Installation of flange butterfly 12 of pneumatic valve

the rotary center of the disc ( That is the center of the pneumatic valve stem) Located in the pneumatic centerline of the body and disc sealing surface section. Pneumatic seat is synthetic rubber. Closing of the butterfly plate cylindrical pneumatic seat sealing surface extrusion synthetic rubber, pneumatic seat produce elastic deformation, thus forming elastic force as sealing pressure to ensure that the butterfly pneumatic valve seal.
flange butterfly pneumatic valve sealing structure with ptfe, synthetic rubber composite pneumatic valve seat, its characteristic is that the elasticity of pneumatic valve is provided by the synthetic rubber and use the low friction coefficient of ptfe and not easy to wear, not easy ageing, thus to improve the service life of pneumatic valve butterfly.

flange butterfly pneumatic valve in its seal principle and structure characteristics with ordinary linear control pneumatic valve is the same.

flange butterfly pneumatic valve sealing structure adopts teflon, synthetic rubber and phenolic resin composite pneumatic valve seat, pneumatic seat at the same time in the flexible strength better. At the same time, the butterfly plate with teflon coated, the butterfly plate has strong corrosion resistance.

flange butterfly pneumatic valve before installation, check the pneumatic butterfly valve no missing parts, each part model is correct, check the pneumatic valve body without sundry, non-blocking solenoid pneumatic valve and the muffler.

, the pneumatic valve and cylinder are placed in the closed position.

and will hit the pneumatic valve cylinder, ( The installation direction and pneumatic valve parallel or vertical) , see if the screw hole for again, won't have too big deviation, if you have a little deviation, cylinder block turning point, then tighten the screw.

and after the installation, pneumatic butterfly valve for debugging ( Under normal circumstances for gas supply pressure. ~。 MPa） Debugging operation manual operation with electromagnetic air valve opening and closing ( The electromagnetic solenoid coil manual operation shall be effective after losing electricity And observation of pneumatic butterfly valve opening and closing. If found in the process of the test and operation of pneumatic valve some difficulty in opening and closing process of the initial, after normal, you may need to dispatch cylinder stroke ( On both ends of the cylinder stroke adjusting screw to adjust a bit at the same time, the adjustment when the pneumatic valve must be running to the open position, and then dispatch air off again) Pneumatic valve opening and closing action, until smooth and closed without any leakage. Also it is important to note that the adjustable type silencer pneumatic valve opening and closing speed can be adjusted, but not too small, otherwise may cause pneumatic valve is not action.

and hair before installation should keep dry, not in open air.

to check before, installation and adjustment of pneumatic valve pipe, to ensure that the pipe welding slag and other foreign body.

and manual type pneumatic valve pneumatic butterfly valve body resistance, moderate adjustment pneumatic valve torque matching with the selected actuator torque.

, pneumatic butterfly valve connected with the flange specifications correctly, pneumatic valve flange pipe flange to the clamp and the butterfly is consistent standards. Recommend the use of pneumatic valve adjustment special flange, flat welding flange shall be used.

and verify the flange welding, welding flanges shall not be made butterfly pneumatic valve after the installation, so as not to burn rubber parts.

and the pipe flange are going to have to pack good, and in the adjustment of the pneumatic valve.

and install all flange bolts, with the hand tight, will identify butterfly just, pneumatic valve and flange and with the opening and closing butterfly pneumatic valve, to ensure that the opening and closing flexible.

, the pneumatic valve fully open, tighten bolts, using a wrench, in accordance with the diagonal order without washers, never will bolt screw tight, in case caused serious distortion of pneumatic valve laps, open-close torque is too big.