ISO/TC 44/SC 9
| Projekta Nr. | ISO 21904-4:2020 |
|---|---|
| Nosaukums | <p>This document specifies two methods for establishing the minimum air volume flow rate. One method is dedicated for use with captor hoods, nozzles and slot nozzles with a ratio of slot length to hose diameter of 8:1 or less. The other method is dedicated for use with on-gun extraction devices.</p> <p>These methods are not applicable to down draught tables.</p> |
| Reģistrācijas numurs (WIID) | 72139 |
| Darbības sfēra | <p>This document specifies two methods for establishing the minimum air volume flow rate. One method is dedicated for use with captor hoods, nozzles and slot nozzles with a ratio of slot length to hose diameter of 8:1 or less. The other method is dedicated for use with on-gun extraction devices.</p> <p>These methods are not applicable to down draught tables.</p> |
| Statuss | Atcelts |
| ICS grupa | 13.100 25.160.30 |