After The Installation; Commissioning; Operation - Gemü R677 Betriebsanleitung

12.6 After the installation

Diaphragms set in the course of time!
▶ Leakage
After disassembly/assembly of the product, check that
●
the bolts and nuts on the body are tight and retighten if
required.
Retighten the bolts and nuts at the very latest after the
●
first sterilization process.
● Re-attach or reactivate all safety and protective devices.

13 Commissioning

Corrosive chemicals!
▶ Risk of caustic burns
Wear appropriate protective gear.
●
Completely drain the plant.
●
Leakage!
▶ Emission of dangerous materials
Provide for precautionary measures
●
against exceeding the maximum per-
missible pressure that may be caused
by pressure surges (water hammer).
Prior to cleaning or commissioning the plant:
Check the tightness and the function of the valve (close
●
and reopen the valve).
If the plant is new and after repairs rinse the piping sys-
●
tem with a fully opened valve (to remove any harmful for-
eign matter).
Cleaning agent!
▶ Damage to the GEMÜ product
The plant operator is responsible for selecting the clean-
●
ing material and performing the procedure.
Diaphragms set in the course of time!
▶ Leakage
After disassembly/assembly of the product, check that
●
the bolts and nuts on the body are tight and retighten if
required.
Retighten the bolts and nuts at the very latest after the
●
first sterilization process.
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NOTICE
WARNING
CAUTION
NOTICE
CAUTION
NOTICE

14 Operation

Handwheel can become hot during opera-
tion!
▶ Risk of burns
●
Optical position indicator
Valve open
Handwheel locknut GEMÜ 677 (optional)
Lock the handwheel:
Insert the key in the lock (arrow), press down and lock with an
anticlockwise rotation. The key can be removed.
Unlock the handwheel:
Insert the key in the lock (arrow) and unlock with a clockwise
rotation. The key cannot be removed.
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CAUTION
Ensure protective gloves are worn
when operating handwheel.
Valve closed
14 Operation
GEMÜ R677