1、The thickness of manhole should be greater than or equal to 20mm.
2、A liquid level meter must be installed and interlocked with the pump. Otherwise, when the level is lower than the minimum limit, cooling mechanism in the pump would fail, and motor inside would be damaged due to high temperature rise.
3、A motor protector should be fitted for the controller box/cabinet.
1、Lift the pump with a crane, and put it gently into the hole on the manhole cover. Confirm the best installation position by angle adjustment.
2、Weld the riser and flange to the manhole cover.