MT Valves & Fittings product. Wafer type butterfly valve with ISO 5211 direct mounting pad, universal flange, 316 + PTFE stainless steel disc and PTFE seat. Manufactured in GGG-40 cast iron with RAL5013 epoxy paint coating and flange in accordance with ANSI B16.5 class 125/150 and UNE-EN-1092 (PN10/16). The body is split into two pieces to allow valve maintenance. The butterfly valve is used to partially or completely shut off the flow of a fluid. It withstands a maximum working pressure of 16 bar (250 psi) and can operate at temperatures from -20 to 180°C. Model 51143 is ideal for use in air conditioning, ventilation, heating, water treatment and distribution, fire-fighting systems, irrigation systems, chemical, pharmaceutical and mining industries. MT Industrial Division products are high-quality parts, specifically designed for industrial contexts. The entire range is manufactured under strict quality parameters and complies with the highest certifications in fluid handling. Available references and published specifications: • 51143150MR — measures: BUTTERFLY V. WAFER TYPE S.S.DISC A-316+PTFE WITH REDUCING 6"; weight (kg): 11.7; small / large box: 1 / 1 • 51143200MR — measures: BUTTERFLY V. WAFER TYPE S.S.DISC A-316+PTFE WITH REDUCING 8"; weight (kg): 22.2; small / large box: 1 / 1 • 51143050MR — measures: BUTTERFLY VALVE WAFER TYPE PTFE DISC AND SEAT GEAR BOX 2"; weight (kg): 8.5; small / large box: 0 / 0 • 51143065MR — measures: BUTTERFLY VALVE WAFER TYPE PTFE DISC AND SEAT GEAR BOX 2 1/2; weight (kg): 9.1; small / large box: 0 / 0 • 51143080MR — measures: BUTTERFLY VALVE WAFER TYPE PTFE DISC AND SEAT GEAR BOX 3"; weight (kg): 9.7; small / large box: 0 / 0 • 51143100MR — measures: BUTTERFLY VALVE WAFER TYPE PTFE DISC AND SEAT GEAR BOX 4"; weight (kg): 10.8; small / large box: 0 / 0 • 51143125MR — measures: BUTTERFLY VALVE WAFER TYPE PTFE DISC AND SEAT GEAR BOX 5"; weight (kg): 16; small / large box: 0 / 0 • 51143250MR — measures: BUTTERFLY V. WAFER TYPE S.S.DISC A-316+PTFE WITH REDUCING 10; weight (kg): 32; small / large box: 1 / 1 • 51143300MR — measures: BUTTERFLY V. WAFER TYPE S.S.DISC A-316+PTFE WITH REDUCING 12; weight (kg): 45; small / large box: 1 / 1 Price and local availability on request. Source: https://mtspain.net/en/butterfly-valve-wafer-type-gear-operator-stainless-steel-a-316-ptfe-disc-ptfe-seat/