| Hawke type nr | 478 |
| Available threads | Metric / BSPP / PG / ET / NPSM / NPT |
| Application | zone 1, 2 and zone 21 and 22 |
| Type of protection | Exe IMb / Exd IMb / Exe IIC Gb / Exd IIC Gb / Extb IIIC Db / IM2 / II 2GD |
| Ingress prot | IP66 |
| Material | Brass, brass nickel plated or stainless steel 316 |
| Operating temp | -55°C to +95°C |
| Certified acc to | ATEX / CSA / IECEx / EAC / Inmetro |
