What is the allowable deviation for the levelness of the centrifugal pump casing?

2009-04-14View Original

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What is the allowable deviation for the levelness of the centrifugal pump casing?

Reply #22009-04-14

1. Pumps installed as a whole: the horizontal deviation for vertical installation shall be ≤ 0.10/1000, and the horizontal deviation for horizontal installation shall be ≤ 0.20/1000; measurements shall be taken on the inlet and outlet flange surfaces of the pump or on other horizontal surfaces. 2. Pumps installed after disassembly: the longitudinal and lateral horizontal deviations shall be ≯0.05/1000, and measurements shall be taken on the horizontal mid-plane, the exposed part of the shaft, and the horizontal machined surface of the base. Refer to GB-50231--98

Reply #32009-04-14

According to petrochemical standards, the levelness of pumps should be 0.05 mm/m in the longitudinal direction and 0.10 mm/m in the transverse direction; refer to HG20203–2000, SH/T3541–2007, and SH/T3538–2005

Reply #42009-04-14

In accordance with the installation standards for chemical pumps. Refer to HG20203－2000, SH/T3541－2007, SH/T3538－2005

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