cold air shower nozzle（adjustable

part No. orific size(mm) diamension(mm) material L1 L2 L3 L4 SS, AL alloy, Galvanized sheet 9507-F-LF 40/50/60/70 145 90 22 125-3 9508-F-SS 80/100 170 100 22 152-4 cold air shower nozzle(adjustable) is consist of spray orifice, internal and external bellmouth and fixed flange, a gasket was installed between two bellmouths ,as per V=F/S rules, the S is small,the V will be large,so the dia of inlet and outlet is degressive design, in order to concentrate flow rate and improve