Gemü R677 Original Einbau- Und Montageanleitung Seite 25

Installation - Union ends with insert:
CAUTION
Damage to the valve bonnet or valve
body!
® Adhere to good welding practices!
CAUTION
Damage to the valve body!
® Only use solvent cement suitable for
the valve body.
The solvent cement is not included
in the scope of delivery!
1. Screw the threaded connections into
the piping in accordance with valid
standards.
2. Unscrew union nut 1 from valve body 2.
3. Reinsert O-ring 3 if necessary.
2
4. Push the union nut 1 over the piping 4.
Connect the insert 5 with the piping 4 by
cementing / welding.
5. Screw the union nut 1 to the valve body 2
again.
6. Connect the other side of the valve
body 2 to the piping 4, too.
Installation - Flange connection:
1. Pay attention to clean, undamaged
sealing surfaces on the mating fl anges.
2. Align fl anges carefully before installing
them.
2 1
3
3 5 1 4
3. Centre the seals accurately.
4. Connect the valve fl ange and the piping
fl ange using appropriate sealing material
and matching bolting. Sealing material
and bolts are not included in the scope
of delivery.
5. Use all fl ange holes.
6. Only use connector elements made of
approved materials!
7. Tighten the bolts diagonally!
Installation - Solvent cement spigots:
Damage to the valve body!
® Only use solvent cement suitable for
the valve body.
The solvent cement is not included
in the scope of delivery!
2 1
1. Apply solvent cement on the outside
of the valve body spigots 1 and on
the inside of the piping connector 2
as specifi ed by the solvent cement
manufacturer.
2. Connect the valve body to the piping.
Observe appropriate regulations for
connections!
After the installation:
Important:
Diaphragms set in the course
of time. After valve installation
and commissioning you must
retighten the nuts 20 (see chapter
20 "Sectional drawing and spare
parts").
Reactivate all safety and protective
G
devices.
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CAUTION
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R677
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