Technical details

LD

S

8.217

Leak monitoring system

s

Vacuum leak detector type VLR 410 PMMV Si

Laying in two or multiple lines up to max. 25 bar

Connecting the leak detector to the surveillance spac

e

of the double-walled safety pipe (Worksheet LDS 8.213

)

Max. monitorable pipe length =

sum of all ind. lengths

L max

.

The geodetic di

fference in height between the lowest point of the piping and the leak

detector must not exceed 3.5 m. The depth of 3.5 m is the limiting line between th

e

“highest” and “lowest” low points.

all SECON®-X type

s

FSR 30/4

8

FSR 39/6

0

FSR 48/71

500 m

all other FSR sizes

2000 m

MA

measuring branc

h

AV

connection fittin

g

MV

solenoid valve

BV

ventilation valve

GD

three-way stopcoc

k

FL

fluid barrier

shut

BV

GD

ope

n

exhaus

t

tube

F

L

suction pip

e

m

a

x

.

3

.

5

m

M

A

MA

VÜR

1

measurin

g

lea

d

MA

A

V

AV

MA

VÜR 2

AV

A

V

31.03.2026 Subject to technical changes. Page 12