PRESSURE REGULATOR FOR N2 CYLINDER INLET PRESSURE 200BAR ADJUSTABLE OUTLET PRESSURE FROM 0 TO 6 BAR SAFETY VALVE SET AT 6 BAR CONNECTION TO MALE CYLINDER FOR N2 OUTLET CONNECTION 1/4 WITH CONNECTION FOR 6 MM HOSE BODY IN STEEL OR METAL SUITABLE FOR N2 UNI 4409 INLET AND OUTLET PRESSURE GAUGES