Features: 1) Size: 40mm (1 1/2), 45mm (1 3/4), 50mm (2), 65mm (2 1/2), 80mm (3), 100mm (4) 2) Working pressure: 8 bar, 10 bar, 13 bar, 16 bar, 20 bar 3) Bursting pressure: 24 bar, 30 bar, 39 bar and 48 bar separately 4) Materials: a) Outside jacket: polyester fiber and polypropylene, high strength synthetic polyester yarns, polypropylene only b) Inner lining: red, black or white rubber c) Outside jacket colors: white, red