How to adjust the air resistance of the national electric wafer type three eccentric sealing butterfly valve? This valve seat has the following characteristics:
(1) There is an angle in the sealing surface 40&
(2) There is an R2 semicircular groove at the bottom of the sealing valve seat;
(3) Clearance shall be reserved for fitting with valve body; It can increase elasticity.
、 Each electric ball valve is a very important part. For users, during the purchase and use of these ball valves, there are many details that should be paid attention to. For this understanding, we can systematically carry out some corresponding attention, so that users can have a better effect on the use of ball valves.
