Medium pressure regulator Type FRM By DUNGS can mounted safety shutoff valve (SAV)

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Product Overview


Product Description


Medium pressure regulator Type FRM

Direct acting pressure regulator with adjustable setpoint springs and modular mounted safety shutoff valve (SAV) In compliance with EN 334 and EN 14382


          • Inlet pressures up to 25 bar (2500 kPa)

          • High flow rate

          • Stable, accurate and sensitive regulation of the outlet pressure

          • Admission pressure compensation diaphragm for a high regulation accuracy

          •  External impulse

          •  Maintenance-friendly

         Flange connection according to DN 25 - DN 50


Pressure regulation of industrial gas burners and gas heating appliances. Also for installation in the municipal and commercial gas supply.

Technical Data FRM

DUNGS FRM Technical Data.jpg

Safety shut-off valve in compliance with EN14382, class A

TypeFRM 100... IS (integral strength range) /
FRM 250... DS (differential strength range)
Response time< 2 s
Lower adjustment range10 mbar up to 3000 mbar (1-300 kPa)
Upper adjustment range40 mbar up to 5000 mbar (4-500 kPa)

Main body housing: cast iron GGG 50 (GJS 400-18 on request)

Diaphragm housing: aluminium

Diaphragms: NBR


tap.jpgFRM model.jpg

FRM 100025... DN25 - max. flow volume [Nm3/h] natural gas of density 0,81 kg/m3 (AC 10)

flow rate of DUNGS FRM.jpg

0.0285 s.