Pump Case, Impeller, And Adapter; Pump Case; Impeller; Adapter - WDM PI Operation Manual

PI Operation Manual

1.2 PUMP CASE, IMPELLER, AND ADAPTER

1.2.1 Pump Case

Developed in cast iron, it is radially split with four bosses for cooling purposes, venting valve to
extract air from the system, and manometers inspection.

1.2.2 Impeller

Single-suction, closed-cast impeller, in one piece, dynamically balanced with balancing holes
near the hub, designed to meet high performance during the pumps life.

1.2.3 Adapter

The adapter connects the vertical motor with the case to transmit the power to the impeller through
the shafts (motor and pump) and the split coupling. This part has with two lifting ears that allow an
easier carry and handle. The bracket has a drainer plug, which avoids accumulation of condensed
water inside the pump.
1.3 SEAL CHAMBER
The PI pump has an outside balanced mechanical seal option, inside unbalanced mechanical seal
option, as well as packaging option. Mechanical seal (stationary part) holder with cooling system.
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