Cast iron check valves (H44T-10) Description:
Check valve (check valve), also known as a one-way valve or check valve, its opening and closing pieces are by medium flow and power to open or close, and its role is to prevent the media back in the pipeline.
Check valve can be divided according to the structure lift check valve, swing check valve and butterfly valve three. Lift check valve can be divided into vertical and horizontal; swing check valve into ill-style, double valve type and Orange Peel type three; butterfly valve is straight-through. Several more non-return valve in the connection form can be divided into threaded, flanged, wafer and welding.
Check valve installation should note the following top:
1, the check valve in the pipeline do not bear the weight of so large a check valve should be independent of the support, so that the pressure generated by the piping system is not affected.
2, note the direction of media flow should be consistent with the direction of the arrow on the valve during installation.
3, the vertical lift valve check valve should be installed on a vertical pipe.
4, the level of valve lift check valve should be installed in horizontal pipelines.
