... pipe connecting pipe,explosion proof,flexible pipe. E (BNG) explosion-proof flexible pipe Application1.Can be used in Zone ... IIB,IIC groups explosive atmosphere.FeaturesFlame-withstand,corrosion-proof,waterproof ,anti-aging,good flexibility,rigid structure,satety and security.The ... thread G3/4",another terminal is outer thread G1",rubber sleeve flexible connecting pipe.Suitable for GB3836-2000,IEC60079 ...