Appendix A
A.1
Ex px safety equipment
A.1.1
Overview
Example of Ex p safety equipment
①
Ex interface relay SR852
③
Purging gas inlet, Swagelok, 12 mm (outer diameter)
⑤
SVP2, proportional rinsing liquid valve, 2 mm, 24 VDC
Devices in explosion-proof design
Compact Operating Instructions, 01/2022, A5E35134047-11
②
Electrical connections I/O wall-mounted device
④
Pressure regulating valve for purging gas with pressure
gauge, G 1/4", primary pressure max. 10 bar
⑥
Purging gas inlet → wall-mounted device, Swagelok, 12 mm
(outer diameter)
A
101