he hermetic valves, are “Pressure accessories”. They are designed for installation on commercial refrigerating systems and on civil and industrial conditioning plants, which use refrigerant fluids proper to the Group II.
CONSTRUCTION:
These valves are available in the following two types: – two-ways shut-off valves types 6010/2 and 6012/22; – three-ways valves; two main connections plus a third one for charging or manometer connection, types: – 6065 with right access connection; – 6075 with left access connection. N.B. : the third way must be equiped with a valve core (for example type 8394/A or other similar ones)to be ordered separately. The main parts of the hermetic valves are made with the following materials: – hot forged brass EN 12420 –CW 617N for body; – steel, with proper surface protection, or brass for the spindle; – chloroprene rubber (CR) and aramid fibers for gland seal; – glass reinforced PBT for cap that covers the spindle.