222 VALVES SAFETY VALVES Subgroup 760 APPLICATIONS The safety valve is an automatic valve, with brass body, designed to open if the system's internal pressure exceeds the maximum preset value (Nominal Calibration Pressure Pnr), allowing the fluid to discharge through it. Heating plant and boiler components. Complying with European directive PED 2014/68/UE. CODIFICATION: K R S M F 0 1 2 Model: - SMP/F - SMP/M - SRO/M - SRP/M P DN - 1/2" x 3/4" - 3/4" x 1" - 1" x 1"1/4 - 1/2" - 3/4" Bar (set pressure as required) 0 3 4 0 1 2 Code DN DN SET PRESSURE as required [bar] THREADS F/F KR SMP F 012 034 ... 1/2"3/4"1,5 - - 2,5 3 3,5 4 - - 6 7 8 - 10 KR SMP F 034 1 ... 3/4" 1" ---2,533,54--67--- KR SMP F 1 114 ... 1" 1"1/4----3-4--67--10 THREADS M/F KR SMP M 012 034 ... 1/2" 3/4" ---2,53-4--6-8910 KR SRO M 012 ... 1/2" 1/2" -----------8910 KR SRO M 034 ... 3/4" 3/4" -----------8910 KR SRO M 1 ... 1" 1" set pressure 1,5 to 10 bar as required THREADS M/F - FOR SOLAR APPLICATION KR SRP M 012 ... 1/2" 1/2" 1,5 1,8 2 2,5 3 3,5 4 4,5 5 6 7 8 - - KR SRP M 034 ... 3/4"3/4"1,51,8 2 2,5 3 3,5 4 - 5 6 7 8 - - TECHNICAL FEATURES Max PS 10 Bar Working temperatures 0 to 110°C Overpressure 10% Reseating pressure 20% (minimum 0.6 bar)
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