Metering pump three-valve assembly
Thread Content
This metering pump is produced by Lianyungang Keya Pump Industry Co., Ltd. What types of valves are included in the three-valve assembly inside the oil reservoir shown in the picture, and what is their function? :)
Is there any accompanying documentation for this pump? It should be included there
Different manufacturers use varying designs and terminology, but in the case of hydraulic diaphragm pumps, the three valves generally refer to the vent overload valve, the limit valve, and the compensation valve – these valves are used to maintain relative stability in the amount of oil within the hydraulic chamber. It can also be understood as having the capability for automatic exhaust and refueling functions
Exhaust valve, safety valve, refueling valve