Flange silence check valve

The utility model discloses a flange silence check valve belongs to valve technical field, including the valve body, valve clack and valve gap baffle, valve body inlet -end and exit end all are equipped with flange, be equipped with the connection internal thread in the valve body exit end, the valve gap baffle fits in the valve body through connecting thread soon, it adjusts installation cavity and uide bushing to be equipped with the valve clack in the valve gap baffle, which comprises the following components: a valve body, the pole is adjusted in the end connection extension of operating valve lever, be equipped with the through -hole that to wear to establish the extension and adjust the pole in the valve gap baffle, the extension is adjusted the rod end head and is equipped with screw rod and fixed stop nut, the terminal surface of the valve gap baffle of valve body intracavity is equipped with the mounting flange step, be equipped with stainless steel compression spring between valve clack and the moun