Duplomatic’s wide range of products and worldwide service network, grant its users a real competitive advantage.
They are compliant with ATEX 94/9/EC standards and are suitable for the use in potentially explosive atmospheres, that fall with the ATEX || 2GD (temperatures class T4 or T5).
The statement of conformity to the up-mentioned standards is always supplied with the valves.
They are available is five versions that allow the unloading of the total flow and selection up to three pressure values by means of a solenoid valve.
A low temperature version (up to -40°C) is available also.
They are supplied with a hexagonal head adjustment screw. Upon request, it can be equipped with a SICBLOC adjustment knob on the main pressure control.
The adjustment of the second and third pressure values is obtained by a pressure relief valve placed between the main stage and the solenoid valve.
The valve is supplied with standard surface treatment of phosphating black for the pilot body. Upon request we can supply these valves completely with zinc-nickel surface treatment, suitable to ensure a salt spray resistance up to 600 h.