- all Synthetic Fiber Circular Woven Jacketed Epdm Synthetic Reinforced Rubber Lined (rrl) Delivery Fire Hose Diameter 63mm X 15mtr Length - Working Pressure 14kg/cm2 Proof Pressure 22kg/cm2 Burst Pressure 38kg/cm2 - Bearing Is: 636-1988 Type A, Isi Mark - Dully Fitted with Hose Coupling Made of Gunmetal Pair of Male & Female Parts Instantaneous Pattern Size: 63mm X 63mm - Bearing Is: 903 Isi Mark.