GESTRA MK 35/31 Instructions De Montage page 12

Installation
1. Observe position of installation.
2. Observe direction of flow. The flow direction arrow is located on the
trap body.
3. Leave at least 30 mm free space around the equipment for
disassembly of the cover at a later date.
4. Remove plastic plugs. They are only used as transit protection.
5. With screwed sockets: clean internal threads.
6. With socket-weld ends: clean socket-weld ends.
7. Arc-weld trap only manually (welding process 111 and 141
to DIN EN 24063).
8. Install trap.