the series of light is flameproof,material is copper alloy or stainless steel alloy.it passed the examination of National Flameproof Safe Supervision and Inspection station for Luminaire and was approved by CCS(China Classification Society).CFD2a can be used safely and reliably in the place with explosive air mixture,with explosive matters IIA, IIB and temperature group T1-T3. CFD3 and CFD4c fits for in the place with 1-2 zone of explosive matters IIA, IIB, IIC.

specifications: