Pneumatic actuator structure and accessory function

The various accessories of the instrument have an important effect on the whole, and each accessory is indispensable. The executive organization and conditioning organization of the pneumatic actuator are consistent with the whole, and the executive organization has a film type, a piston type, a fork type and a pinion and rack type. The piston type has a long stroke and is suitable for occasions requiring greater thrust; The film stroke is small, can only directly drive the valve stem.

The shape of the pneumatic actuator is double square on the shaft mounting space at the bottom, which is conducive to the Angle installation of the pneumatic actuator. In the same actuator specifications, it has single and double effects. According to the valve to confirm the direction and rotation, pneumatic actuator equipment, the choice of data on the cylinder is extruded aluminum alloy, and aluminum alloy itself has many advantages, it through oxidation treatment, the appearance becomes strong. The manufacturing data of the pneumatic actuator is attributed to low conflict, which reduces the conflict between the metal and the metal, so that the flexibility of the machine is strong, and the use time is relatively long.

Accessory function of pneumatic actuator

1, double electronically controlled solenoid valve: one coil power valve open, the other coil power valve closed, with memory function (explosion-proof type can be provided).

2, single electronic control solenoid valve: the valve is opened or closed when the power is supplied, and the valve is closed or opened when the power is off (explosion-proof type can be provided).

3, limit switch return device: remote transmission valve open or close position signal (explosion-proof type can be provided).

4, electrical positioner: according to the size of the current signal (4-20mA) to control the medium flow of the valve (explosion-proof type can be provided).

5, pneumatic positioner: according to the pressure signal (standard 0.02-0.1MPa) of the size of the valve medium flow control.

6, electrical converter: the current signal into tens of thousands of air pressure signal, with the pneumatic positioner supporting the use (explosion-proof type can be provided).

7, air supply treatment triplet: including air pressure reducing valve, filter, oil mist, air supply pressure regulation, cleaning, moving parts lubricating effect.