Check valves

Check Valve (One-way valve): according to the structure are divided into lift check valve, swing check valve and butterfly valve of three. Lift check valve can be divided into two vertical and horizontal. Swing check valve into unicuspid type, double disc type and the multi-jaw type of three. For the straight-through butterfly valve, check valve in the connection of several forms of the above can be divided into the threaded connection, flange connection and welding of three.
Check Valve (One-way valve): The roof installation should note the following things:
1 Do not check valve in the pipeline to withstand the weight of a large check valve should be independent of support, so that the pressure piping system from the impact.
2, installation, pay attention to the direction of media flow valve should be the same as the arrow votes.
3, vertical valve lift check valve should be installed in the vertical pipe.