Ressort Dungs 229823 jaune 30 - 70 mbar 503 - 505

Spring Dungs (art. 229823) yellow, No. 6 is designed for adjusting output pressure in the range of 30–70 mbar in gas pressure regulators of the FRS and FRI series with Rp ⅜" and Rp ½" connection, including models FRS 503, FRS 505, FRI 705 and FRI 707. 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 229823.