EN 
EN
When installing a water pump 40kW, the longitudinal and transverse levelness of the base shall not exceed 0.5 ‰. The multistage pump body is centered by the rabbet of each section, and the radial runout and end face runout of the inner and outer circles of the rabbet relative to the axis are not greater than the following table, in millimeters.
The rabbet circular jumping inside and outside the mouththe longitudinal and transverse levelness of the base shall not exceed 0.5 ‰.
The multistage pump body is centered by the stop ports of each section, and the radial runout and end face runout of the inner and outer circles of the stop ports relative to the axis are not greater than the following table, in millimeters.
Stop the circular jumping inside and outside the mouth
Rabbet jumping of inner and outer circles
| Rabbet diameter | ≤ 250 | >250-500 | >500-800 | >800-1250 | >1250-2000 |
| Circular jumping | 0.054 | 0.06 | 0.08 | 0.10 | 0.02 |
The roughness of the inner and outer circular mating surfaces of the rabbet shall not exceed
The pressure for the water pressure test of the pump body is 1.5 times the working pressure, with a duration of 5 minutes and no leakage is allowed.
