Packing Gland 2 : In fire pumps, usually of graphite-impregnated fibre or cotton which is maintained in close contact with the impeller shaft by an adjustable gland ring. The purpose of the gland is to obtain a water-tight seal
H. J. Porter (Chairman - Technical Committee), Dictionary of Fire Technology, The Institution of Fire Engineers, The Victory Press (Leicester) Ltd. 1979 UK. (Fr Tech - Brit) {81}