Issued by: Guangzhou Sanyu Technology Co., Ltd. Performance Description: Heng Yang Cheng / Check Valve is the company developed a new generation of multi-functional hydraulic control valve, has been the national patent license. Mainly used in diesel pumps, electric pumps on the water supply pipe to ensure that the pump group rated lift and rated flow to the water, in particular, can prevent the pump in the low lift area of ​​the overload operation of the phenomenon. The valve has been widely used in domestic water supply, industrial water supply, smelting furnace cooling circulating water, fire and other water supply systems. Tel: Email: sunyear @ sunyear. cn