D741 automatic pressure-keeping hydraulic control slow close check adjustment characteristics of pneumatic valve

automatic pressure pneumatic valve, hydraulic control slow close check adjustment is the key to the currently used in turbine inlet control equipment, has a good seal, regulation performance, the pneumatic valve is a new product developed by our company in recent years, through a variety of similar products at home and abroad for investigation and research of the serious, created the unique triple eccentric as basic structure of the pneumatic valve, hydraulic control butterfly through field application, the operating system running well, the butterfly pneumatic valve not only have the advantages of three eccentric structure also has the following obvious advantages and characteristics.
, the pneumatic valve with pressure in drive systems for two levels of drive device, the device is small in size and butterfly pneumatic valve opening and closing speed control range is big, small open period for high pressure flow control at the beginning of the butterfly pneumatic valve opens instantaneous state flat, no volatile, completely eliminate water hammer in the system risk, then cut into faster rotation velocity, ideal thrust and speed of the hydraulic cylinder set to open the butterfly plate is smooth.
, this butterfly pneumatic valve installation position is usually lateral horizontal, the placement of butterfly plate off position can make the butterfly plate making full use of the pipe hydrodynamic torque drive the smooth operation of the disc and close the pneumatic valve installation position will reflect hydrodynamic torque and heavy hammer moment interaction effect, as the closed Angle gradually completed, hydrodynamic torque will be reduced, heavy hammer moment will make the closing moments of slow and steady, thus strictly put an end to the occurrence of water hammer, zero leakage of the seal will be in the strict control system of the rational and reliable.
, this pneumatic valve electro-hydraulic control system has the function of remote control, butterfly plate at any speed and any position lock can be opened and closed by reasonable design of all kinds of pneumatic hydraulic control valve is easy.
, the pneumatic valve is equipped with a manual oil pump, can still when power system for pneumatic valve normally closed or open a butterfly.