Connecting
5.1 Gas connections
5.1.5.2
Purging gas connections
Overview
①
②
Figure 5-5
Design of the gas connections
Dimensions of purging gas couplings
Diameter
Length
Select Ex px, Ex py or Ex pz safety equipment
If you operate the wall-mounted device with the type of protection Ex px, Ex py or Ex pz,
respectively, you have to connect Ex p safety equipment to the device.
42
Purging gas inlet
Purging gas outlet
Purging gas connections
Exterior
Without sealing caps
With sealing caps
Compact Operating Instructions, 11/2019, A5E35134047-04
12 mm
28 mm
41 mm
Devices in explosion-proof design