GESTRA BB 1, Original Installation Instructions

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14
If the equipment is installed in a vertical pipe the
flow arrow must point upwards.
The equipment can also be installed in
vertical pipes with downward flow.

For this purpose make sure that the
equipment is fitted with springs of type
5 VO.
If the equipment is installed downstream of a pipe
bend the eye bolt must point towards the inside of
the pipe bend.

Put a commercially available gasket that is
suitable for the pipe onto the lower flange.

Put the equipment onto the gasket.

Put a commercially available gasket that is
suitable for the pipe onto the equipment.
 Put the upper flange onto it.
 Insert all bolts through the holes in the flange.

Make sure that all component parts are in
central alignment with each other.

Screw the nuts onto the bolts.
To obtain the desired position of
installation you can turn the equipment
with the eye bolt.

Turn the equipment into the desired installation
position.

Tighten the nuts on the bolts evenly.
The torque required for tightening the nuts
depends on the pipe.