The characteristics of the pneumatic actuators

Compact twin piston gear, rack type structure, mesh precision, high efficiency, the output torque constant.

Aluminum, the piston and cylinder cover, and the structure of the same specification actuator weight compared the light.

For extruded aluminum alloy cylinder, and after the hard anodic oxidation treatment, inner surface quality of a material is solid, strength, high hardness. With low friction material made of sliding bearings, to avoid the metal of mutual contact, low friction coefficient, flexible rotation and long service life.

The pneumatic actuators and valve installation, connection size according to international standard, DIN3337 ISO5211 / VDE3845 design and VDI, and common the pneumatic actuators swaps.

Air hole accords NAMUR standard.

Pneumatic enforcement has been department shaft assembly holes (accord with ISO5211 standard) into double square, easy to take party of the valve stem linear or 45 ° Angle installation.

The top of the output shaft and the top of the hole with NAMUR standard.

Both ends of the adjustment screws can adjust the valve opening Angle.

The same specifications have dual action type, single function type (spring return).

But according to the valve needs to choose direction, clockwise or anti-clockwise.

According to the needs of user install solenoid valve, the locator (opening indicator), reply device, various limit switches and manual operation device.

Working principle

When compressed air from A tube into tsui pneumatic actuators, gas twin piston to promote both ends (the cylinder head) linear motion on the piston rack drive on the axis of the gear rotating 90 degrees counterclockwise, the valve is opened. At this time of pneumatic operation valve on both ends of the gas tube with B tip eduction. Conversely, when compressed air from the B tip into at both ends of the pneumatic actuators, gas to promote double plug among linear motion on the piston rack drive on the axis of the gear clockwise 90 degrees, the valve is closed. At this time the pneumatic actuators with A tube in the middle of the gas tip eduction. Above is the standard transmission principle. According to the needs of the user, the pneumatic actuators can be device with standard instead of a transmission principle, that is, choose standard shaft clockwise for open valve, counterclockwise rotation to close the valve. Single function (spring return type) pneumatic actuators A tip for the intake pipe, B for vent pipe tsui (B tube tsui should be installed muffler). A tip for open the valve inlet pipe, and when he breathed his last spring force by close the valve.