57
8024493/AE00/V1-0/2020-09| SICK
O P E R A T I N G I N S T R U C T I O N S | DUSTHUNTER SP100 Ex-2K
Subject to change without notice
ELECTRICAL INSTALLATION
7
7.6
Installing the purge gas supply
Purge gas hose
Purge gas supply connection
Fig. 26: Purge gas supply connection with sender/receiver unit
For the requirements on the purge gas to be provided onsite
▸
Provide purge gas supply meeting the requirements.
▸
Connect purge gas to the thread of the non-return valve and check the flow direction is
correct.
WARNING:
Risk of explosion through electrostatic charges
▸
An antistatic purge gas hose must be used within the Ex-protection zone.
Non-return valve for instrument air G 1/4“
Purge gas requirement
Standard version:
3 to max. 5 m
³
/h
High-temperature version:
18 m
³
/h
Purge gas supply
Activity
Type and quantity
determined by the
operator
Connect the purge gas to the thread of the non-return valve (
