Water Circulating Pump

We are offering water circulating pump. Hot water circulation pump 1.cast iron pump body, 2.low noise screened electric pump working condition: rated voltage of power supply is 220v and frequency is 50hz single phase ac pressure of system no less than 1.0mpa pressure of water inlet more than 0.1mpa transmitted liquid shouldn't include solid impurity the volumn of which ration exceeds0.1% or the size of which is more than 0.2mm power:62-270w hp:0.28-1.3 inlet/outlet:1'' 1.5'' 2'' warranty:one year.