Inspection Cover; Non-Return Valve - Grundfos Multilift MD1 Installation And Operating Instructions Manual

5.3.6 Inspection cover

The inspection cover enables inspection of the tank during operation.
Pos.
1

5.3.7 Non-return valve

Lifting stations must be provided with an approved non-return valve according to EN 12050-1 and
must be approved according to EN 12050-4. The non-return valve must have a correct free pas-
sage and a lifting device, for example a screw, to drain the outlet pipe back into the tank.
1
Description
Inspection cover
Multilift MD1, MDV | | 19