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.

5、 The pneumatic ball valve reminds that if the valve is cleaned, the solvent used must not conflict with the parts to be cleaned and not corrode. If it is a special gas ball valve, it can be cleaned with gasoline. Other parts can generally be cleaned with reclaimed water. During cleaning, the residual dust, oil stain and other attachments shall be thoroughly cleaned. If it is impossible to clean with clean water, the valve body and parts can be cleaned with alcohol and other cleaning agents without damaging them. After cleaning, the assembly can be carried out after the cleaning agent is completely volatilized.