MT Valves & Fittings product. 3-bar diaphragm safety valve with male-female connection. Body made of hot-stamped CW617N brass, galvanised spring and EPDM diaphragm seal. With thread in accordance with ISO 228/1 (DIN 259) and anti-drip device. This type of valve is designed to relieve excess pressure in hydraulic circuits. The set pressure is the point at which the valve opens and empties some of the fluid content until the pressure returns to the set pressure. Model 4415, ideal for use in both cold and hot water, has an operating temperature range of 5 to 120°C. It has a maximum pressure of 10 bar and a valve opening pressure of 3 bar. 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: • 4415015 — measures: DIAPHRAGM SAFETY VALVES 3 BAR 1/2"; weight (kg): 0.13; small / large box: 1 / 100 • 4415020 — measures: DIAPHRAGM SAFETY VALVES 3 BAR 3/4"; weight (kg): 0.2; small / large box: 1 / 90 Price and local availability on request. Source: https://mtspain.net/en/diaphragm-safety-valve-3-bar/