Check valve selection

1), aetv One-way valve: generally suitable for cleaning media, should not be used for containing solid particles and a larger viscosity medium. 2) For aetv One-way valve below DN50mm, butterfly check valves, vertical lift check valves and diaphragm check valves are recommended. For DN greater than 200mm and less than 1200mm Low-pressure non-return valve should be selected without wear ball check valve; DN greater than 50mm, less than 2000mm low-pressure check valve, should choose butterfly check valve and diaphragm check valve. 3) The diaphragm check valve is suitable for easy to produce water hammer on the pipeline, the diaphragm can be very good to eliminate the water hammer caused by the media counter-current, but the temperature and pressure limits, generally used in low-pressure room temperature pipe. 4) For the requirements of water hammer stroke when the impact is relatively small or no water hit the pipe, should use the slow closing Swing Check Valve and slow closing butterfly check valve.

Push Button Hand Shower

The utility model discloses a Kitchen Shower head that is convenient to switch the water outlet mode, has a compact structure, and is easy to use, and a kitchen faucet using the kitchen shower head. , The shower head is provided with a water separator, and the water separator is provided with an annular flow channel and an inner flow channel respectively connected to the spray water outlet body and the V-shaped water outlet body, and the lower end of the outer wall of the water separator is upwardly circular A plurality of water inlet holes connected to the annular flow channel are provided, and a first sealing ring is provided on the lower side of the water inlet hole; the water outlet end of the shower body is connected with a converter, and the converter is provided with a communicating In the water diversion cavity at the water outlet end of the shower body, the lower end of the water diversion device is installed in the water diversion cavity and can move up and down, and the upper end of the inner wall of the water diversion cavity is provided with a convex ring matching the first sealing ring, so The bottom surface of the water diversion cavity is provided with a sealing gasket that can seal the inner flow channel.

Waterfall Shower Head,Overhead Shower Head,Push Button Hand Shower,Brushed Nickel Sink Faucet

Yuyao Zelin Sanitary Ware Co., Ltd , https://www.kitchen-sinkfaucets.com