GESTRA BK 35 Instructions De Montage Et De Mise En Service page 14

Installation
1. Observe installation position.
2. Observe flow direction. The flow direction arrow is located on the
trap body.
3. Remove plastic plugs. They are only used for transit protection.
4. Flanged ends: Clean gasket surfaces.
5. With screwed sockets: Clean internal threads.
6. Socket weld: Clean socket weld ends.
7. Socket weld: Arc-weld trap only manually (welding process 111
and 141 to DIN EN 24063).
8. Install trap.