MT Valves & Fittings product. Available references and published specifications: • 51442050 — measures: BUTTERFLY VALVE LUG TYPE S.S. DISC AISI-316 PN16 EPDM 2"; weight (kg): 3.5; small / large box: 1 / 1 • 51442065 — measures: BUTTERFLY VALVE LUG TYPE S.S. DISC AISI-316 PN16 EPDM 2 1/2"; weight (kg): 3.75; small / large box: 1 / 1 • 51442080 — measures: BUTTERFLY VALVE LUG TYPE S.S. DISC AISI-316 PN16 EPDM 3"; weight (kg): 4.5; small / large box: 1 / 1 • 51442100 — measures: BUTTERFLY VALVE LUG TYPE S.S. DISC AISI-316 PN16 EPDM 4"; weight (kg): 5.2; small / large box: 1 / 1 • 51442125 — measures: BUTTERFLY VALVE LUG TYPE S.S. DISC AISI-316 PN16 EPDM 5"; weight (kg): 9.5; small / large box: 1 / 1 • 51442150 — measures: BUTTERFLY VALVE LUG TYPE S.S. DISC AISI-316 PN16 EPDM 6"; weight (kg): 11.1; small / large box: 1 / 1 • 51442200 — measures: BUTTERFLY VALVE LUG TYPE S.S. DISC AISI-316 PN16 EPDM 8"; weight (kg): 16.8; small / large box: 1 / 1 • 51442250 — measures: BUTTERFLY VALVE LUG TYPE S.S. DISC AISI-316 PN16 EPDM 10"; weight (kg): 26; small / large box: 1 / 0 • 51442300 — measures: BUTTERFLY VALVE LUG TYPE S.S. DISC AISI-316 PN16 EPDM 12"; weight (kg): 39; small / large box: 1 / 0 Price and local availability on request. Source: https://mtspain.net/en/butterfly-valve-lug-type-en-1092-flanged-stainless-steel-disc-epdm-seat-disc/