Operation - GEM 673 Installation, Operating And Maintenance Instructions

Assembly - Clamp connections:
When assembling clamp
G
connections, insert a gasket between
the body clamp and the adjacent
piping clamp and join them using the
appropriate clamp fi tting. The gasket and
the clamp for clamp connections are not
included in the scope of delivery.
Important:
+
Butt weld spigots /
Clamp connections:
Angle of rotation for welding into
pipeline to enable optimised draining
see brochure "Angle of rotation"
(on request or www.gemue.de).
Assembly - Flange connection:
1. Pay attention to clean, undamaged
sealing surfaces on the mating fl anges.
2. Align fl anges carefully before installing
them.
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!
Assembly - Threaded connections:
Screw the threaded connections into the
G
piping in accordance with valid standards.
Screw the diaphragm valve body into the
G
piping, use appropriate thread sealant.
The thread sealant is not included in the
scope of delivery.
Observe appropriate regulations for
connections!
After the assembly:
Reactivate all safety and protective
G
devices.

11.2 Operation

Optical position indicator
Valve open
Handwheel can become hot
during operation!
® Risk of burns!
Ensure protective gloves
G
are worn when operating
handwheel.
Rising handwheel!
® Danger of crushing fi ngers.
27 / 40
Valve closed
WARNING
WARNING
673_us