1 Circulating pump with long life, 2 low noise, no leakage, enviroment protection, 3 passed CE, ISO9000.

1.Working conditions:

Rated voltage of power supply is 220V and frequency is 50 HZ single-phase AC.

-Pressure of system ≤1.0MPa.

-Pressure of water inlet ≥0.1Mpa.

-Transmitted liquid should not include solid impurity the volume of which ratio exceeds 0.1% or the size of which is more than 0.2mm.

-The lowest liquid temperature-----2oC

-The highest liquid temperature-----110oC

-The lowest enviroment temperature------2oC

-The highest enviroment temperature------2oC

2.The feature and use of circulating pump:

GR series of circulating pump researched and developed by scientific research personnel of our company has following merits:

no leakage ,low noise, enviromental protection, beautiful appearance,convient installation,run responsible and so on.

3.it is designed special for heating system and it can be used to supply water and add pressure for mansions of city, villa of suburb, house, to match industrial equipment .to supply water in cycle for cool air-condition, boiler and solar energy, supply hot water and keep warm in cycle,etc.

4. Technical data:

Model	Power(w)	Max.flowL/min	Max.Head(M)	inlet/outlet(in)
GR-370	400	126	11	2"
GR-550	550	200	12	2"
GR-750	750	310	17	2"
GR-1100	1100	385	20	2"