Diaphragm safety valve for closed heating and solar installations, SM120

Diaphragm safety valve for closed heating and solar installations, SM120
The SM120 diaphragm safety valve provides the last line of security for heating systems if the prescribed safety controls fail. In an emergency they must therefore have the capacity to discharge the whole contents of a cylinder in the form of steam. In normal system use they do not come into operation.
For hydronic heating systems to DIN 4751.
Approvals Construction tested to TRD 721
Materials Brass housing and spring bonnet with hot water resistant elastomer diaphragm and seal disc; high quality plastic venting knob
Media water
Max. media temperature 120 oC
Port connection type internal threads
applcertmarkghostge23
applcertmarkvdtuvge23
SM120 with 2,5 bar set pressure for closed heating systems
Plant outputType
50 kW (45.000 kcal/h)SM120-1/2A  PDF
100 kW (90.000 kcal/h)SM120-3/4A  PDF
200 kW (175.000 kcal/h)SM120-1A  PDF
350 kW (300.000 kcal/h)SM120-11/4A  PDF
SM120 with 3,0 bar set pressure for closed heating systems
Plant outputType
50 kW (45.000 kcal/h)SM120-1/2B  PDF
100 kW (90.000 kcal/h)SM120-3/4B  PDF
200 kW (175.000 kcal/h)SM120-1B  PDF
350 kW (300.000 kcal/h)SM120-11/4B  PDF