The metering pump is a kind that can meet the needs of various strict technological processes. The flow of the metering pump can be steplessly adjusted within the range of 0-100%. The structural characteristics of metering pumps are used to transport liquids (especially corrosive liquids). Special displacement pump.
Metering pumps are also called quantitative pumps or proportional pumps. Metering pumps are reciprocating positive displacement pumps, which are used for accurate metering, and the stability accuracy of metering pumps is usually required to not exceed ±1%. With the continuous development of modern industry toward automated operation and remote automatic control, Advantages of metering pumps, such as strong matching and adaptable medium (liquid), are particularly outstanding.
Guangzhou Ascend Precision Machinery Co.,Ltd.
Chat with our AI personalities
A metering pump is often used to pump water, chemicals and solutions. A metering pump moves an exact amount of liquid at a certain time period providing an accurate flow rate.
API 675 says that the metering pump has to be tested at 1.5 times the MAWP (Maximum Allowable Working pressure) but not less than 20psig (API 675 4.3.2.1)
There is electronic pumps and mechanical pump. Electronic pumps are run using an electronic EPU assy. mainly used outdoors because it does not need to have open air passages to cool itself. Mechanical pumps need fans to cool them so outdoor use is not recommended. Then there are diaphragm pumps vs. peristaltic pumps. Diaphragm pumps pushes chemical through valves that open and close to force chemical into a pressurized water line. The peristaltic pumps push chemical through a tube that is being squeezed by rollers.
A pump can be used to a certain extent, but due to the compressibility of gases they are not very effective.
The pump discharge reducer doesn't matter if it's concentric or eccentric. It's the pump SUCTION that needs to be an eccentric reducer that is always flat on top (F.O.T.) The eccentric reducer on the pump suction reduces pump cavatation (pump catching air).
Induction pump is a term used to describe any type of pump that depends on electromagnetic induction for its operation. These pumps are often used for liquid alkaline metals that are expected to reach temperatures between 800 and 1000 degrees Celsius.