BCH-proof box threading, F-type threading box, explosion-proof threaded tee box factory outlets, threading box types are: A type of threading box, b-type threading box, threading box ㊣C type, ㊣D type threading box, threading box type ㊣E , F-type threading box, H-type explosion-proof box threading threading box threading rectangular box Tel: 13587799049 CBCH explosion-proof box threading applicable 1. ㊣ explosive gas mixtures dangerous places: 1 and Zone 2 Zone 2, ㊣ explosive gas mixtures: ⅡA, ⅡB 3, ㊣ temperature groups: T1-T6 4,, within ㊣ indoor and outdoor BHC (CBCH) explosion-proof box threading structural features 1, ㊣ aluminum die-casting, surface spray; 2, ㊣ as adjustable Can be customized as needed; 3 , ㊣ pipe or cable wiring Another note: Yao mine explosion-proof electrical company also produces: steel threading box. Cast Lu threading box, explosion-proof lighting buy preferred "Yao Lei explosion."