MT Valves & Fittings product. Available references and published specifications: • 52051442200 — measures: VÁLVULA MARIPOSA LUG EPDM 8" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 23.35; small / large box: 1 / 1 • 52051442150 — measures: VÁLVULA MARIPOSA LUG EPDM 6" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 16.31; small / large box: 1 / 1 • 52051442125 — measures: VÁLVULA MARIPOSA LUG EPDM 5" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 14.71; small / large box: 1 / 1 • 52051442100 — measures: VÁLVULA MARIPOSA LUG EPDM 4" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 8.16; small / large box: 1 / 1 • 52051442080 — measures: VÁLVULA MARIPOSA LUG EPDM 3" DISCO INOX ACTUAD. DOBLE EFECTO; weight (kg): 7.46; small / large box: 1 / 1 • 52051442065 — measures: VÁLVULA MARIPOSA LUG EPDM 21/2" DISCO INOX ACT. DOBLE EFECTO; weight (kg): 6.08; small / large box: 1 / 1 • 52051442050 — measures: VÁLVULA MARIPOSA LUG EPDM 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-epdm-soft-seat-with-actuator-double-acting/