Row of closing air valve group slowly

The utility model relates to a row of closing air valve group slowly, including the air valve, through little valve of connecting pipe connection air valve, its characterized in that, install on the inlet flange of air valve and slowly close the mechanism, delay and close the mechanism including slowly closing the seat, the both ends of slowly closing the seat are equipped with the flange, slowly close to be equipped with in the seat and slowly close the chamber, it installs and slowly closes the subassembly slowly to close the intracavity, delay and close the subassembly including slowly closing the dish, connect and slowly close delaying of dish and close the pole, the slow closed shelves of pole is slowly closed in the installation to and install the springiness cushioning spare on slowly closing the pole, be equipped with the clearance between slowly closing the outer circumference of dish and slowly closing the inner wall in chamber. The utility model discloses the exhaust time can cushion the air current the impact, can not appear the stifled phenomenon of gas, exhaust effectual, can ensure waterline and air bleeding valve safety, improve the life of air bleeding valve.