MT Valves & Fittings product. Wafer type butterfly valve with universal flange, A-316 stainless steel disc and NBR soft seat. Manufactured in GGG-40 cast iron with RAL5013 epoxy paint coating and flange in accordance with UNE-EN-1092 (PN6/10/16) and ANSI B16.5 class 125/150. 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 and can operate at temperatures from -20 to 80°C. Model 51142 is ideal for use in air conditioning, ventilation, heating, water treatment and distribution, gas, oil and hydrocarbons, fire-fighting systems, irrigation systems, chemical, pharmaceutical and mining industries. MT cast iron valves are designed and manufactured in accordance with EN 593, testing and inspection in accordance with EN 12266-1, face-to-face distance in accordance with EN 558 (20 series) and ISO 5211 direct mounting pad. They can be installed both horizontally and vertically. 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: • 51142050 — measures: BUTTERFLY VALVE WAFER TYPE S. S. DISC A-316 NBR 2"; weight (kg): 2.7; small / large box: 1 / 1 • 51142065 — measures: BUTTERFLY VALVE WAFER TYPE S. S. DISC A-316 NBR 2 1/2"; weight (kg): 3.2; small / large box: 1 / 1 • 51142080 — measures: BUTTERFLY VALVE WAFER TYPE S. S. DISC A-316 NBR 3"; weight (kg): 3.75; small / large box: 1 / 1 • 51142100 — measures: BUTTERFLY VALVE WAFER TYPE S. S. DISC A-316 NBR 4"; weight (kg): 5.1; small / large box: 1 / 1 • 51142125 — measures: BUTTERFLY VALVE WAFER TYPE S. S. DISC A-316 NBR 5"; weight (kg): 7.3; small / large box: 1 / 1 • 51142150 — measures: BUTTERFLY VALVE WAFER TYPE S. S. DISC A-316 NBR 6"; weight (kg): 7.15; small / large box: 1 / 1 • 51142200 — measures: BUTTERFLY VALVE WAFER TYPE S. S. DISC A-316 NBR 8"; weight (kg): 14; small / large box: 1 / 1 • 51142250 — measures: BUTTERFLY VALVE WAFER TYPE S. S. DISC A-316 NBR 10"; weight (kg): 17; 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/