MT Valves & Fittings product. Available references and published specifications: • 51440040 — measures: BUTTERFLY VALVE LUG NBR SS DISC FREE SHAFT 1 1/2"; weight (kg): 0; small / large box: 0 / 0 • 51440050 — measures: BUTTERFLY VALVE LUG NBR SS DISC FREE SHAFT 2"; weight (kg): 1.7; small / large box: 0 / 0 • 51440065 — measures: BUTTERFLY VALVE LUG NBR SS DISC FREE SHAFT 2 1/2"; weight (kg): 2.02; small / large box: 0 / 0 • 51440080 — measures: BUTTERFLY VALVE LUG NBR SS DISC FREE SHAFT 3"; weight (kg): 2.8; small / large box: 0 / 0 • 51440100 — measures: BUTTERFLY VALVE LUG NBR SS DISC FREE SHAFT 4"; weight (kg): 4.1; small / large box: 0 / 0 • 51440125 — measures: BUTTERFLY VALVE LUG NBR SS DISC FREE SHAFT 5"; weight (kg): 6.3; small / large box: 0 / 0 • 51440150 — measures: BUTTERFLY VALVE LUG NBR SS DISC FREE SHAFT 6"; weight (kg): 7.15; small / large box: 0 / 0 • 51440200 — measures: BUTTERFLY VALVE LUG NBR SS DISC FREE SHAFT 8"; weight (kg): 12.5; small / large box: 0 / 0 • 51440250 — measures: BUTTERFLY VALVE LUG NBR SS DISC FREE SHAFT 10"; weight (kg): 15; small / large box: 0 / 0 • 51440300 — measures: BUTTERFLY VALVE LUG NBR SS DISC FREE SHAFT 12"; weight (kg): 20; small / large box: 0 / 0 Price and local availability on request. Source: https://mtspain.net/en/butterfly-valve-free-stem-lug-type-en-1092-flanged-stainless-steel-disc-nbr-soft-seat/