MT Valves & Fittings product. Available references and published specifications: • SW1506015 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 1/2"; weight (kg): 0.4; small / large box: 1 / 1 • SW1506020 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 3/4"; weight (kg): 0.7; small / large box: 1 / 1 • SW1506025 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 1"; weight (kg): 0.9; small / large box: 1 / 1 • SW1506032 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 1 1/4"; weight (kg): 1.2; small / large box: 1 / 1 • SW1506040 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 1 1/2"; weight (kg): 1.5; small / large box: 1 / 1 • SW1506050 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 2"; weight (kg): 2.3; small / large box: 1 / 1 • SW1506065 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 2 1/2"; weight (kg): 3.7; small / large box: 1 / 1 • SW1506080 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 3"; weight (kg): 4.2; small / large box: 1 / 1 • SW1506100 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 4"; weight (kg): 5.8; small / large box: 1 / 1 • SW1506125 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 5"; weight (kg): 6.5; small / large box: 1 / 1 • SW1506150 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 6"; weight (kg): 7.8; small / large box: 1 / 1 • SW1506200 — measures: SOCKET WELDING FLANGE A-316L ANSI 150 8"; weight (kg): 13.1; small / large box: 1 / 1 Price and local availability on request. Source: https://mtspain.net/en/ansi-a-316l-socket-welding-stainless-steel-flange/