Pump Impellers Clause Samples
Pump Impellers. Impellers shall be of the enclosed type, constructed of SAE 40 bronze. They shall be balanced hydraulically and dynamically to prevent vibration and shall be smoothly finished on all surfaces for minimum friction. Impellers shall be accurately fitted and securely locked to the pump shaft. Vertical adjustment of impellers shall be possible by adjusting top shaft nut. Impellers in multi-stage pumps shall all have the same diameter and trim.
Pump Impellers. Impellers shall be the totally enclosed type. The impellers shall be constructed from Stainless Steel or ASTM B584 Silicon Bronze and statically balanced. They shall be free from defects and must be accurately cast, machined, balanced, and filed for optimum performance and minimum vibration. Impellers shall be smoothly finished on all surfaces to reduce friction losses to a minimum. Impellers shall be balanced to grade G6.3 of ISO 1940 as minimum. They shall be securely fastened to the bowl shaft with taper locks of 416 SS.