Check valves, or non-return valves, allow water or other material to flow in only one direction, and stop the material from flowing in the opposite direction. Check valves are useful in several different types of devices. Most valves work in a similar way, although they may not contain balls.
Various colors/finishes: Polished chrome, gold, antique bronze, antique brass, brushed nickel, satin chrome and paint.
Simple construction, beautiful appearance, light weight, easy installation.
Check Valve Installation requirements:
1, in order to prevent the media counter-current in the device, the device should be installed on a non-return valve and piping;
2, check valves generally applicable to pure media, not for containing solid particles and the viscosity of the medium;
3, generally in the nominal pass through the horizontal pipe 50mm vertical lift check valve should be used;