Technical details
LD
S
8.274
Leak monitoring system
s
Leak monitoring: Checking the plan
t
Vacuum leak detector type VLR 410 PMMV Si, VLR 410/E and VLX 330/A-Ex – Test report
Operator:
Project
:
Test date:
Tester:
Telephone:
1. First commissioned n
2. annual check n
3. after fault repair n
4. other
n
FLEXWELL® Safety Pipe type:
STAMANT type:
SECON®-X type:
Transport medium:
Pipe length m:
No. lines:
Laying: horizontal n vertical
n
Type leak detector:
No. of device:
built (year):
1. Test of vacuum switch
pump off:
mba
r
pump on:
mbar
Alarm on:
mba
r
2. Pumping head of vacuum pump:
mba
r
2. Pumping head su
fficient:
yes n
no n
repaired
n
3. Tightness of leak detector determined*:
yes n
no n
repaired n
4. Connection pipes – kinks and crimping:
yes n
no n
repaired
n
5. Clear passage through suction pipe:
yes n
no n
repaired
n
6. Clear passage through measuring lead:
yes n
no n
repaired
n
7. Clear passage through measuring lead:
yes n
no n
repaired
n
8. Tightness of leak detector system determined*:
yes n
no n
repaired
n
9. Potential-free outlet (clamp 11/12) – funktion OK:
yes n
no n
repaired
n
10. Laying with ZD – function OK (Alarm triggered latest at 410 mbar):
yes n
no n
repaired n
11. Control cable ZD connected to leak detector:
yes n
no n
repaired n
12. Vertical laying with solenoid valve – function OK:
yes n
no n
repaired
n
13. Permanent power supply connection, non-detachable:
yes n
no n
repaired n
14. Alarm of leak detector OK:
yes n
no n
repaired n
15. Leak detector system functional and operationally safe:
yes n
no
n
16. Leak detector system as per approval:
yes n
no
n
17. Leak detector under seal:
yes n
no n
Remarks:
Date:
Signature of expert:
Company stamp
:
* see Page 18, leak detector documentation VLR (must be with device)
31.03.2026 Subject to technical changes. Page 35
