Maintenance - GF CONTAIN-IT Plus Bedienungsanleitung

Instruction Manual
7

Maintenance

WARNING
Dismounting diaphragm valve or opening the housing nut!
The medium may exit uncontrollably or flow out from the pipe or valve,
whether under pressure or not. The valve or pipe may contain residue or
remnants of aggressive, hazardous, flammable or explosive medium. Death
or serious injury could occur due to contact with the medium..
 Release all pressure from the piping system.
 Empty the piping system completely.
 Rinse the system, if aggressive, hazardous, flammable or explosive
media are involved.
 Empty the diaphragm valve completely when it has been dismounted. In
order to do so, let the valve drain completely.
WARNING
Diaphragm valve used as end valve!
Medium can exit uncontrollably, if piping system is opened under pressure.
Death or serious injury could occur due to contact with the medium.
 The end valve may only be opened when the medium can be caught or
carried off safely and splashing is prevented by taking appropriate
measures.
The connection between the bonnet and valve body should be checked for tightness
at regular intervals. Please consider at leakage or other defects the chapter"Help in
case of problems" and additional information in the Planning Fundamentals..
Check functionality regularly
We recommend checking the functionality of diaphragm valves which are kept
permanently opened or closed. This can be done by unseating the diaphragm
manually 1 to 2 times a year.
 Open the protective housing, see chapter
46
Prepare pressure testing
Maintenance