Name: Straight stroke pneumatic actuator customization
Basic composition of pneumatic actuator:
Due to different actuators, the type and structure of regulating mechanism of pneumatic actuators are roughly the same. Therefore, the pneumatic actuator is divided into two parts: the actuator and the regulating valve. The pneumatic actuator is composed of an actuator and a regulating valve regulator. According to the size of the control signal, the corresponding thrust is generated to push the regulating valve. The regulating valve is the regulating part of the pneumatic actuator. Under the thrust of the actuator, the regulating valve generates a certain displacement or angle to directly regulate the flow of fluid.
1. The pneumatic device is mainly composed of cylinders, pistons, gear shafts, end covers, seals, screws, etc. The complete set of pneumatic device shall also include opening indication, travel limit, solenoid valve, positioner, pneumatic components, manual mechanism, signal feedback and other components.
2. The connection size of pneumatic device and valve shall meet the requirements of ISO5211 (bottom), GB/T12222 and GB/T12223.
3. When the air supply is interrupted, the pneumatic device with manual mechanism shall be able to open and close the pneumatic ball valve with its manual mechanism. When facing the handwheel, the handwheel or handle shall rotate the valve counterclockwise and turn the valve clockwise to close.
4. The internal end and external thread of the piston rod shall have a wrench opening suitable for standard wrenches.
5. The piston seal ring shall be easy to replace and maintain.
6. For pneumatic device with buffer mechanism, the stroke length of buffer mechanism can refer to Table 1.
7. The pneumatic device with adjustable buffer mechanism shall have the external buffer function of cylinder block.
8. The thread size of cylinder inlet and outlet shall meet the requirements of MANURNORM (accessory standard) sypv, GB/T7306.1. GB/T7306.2 and GB/T7307.
