The PAS open-frame pump systems (Figure 2) consist of a highly efficient diaphragm pump with a semi-open impeller and a large separator, allowing the pumps to pass true 3-inch spherical solids.

Atlas Copco PAS 100 HFS and PAS 150 HFS water pumps have Tier 4-F engines rated at 49 and 74 horsepower, respectively. The wet end has a diaphragm vacuum pump and a separator. The semi-open impeller ...

Traditional trash pump impellers are based on an open impeller design that includes an adjustable back wear plate. Clearances are set to maintain the performance of the pump.

He highlights that the Atlas Copco R150DP pumps also boast a high Best Efficiency Point (BEP) of 77%, underpinning the performance of these robust pumps. The semi-open impeller allows solids ...