cylinder. A double-acting cylinder is a cylinder in which the working fluid acts alternately on both sides of the piston. . In order to connect the piston in a double-acting cylinder to an external mechanism, such as a crank shaft, a hole must be provided in one end of the cylinder for the piston rod, and this is fitted with a gland or ...

  8. Pneumatic cylinder - Wikipedia

    en.wikipedia.org/wiki/Pneumatic_cylinder

    Pneumatic telescoping cylinder, 8-stages, single-acting, retracted and extended. Telescoping cylinders, also known as telescopic cylinders can be either single or double-acting. The telescoping cylinder incorporates a piston rod nested within a series of hollow stages of increasing diameter.

  9. Control valve - Wikipedia

    en.wikipedia.org/wiki/Control_valve

    A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. [1] This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level.

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