1 Seal valve seat water line design, valve plate sealing surface plane design, completely avoid the pneumatic valve due to long term non-opening card position phenomenon. 1 Seal valve seat water line design, valve plate sealing surface plane design, completely avoid the pneumatic valve due to long term non-opening card position phenomenon.

2 Valve plate up and down middle hole, using ball-type friction surface design, torque is smaller, sealability is better. 2 Valve plate up and down middle hole, using ball-type friction surface design, torque is smaller, sealability is better.

3 Valve seat has no back design, torque is lighter, and also facilitates users to replace valve seat themselves. 3 Valve seat has no back design, torque is lighter, and also facilitates users to replace valve seat themselves.

4 Flange ye luui në standard juëc ye kek mat në jacket yiic.