(BNG) explosion-proof flexible pipe connecting pipe,explosion proof,flexible pipe. E (BNG) explosion-proof flexible pipeApplication1.Can ... -withstand,corrosion-proof,waterproof ,anti-aging,good flexibility,rigid structure,satety and security.The length,thread size can ... terminal is outer thread G1",rubber sleeve flexible connecting pipe.Suitable for GB3836-2000,IEC60079 standard request.Main ...