Spring Dungs 229875 white 5-13 mbar 520/5050

Spring Dungs (art. 229875) white, No. 2 is designed for adjusting output pressure in the range of 5–13 mbar in gas pressure regulators of the FRS and FRNG series with Rp 2" (DN 50) connection, including models FRS 520 and FRS 5050. Color coding simplifies identification and selection of the required spring. Used in heating systems, boiler plants, and industrial gas automation. Original spare part from Dungs, article 229875.