| 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 the speed. We made them with metal ,ss310 also is available