Direction Of Rotation; Orientation; Protection From Too High System Pressures - Danfoss PAHT Operation, Installation, And Maintenance Manual

Operation guide
In
© Danfoss | 2023.12
Installation, Operation and Maintenance Manual for PAHT 20-90 pumps

3.2 Direction of rotation

CCW (counter clock wise)

3.3 Orientation

The pump can be mounted/orientated in any
horizontal position and it can be mounted/
orientated in the vertical position with the shaft
upwards. The pump cannot be vertically
mounted/orientated with the shaft facing
downwards.
3.4 Protection from too high system
pressures
The pump should be protected against too high
pressure by means of a pressure relief valve or a
bypass/unloading valve placed on the pressure
side.
Out
The direction of rotation is indicated by means of
an arrow at the label of the pump.
CW (clock wise)
The valve should be placed as close to the pump
as possible.
The opening characteristics of the valve must not
result in peak pressures higher than 200 barg
(2900 psig).
In
Out
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