計量泵配件之背壓閥
Accessories of Pump 計量泵配件
Back Pressure valve / counterbalance valve 背壓閥
When medicine dosing point is lower than the outlet of metering pump, back pressure valve shall be installed at the outlet of metering pump in order to reduce siphon and excess feeding, and ensure the metering accuracy of metering pump is not affected.
在管路或是設(shè)備容器壓力不穩(wěn)的狀態(tài)下，能保持管線所需壓力，使泵能正常輸出流量。另在泵的出端由于重力或其它作用常會出現(xiàn)虹吸現(xiàn)象，此時背壓閥能消減由于虹吸產(chǎn)生的流量及壓力的波動。
常用材料:PVC, SUS304, SUS316, PTFE
常用口徑:DN10, DN15, DN25, DN32, DN40
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