Lin Hai Yong Hao Vacuum Equipment Co., Ltd.
TEL：+8657685021388/85138880
FAX：+8657685021389
MOBI：+8613757699803
ADD：Linhai city jiangnan street under the openmindedness village
Mainly by the replenishment pump and the function of the circulation pump. Replenishment pump is mainly to supplement the loss of the system, so the general flow are smaller, larger lift, single stage pump water model in the case of a small amount of flow are not up to the required lift, can only be used multi-stage pump. Circulating pumps are generally large flow and low lift, the efficiency of economic operation, and the hydraulic model is a single-stage pump is more appropriate, especially single stage double suction pump.
