Automatic switch using the principle of electronics. flow control .some modes of water control mining hall induction principle ,higher sensitivity ,low faults, automatic pressurization and automatic shutdown ,Convenient, simple , energy saving ,cooper pump head,cooper impeller ,stainless steel shaft, corrosion-resistant , no rust ,water control switch( some models) good sealing performance ,water hygiene ,high head ,large flow ,good starting performance ,water hygiene , high head ,large flow, good starting performance, automatic switch sensitive, low-temperature motor design, small size, low noise ,the apperance of exquisite appearance ,long service life .
For pressurization of domestic tap water ,solar system pressurization ,hot or cold water pipeline pressurization ,fish ponds and tank oxygen systems ,etc.GR series can be used for gas hanging boiler bootsing.
1.Conveying media excluded any solid medium volume ratio more than 0.1%, or particle more than 0.2mm.
2.Liquid PH range 6.5-8.5.
3.Ambient temperature range : 0-40°C ,relative humidity less or equal to 85%,dry condition with less dust.