CWR型热水循环泵由船用电机驱动，一般用作海、河船舶上的锅炉热水(淡水)循环泵。输送的热水温度应不高于200℃，进水压力不高于1.6MPa；冷却水量在0.6～1m³/h范围内，温度不高于40℃。

从驱动端看泵为顺时针方向旋转。

CWR Series horizontal hot water circulating pump driven by a marine motor, commonly be used for circulation of boiler hot water(fresh water) on the sea or river shipping. The feeding hot water must not higher than 200℃,Water inlet pressure not higher than 1.6MPa, cooling water capacity between 0.6 m3/h to 1 m3/h and water temperature not higher than 40℃.

 The pump rotates clockwise viewed from motor.