CHARACTERISTIC: This equipment is useful to inject liquid sulphur dioxide into the stockage tanks, inserting it by the valve that is located at the base of the tanks, so avoiding the operations of decanting or repassing of must over the grape dregs. DESCRIPTION: The RETRACTABLE BAR is entirely built in 304 and 316 stainless steel, with PTFE gaskets. It uses the pressure thrust ofC02 or N2 and this pressure is properly reduced by an adjustment set.