E1FW cable gland means explosion proof class 1 flame proof wire armored cable gland, SUREALL SGA series explosion proof cable gland is made of nickel plated brass or stainless steel flame proof structure to be used for steel wire armored cable in class 1 division 1 gas group A, B, C, D. Specially designed with a tight fixing structure to secure the steel wire, steel tape or steel braided armor layer.