Thermal safety discharge value for solid-fuel non-pulverised double security boilers. Nickel-plated brass CW617N casing. Immersion probe with 145 mm sheath and 1/2″M connection. Maximum discharging capacity: 6500 l/h at 8 bar. Max. Operating pressure: 10 bar. Rating temperature: 97 °C. Max. capacity discharge temperature: 107 °C. G ¾” F inlet and outlet connections. Certified in accordance with DIN3440 issued by the TÜV. Complies with the requirements provided by Register R, point R.3.C.1, ed. 1982 of the ISPESL.