Pneumatic butterfly valve

product model: D butterfly pneumatic valve is closed ( Pneumatic disc or disc to disc, revolve around pneumatic valve shaft to a pneumatic valve open and close, mainly in the line cut off and throttling. Butterfly pneumatic valve opening and closing is a disc-shaped butterfly plate, the pneumatic valve body around its own axis of rotation, so as to achieve the aim of opening and closing or adjust. Butterfly pneumatic valve fully open to the barrier is usually less than °, pneumatic valve and butterfly butterfly pole itself has no self-locking ability, in order to butterfly plate positioning, in the pneumatic valve stem with worm gear reducer. The use of worm gear reducer, can not only make the butterfly plate with self-locking ability, make the butterfly plate to stop at any position, can also improve the aerodynamic performance of the valve. Industrial special high temperature the characteristics of the pneumatic valve adjustment ability, apply pressure range is higher also, large nominal diameter pneumatic valve, pneumatic valve body is made of carbon steel, pneumatic valve plate seal using metal ring instead of rubber ring. Large high temperature butterfly pneumatic valve USES the steel plate welding manufacturing, mainly used for the duct smoke and gas of high temperature medium. , when installation, pneumatic disc to stop in the closed position. , open position should be according to the butterfly plate to determine the Angle of rotation. , with the ventilation valve the pneumatic butterfly valve, open before you by the first open the vent valve. , should be in accordance with the manufacturer's installation instructions for installation, big weight the pneumatic butterfly valve, should set up a solid foundation. Pneumatic valve, butterfly butterfly plate installed on the diameter of the pipe direction. In the cylindrical channels of pneumatic valve pneumatic butterfly valve body and disc butterfly plate around the axis of rotation, rotation Angle for ° - Between °, rotate to °, the pneumatic valve is fully open. Butterfly pneumatic valve as traffic control, if required to use, the main is correct selection of the size and type of pneumatic valve. Adjusting the structure principle of pneumatic valve is especially suitable for production of large diameter pneumatic valves. Butterfly pneumatic valve not only in the oil, gas, chemical industry, water treatment and other general industrial used widely, but also applied to the cooling water system of thermal power plants. , the commonly used control pneumatic valve has the wafer butterfly valve and flanged butterfly pneumatic valve two kinds. Wafer butterfly valve pneumatic valve pneumatic valve is in the stud connection in place between two pipe flanges, the flange type butterfly is pneumatic valve pneumatic valves with flange, bolts on the pneumatic valve flange connection on the pipe flange on both ends. Pneumatic valve, butterfly butterfly plate installed on the diameter of the pipe direction. In the cylindrical channels of pneumatic valve pneumatic butterfly valve body and disc butterfly plate around the axis of rotation, rotation Angle for ° - Between °, rotate to °, the pneumatic valve is fully open.
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