Technical details

Leak monitoring system

s

Vacuum leak detector type VLX 330/A-Ex

Laying in one line up to max. 10 bar

Connecting the leak detector to the surveillance space

of the double-walled piping (Worksheet LDS 8.232

)

A test valve must be installed at the far end of the pipe. The low point(s) must no

t

exceed a depth of 3.5 m. The piping can have further high or low points as long a

s

the sum of the high and low points does not exceed 3.5 m

.

MA

measuring branc

h

DS

detonation protection (only if Ex danger

)

AV

connection

fittin

g

PV

test valv

e

KP

crosspoin

t

P

V

A

V

P

V

A

V

P

V

A

V

m

a

x

.

1

0

0

m

shut

BV

GD

D

S

open

m

a

x

.

3

.

5

m

A

V

KP

DS

MA

m

a

x

.

3

.

0

m

31.03.2026 Subject to technical changes. Page 1

6

LD

S

8.233

shut

BV

GD

DS

open

KP

DS

m

a

x

.

3

.

5

m

M

A

A

V

m

a

x

.

3

.

0

m