1. Short structure and length, its structure length is only 1 / 4-1 / 8 of the traditional flange check valve.
2. small volume and light weight, its weight is only 1 / 4-1 / 20 of the traditional flange check valve.
3. the valve disc is closed quickly, the water hammer pressure is small, the horizontal pipe or vertical pipe can be used, and the installation is convenient