Explosion-proof Breather Drain Applicable LocationZone 1 & Zone 2Zone 21 & Zone 22 *Please download catalogue for details.Explosion-Proof Breather Drain OSBDProtectionDegree of Protection - IP66 IECEx Certification Ex eb I Mb Ex eb IIC Gb Ex tb IIIC Db ATEXCertification II 2 M Ex eb I Mb II 2 G Ex eb IIC Gb II 2 D Ex tb IIIC Db TS Certification Ex eb IIC Gb Ex tb IIIC Db Specification Gland: Nickel plated brass(standard), Stainless steel(316L)(Option) Packing: Nylon Entrance Thread: M16, M20, M25, M32, M40, M50, M63, M75, M90, M100, NPT 3/8",NPT 1/2", NPT 3/4", NPT 1", NPT 1-1/4", NPT 1-1/2", NPT 2", NPT 2-1/2", NPT 3", NPT 3-1/2", NPT 4" Ambient Temperature -60°C ~ + 110°C Catalogue IECEx&ATEX-Download TS-Download