MT Valves & Fittings product. Non-return Valve with NBR ball and Flanges. Manufactured in nodular GGG-40 cast iron RAL5013 epoxy paint coating, metal ball with NBR elastomer coating, A-304 stainless steel screws and flanges in accordance with standard UNE EN 1092-2. The non-return valve is designed to completely shut off the flow of fluid in one direction, preventing a reversal of the flow. It withstands a maximum working pressure of 16 bar (250 psi) and can withstand an operating temperature of 0 to 80°C. Model 5125 is ideal for use in hot and cold water, dirty water and septic tanks, oils and neutral chemicals. It can be installed both vertically and horizontally. MT cast iron valves have been designed and manufactured in accordance with UNE EN 12334, s/ UNE EN 1074, face-to-face distance in accordance with DIN 3202-F6. 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: • 5125040 — measures: BALL CHECK VALVE, NBR BALL, FLANGED END DN 40; weight (kg): 7; small / large box: 1 / 1 • 5125050 — measures: BALL CHECK VALVE, NBR BALL, FLANGED END DN 50; weight (kg): 7.5; small / large box: 1 / 1 • 5125065 — measures: BALL CHECK VALVE, NBR BALL, FLANGED END DN 65; weight (kg): 11; small / large box: 1 / 1 • 5125080 — measures: BALL CHECK VALVE, NBR BALL, FLANGED END DN 80; weight (kg): 15.4; small / large box: 1 / 1 • 5125100 — measures: BALL CHECK VALVE, NBR BALL, FLANGED END DN 100; weight (kg): 22; small / large box: 1 / 1 • 5125125 — measures: BALL CHECK VALVE, NBR BALL, FLANGED END DN 125; weight (kg): 34; small / large box: 1 / 1 • 5125150 — measures: BALL CHECK VALVE, NBR BALL, FLANGED END DN 150; weight (kg): 45.3; small / large box: 1 / 1 • 5125200 — measures: BALL CHECK VALVE, NBR BALL, FLANGED END DN 200; weight (kg): 90; small / large box: 1 / 1 • 5125250 — measures: BALL CHECK VALVE, NBR BALL, FLANGED END DN 250; weight (kg): 163; small / large box: 1 / 1 • 5125300 — measures: BALL CHECK VALVE, NBR BALL, FLANGED END DN 300; weight (kg): 230; small / large box: 1 / 1 Price and local availability on request. Source: https://mtspain.net/en/check-cast-iron-pn16-valve-with-nbr-ball-and-flanged-ends/