MT Valves & Fittings product. Available references and published specifications: • 5205144200 — measures: VÁLVULA MARIPOSA LUG NBR 8" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 23.05; small / large box: 1 / 1 • 5205144150 — measures: VÁLVULA MARIPOSA LUG NBR 6" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 16.34; small / large box: 1 / 1 • 5205144125 — measures: VÁLVULA MARIPOSA LUG NBR 5" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 14.74; small / large box: 1 / 1 • 5205144100 — measures: VÁLVULA MARIPOSA LUG NBR 4" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 8.16; small / large box: 1 / 1 • 5205144080 — measures: VÁLVULA MARIPOSA LUG NBR 3" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 7.46; small / large box: 1 / 1 • 5205144065 — measures: VÁLVULA MARIPOSA LUG NBR 21/2" DISCO INOX ACT. DOBLE EFECTO; weight (kg): 6.08; small / large box: 1 / 1 • 5205144050 — measures: VÁLVULA MARIPOSA LUG NBR 2" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 5.17; small / large box: 1 / 1 Price and local availability on request. Source: https://mtspain.net/en/butterfly-valve-lug-type-stainless-steel-disc-nbr-soft-seat-with-actuator-double-acting/