Leak Testing Of Containment System; General Information On Leaks; Recommended Test Setup Oxymat 7 - Siemens SIPROCESS GA700 Compact Operating Instructions

6.3

Leak testing of containment system

6.3.1

General information on leaks

Pressurized enclosure Ex px and Ex pz
The analyzers may only be used in hazardous areas if all required gas inlet and outlet lines
have been connected prior to startup and tested for leaks and tightness with 1.5 times the
respective maximum permissible operating pressure.
The operator is responsible for the required gas inlet and outlet lines. These must also
correspond to "Pressurized enclosure" protection requirements and must be tested separately
in accordance with the EN 609079-2 standard.
6.3.2

Recommended test setup OXYMAT 7

Arrangement of the gas connections
The figure below is a schematic view of the gas connections:
1
2
Figure 6-1
Devices in explosion-proof design
Compact Operating Instructions, 05/2015, A5E35134047-02
Sample gas inlet
Sample gas outlet
OXYMAT7: Arrangement of the gas connections
6.3 Leak testing of containment system
3 not assigned
4 Reference gas inlet
Commissioning
67