PPG TÜV High Performance Safety Valve G 1"(11,5bar) Brass TÜV high performance safety valve fixed & sealed Brass version DN [mm] 20 Thread G 1" Set pressure [bar] 11,50 Blow-off capacity [m³/h] 2,249 h [mm] 14 H [mm] 111 SW [mm] 41 Temperature range [°C] -20 to +200 Component marking TÜV-SV...-2055.20.D/G.0.77 CE0036 11.5 bar