MT Valves & Fittings product. Available references and published specifications: • 51142040MR — measures: BUTTERFLY VALVE WAFER TYPE S.S.DISC A-316 NBR GEAR OPERATOR; weight (kg): 6.5; small / large box: 1 / 1 • 51142050MR — measures: BUTTERFLY VALVE WAFER TYPE S.S.DISC A-316 NBR GEAR OPERATOR; weight (kg): 6.7; small / large box: 1 / 1 • 51142065MR — measures: BUTTERFLY VALVE WAFER TYPE S.S.DISC A-316 NBR GEAR OPERATOR; weight (kg): 7.2; small / large box: 1 / 1 • 51142080MR — measures: BUTTERFLY VALVE WAFER TYPE S.S.DISC A-316 NBR GEAR OPERATOR; weight (kg): 7.75; small / large box: 1 / 1 • 51142100MR — measures: BUTTERFLY VALVE WAFER TYPE S.S.DISC A-316 NBR GEAR OPERATOR; weight (kg): 9.1; small / large box: 1 / 1 • 51142125MR — measures: BUTTERFLY VALVE WAFER TYPE S.S.DISC A-316 NBR GEAR OPERATOR; weight (kg): 11.3; small / large box: 1 / 1 • 51142150MR — measures: BUTTERFLY VALVE WAFER TYPE S.S.DISC A-316 NBR GEAR OPERATOR; weight (kg): 11.5; small / large box: 1 / 1 • 51142200MR — measures: BUTTERFLY VALVE WAFER TYPE S.S.DISC A-316 NBR GEAR OPERATOR; weight (kg): 24; small / large box: 1 / 1 • 51142250MR — measures: BUTTERFLY VALVE WAFER TYPE S.S.DISC A-316 NBR GEAR OPERATOR; weight (kg): 27; small / large box: 1 / 1 • 51142300MR — measures: BUTTERFLY VALVE WAFER TYPE S.S.DISC A-316 NBR GEAR OPERATOR; weight (kg): 32; small / large box: 1 / 1 Price and local availability on request. Source: https://mtspain.net/en/butterfly-valve-wafer-type-stainless-steel-a-316-disc-universal-flanged-nbr-soft-seat-gear-operator/