Technical details

LD

S

8.363

Leak monitoring system

s

Leak monitoring: Checking the plan

t

Positive pressure leak detector type DLR-G ... PM and DLR-P 2.0 – Checking the plan

t

Pos. No. Component to be checked

tight/

untight/

functions well

defective

1

N2 bottle valve: spindle/threa

d

2

N2 pressure reducing valve: check if BRUGG type!

If from another manufacturer: replace it!

3

N2 pressure reducer

5

Safety valv

e

6

Screw connections: manometer

7

All connections: in leak detector

8/9

All screw connections: test valve

s

10

All screw connections: measuring branche

s

11

Pressure tests of ind. lines: surveillance space

When piping is untigh

t

12

Screw socket, inner weld seams / GRAPA

13

Screw socket, outer weld seams / GRAPA

14

Screw socket, all

fitting drill hole

s

15

Positive pressure pump (only DLR-P 2.0

)

16

Positive pressure switch, switching levels (only DLR-P 2.0

)

pump “off” < 2400 mba

r

pump “on” > 2300 mbar

Alarm “on” > 2000 mbar

17

Dry filter (only DLR-P 2.0)

Put into operation

yes

no

Surveillance space has clear passage

Existing defects recti

fied

Plant put into operatio

n

Positive pressure leak detector under sea

l

Stamp

/

Date:

Signature

:

31.03.2026 Subject to technical changes. Page 37