Muelle Dungs 229897 amarillo 30 - 70 mbar 5100

Dungs spring (art. 229897) yellow, No. 6 is designed for adjusting outlet pressure in the range of 30–70 mbar in gas pressure regulators of the FRS and FRNG series, including the FRS 5100 model. Color coding simplifies identification and selection of the required spring. Used in heating systems, boiler plants and industrial gas automation.