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["중심莴泵有吸程吗??",,"

2018-06-14View Original

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"중심莴泵有吸程吗??有自吸式的中心莴泵 不是自吸式的中心莴泵 需要先灌水再吸水 才会有吸程吗???还是本身就不会有吸程 中心莴泵的安装高度只能在储水罐下面???"
Reply #22018-06-14
"아니요,你需要在进口加底阀 灌满泵。"
Reply #32018-06-14
"不是自吸的中心莴泵 这样就可以了 是吗"
Reply #42018-06-14
"있죠,有的 离心式水泵理论上 最大吸程是当地的大气压力值 这是计算最大吸程程是十米水柱。 但是实际上泵的最大吸程约为8米水柱左右。"
Reply #52018-06-14
"吸程有多大 主要看泵的必需汽蚀余量 同时介质的温度(饱和蒸气压) 当地的大气压多少 介质密度都会有所影响 "

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