HEADS WITH INTERNAL JOINING COHESIONGR-50, GP 80E50 Heads with internal joining cohesion (Storz heads analogs) are designed for connecting the pressure-suction fire hoses between themselves and with the fire equipment. Specifications Parameter GR-50* GP 80E50** Operating pressure, MPa 1,6 1,6 Nominal bore, mm: 50 80 Overall dimensions, mm: length width 55D98 65D126 Weight, kg 0,350 0,6 * - Coupling hand head pressure analog !. (DIN 14302) * - Analog of B-C adapter (DIN 14342)