The 300 type diving umbilical cord is an important equipment matched with mz300-b to maintain gas supply and communication between divers and surface supervision unit. It is composed of gas supply pipe, communication cable, sounding pipe and reinforcing cable. It is divided into 30m, 60m and 100m specifications. Dsus007 diving umbilical is wound by air supply pipe, sounding pipe and reinforced four core communication cable, which can be connected with all kinds of diving masks, diving helmets, diving phones and gas distribution devices. The four core communication cable is specially strengthened to withstand the tensile force of more than 500kg and play the role of safety cable. The weight in air is 450kg, and the weight in water is 450kg
