Resistance to high pressure check pneumatic valve structure and installation method Pneumatic butterfly valve

. High pressure check pneumatic valve pneumatic valve disc shaped, pneumatic seat channel axis of rotation, the pneumatic valve inside channel into a streamlined, flow resistance is smaller than l butterfly check pneumatic valve, suitable for low flow velocity and flow not often change the large diameter of occasions, but should not be used for oscillating flow, high pressure check pneumatic valve sealing performance than lift check valve. Pneumatic valve butterfly check points, single type, double disc type and mostly type three, the three forms mainly by the pneumatic valve diameter, the purpose is to prevent the backflow medium flow or stop, decrease hydraulic shock.
。 High pressure pneumatic disc check pneumatic valve body along the vertical centerline sliding check pneumatic valve, internal thread check pneumatic valve can only be installed in horizontal pipe runs with the high pressure small check pneumatic valve pneumatic valve can be used on the ball. Butterfly check valve pneumatic valve ( Butterfly check valve pneumatic valve) The pneumatic valve body shape as well as by the pneumatic valve ( With the pneumatic valve and general, so its fluid resistance coefficient is larger. High pressure check pneumatic valve structure similar to stop pneumatic valve, pneumatic valve and pneumatic disc same as by the pneumatic valve. Pneumatic valve upper part and lower part of the pneumatic valve cover processing has a guide sleeve, Jane Jane pneumatic disc guide can be freely within the pneumatic valve light guide Jane, when medium downstream, pneumatic disc by medium thrust open, when stop the flow of medium, landing on the hanging in the pneumatic pneumatic valve seat valve, prevent medium counter-current role. Straight-through butterfly check pneumatic valve medium import and export channel direction and pneumatic seat vertical direction; Vertical lift check pneumatic valve, its media channel direction and pneumatic valve seat in the same direction of imports and exports, its a straight-through flow resistance is small. 。 High pressure check pneumatic valve is a pin on pneumatic pneumatic valve seat valve check pneumatic valve shaft rotation. Disc check pneumatic valve has simple structure and can only be installed in horizontal pipe runs, sealing is good. 。 High pressure pneumatic disc check pneumatic valve is sliding along the center line of the pneumatic valve of pneumatic valve. Pipeline check pneumatic valve is a new kind of pneumatic valve and its small size, light in weight and good fabrication procedure, check the pneumatic valve is one of development direction. But fluid resistance coefficient than the swing check valve is slightly larger. 。 High pressure check pneumatic valve is cut off with the pneumatic valve for boiler feed water and steam, it has the aerodynamic lift check valve and globe pneumatic valve or Angle of composite functions of pneumatic valve. In addition, there is - Some is not suitable for pump discharge installation check pneumatic valve, such as hand pneumatic valve, spring loaded, check valve, Y type check pneumatic valve, etc.
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