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MINI Z-PURGE - LEAKAGE COMPENSATION
For purged enclosures in Class I Division 2 Gp A-D, Zone 2
IIC Ex [pz] Ex [py] and Zone 22 Ex pD.
The Leakage Compensation (LC) Pressurizing system has an
initial High Purge Flow rate to remove the gasses which may
be present when the purged enclosure is initially closed. The
high purge rate is initiated manually.
When the purge is turned off a small amount of air flow
maintains the enclosure pressure. This compensates for
leaks, conserving compressed air.
Typical Enclosure Size:
60 ft3 (1.35 m3) @ 8 scfm = 225 Nl/min
120 ft3 (2.70 m3) @ 16 scfm = 450 Nl/min
240 ft3 (5.40 m3) @ 32 scfm = 900 Nl/min
Note: Enclosure sizes are based on 30-minute purge period.
There is no restriction on this purge period.
Features
One Model number includes the
Control Unit (CU) and Relief Valve (RLV)
Simple integrated mounting with little
or no piping needed.
IECEx , ATEX, FM, INMETRO and cULus approvals
covering IEC/EN 60079-2 & NFPA 496.
Clear visual status indication.
Remote Alarm contacts.
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