Mini blow-off valve, ES, not type-tested, operating temp. -20 °C to 180 °C, max. PN 0.5-60 bar, G 1/4, set pressure 0.5-1.0 bar. Manual adjustment of the blow-off pressure (lock nut).
For compressed air and non-toxic, non-flammable gases, free-blowing, therefore not usable for liquids, not suitable for steam!