MT Valves & Fittings product. PN16 bottom valve with female thread, reinforced body made of CW617N brass. The bottom valve with thread in accordance with ISO 228/1 (DIN 259) allows flow in one direction only. Designed to be mounted in pump sets to prevent loss of priming and guaranteed for use in cold water, hot water and oils. Model 4118 withstands pressure of 16 bar (250 psi) and supports operating temperatures from -20 to 80°C. It has a maximum working pressure of 6 bar at 80°C and 16 bar at 30°C. The valve is suitable for vertical mounting. The wide range of MT valves aims to cover all market needs and satisfy the specific requirements in all geographical areas of the world and the various applications in sectors such as industry, plumbing, heating, irrigation, etc. Available references and published specifications: • 4118015 — measures: F BOTTOM VALVE THREADED PN16 1/2"; weight (kg): 0.16; small / large box: 15 / 60 • 4118020 — measures: F BOTTOM VALVE THREADED PN16 3/4"; weight (kg): 0.2; small / large box: 12 / 48 • 4118025 — measures: F BOTTOM VALVE THREADED PN16 1"; weight (kg): 0.24; small / large box: 12 / 48 • 4118032 — measures: F BOTTOM VALVE THREADED PN16 1 1/4"; weight (kg): 0.4; small / large box: 5 / 20 • 4118040 — measures: F BOTTOM VALVE THREADED PN16 1 1/2"; weight (kg): 0.54; small / large box: 3 / 12 • 4118050 — measures: F BOTTOM VALVE THREADED PN16 2"; weight (kg): 0.84; small / large box: 2 / 8 • 4118065 — measures: F BOTTOM VALVE THREADED PN16 2 1/2"; weight (kg): 1.03; small / large box: 1 / 8 • 4118080 — measures: F BOTTOM VALVE THREADED PN16 3"; weight (kg): 1.64; small / large box: 1 / 4 • 4118100 — measures: F BOTTOM VALVE THREADED PN16 4"; weight (kg): 2.9; small / large box: 1 / 2 Price and local availability on request. Source: https://mtspain.net/en/brass-bottom-valve-pn16-female-threaded/