France
Morocco
Model 3003 purge and pressurization controller designed for hazardous locations. It uses instrument air or inert gas to rapidly exchange and maintain safe internal enclosure pressure, preventing accumulation of flammable gases per NFPA 496/ISA 12.4. Configured for horizontal top mounting with pressure switch and Vortex cooler indicator, it supports Type Y/Z purging and maintains safe setpoint (~0.25″ w.c.). Ideal for Class I, Div 1/2 certified areas transitioning to non‑hazardous zones. UL/FM/ATEX certified.
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