MT Valves & Fittings product. Available references and published specifications: • WN1506015 — measures: WELDING NECK FLANGE A-316L ANSI 150 1/2"; weight (kg): 0.5; small / large box: 1 / 1 • WN1506020 — measures: WELDING NECK FLANGE A-316L ANSI 150 3/4"; weight (kg): 0.7; small / large box: 1 / 1 • WN1506025 — measures: WELDING NECK FLANGE A-316L ANSI 150 1"; weight (kg): 1.1; small / large box: 1 / 1 • WN1506032 — measures: WELDING NECK FLANGE A-316L ANSI 150 1 1/4"; weight (kg): 1.5; small / large box: 1 / 1 • WN1506040 — measures: WELDING NECK FLANGE A-316L ANSI 150 1 1/2"; weight (kg): 1.8; small / large box: 1 / 1 • WN1506050 — measures: WELDING NECK FLANGE A-316L ANSI 150 2"; weight (kg): 2.7; small / large box: 1 / 1 • WN1506065 — measures: WELDING NECK FLANGE A-316L ANSI 150 2 1/2"; weight (kg): 4.4; small / large box: 1 / 1 • WN1506080 — measures: WELDING NECK FLANGE A-316L ANSI 150 3"; weight (kg): 5.2; small / large box: 1 / 1 • WN1506100 — measures: WELDING NECK FLANGE A-316L ANSI 150 4"; weight (kg): 7.5; small / large box: 1 / 1 • WN1506125 — measures: WELDING NECK FLANGE A-316L ANSI 150 5"; weight (kg): 9.2; small / large box: 1 / 1 • WN1506150 — measures: WELDING NECK FLANGE A-316L ANSI 150 6"; weight (kg): 11; small / large box: 1 / 1 • WN1506200 — measures: WELDING NECK FLANGE A-316L ANSI 150 8"; weight (kg): 18.3; small / large box: 1 / 1 • WN1506250 — measures: WELDING NECK FLANGE A-316L ANSI 150 1"; weight (kg): 23; small / large box: 1 / 1 Price and local availability on request. Source: https://mtspain.net/en/ansi-a-316l-welding-neck-stainless-steel-flange/