Set di ricambio molle 5 rosso 25 - 55 mbar DN 65, 80

This replacement spring set, marked with a red dot, is suitable for pressure ranges from 25 to 55 mbar and fits DN 65 and DN 80 connections. It is a critical spare part for gas pressure regulators or valves in boiler and burner systems, ensuring accurate pressure control and reliable operation. Ideal for maintenance and repair of heating equipment components.