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GEMÜ ZRSK
15 Inspection/maintenance
WARNING
The equipment is subject to pressure!
▶
Risk of severe injury or death.
●
Depressurize the plant.
●
Completely drain the plant.
CAUTION
Hot plant components!
▶
Risk of burns!
●
Only work on plant that has cooled
down.
CAUTION
●
Servicing and maintenance work must only be performed
by trained personnel.
●
GEMÜ shall assume no liability whatsoever for damage
caused by improper handling or third-party actions.
●
In case of doubt, contact GEMÜ prior to commissioning.
The operator must carry out regular visual examination of the
GEMÜ products depending on the operating conditions and
the potential danger in order to prevent leakage and damage.
The product also must be disassembled and checked for
wear in the corresponding intervals.
1. Have servicing and maintenance work performed by
trained personnel.
2. Wear appropriate protective gear as specified in plant op-
erator's guidelines.
3. Shut off plant or plant component.
4. Secure plant or plant component against recommission-
ing.
5. Depressurize the plant or plant component.
6. Actuate GEMÜ products which are always in the same po-
sition four times a year.
15.1 Spare parts
3
3
4
Item
Name
Order description
3
O-rings
SP*ZR*
4
Spring
●
Replace O-rings
3
and spring
16 Removal from piping
NOTICE
▶
If defective, the entire check valve must be replaced.
1. Observe the safety information (see ““, page 5).
2. Undo the flange screws.
3. Pull out the check valve using the eye bolt 6 (see ““,
4. Unhook the spring (option)
4
and unscrew the two
screws
5
.
5. Remove the washer
2
.
6. Replace the O-rings
3
.
7. Insert the disc
2
.
8. Hook in new spring (option)
4
.
9. Insert the check valve using the eye bolt
6
.
10. Tighten the flange screws.
16 Removal from piping
