The Vibration Absorbers series 7690N completely in stainless steel material can be installed inside systems with refrigerant fluids HFC, HFO, HC and CO2 in accordance with Groups 1 and 2, classified A1, A2L and A3 in annex E of standard EN 378-1:2016, with a maximum working pressure up to 50 bar, temperature up to 140°C.