1/4" Industrial (Type M) vs Orion 5.5 (Swedish standard): specs compared
Updated 05 September 2026.
5
specs differ
1/4" Industrial (Type M) and Orion 5.5 (Swedish standard) differ on 5 specs: interchange, body size, typical port thread, brands, region.
| Spec | 1/4" Industrial (Type M) | Orion 5.5 (Swedish standard) |
|---|---|---|
| Interchange | Industrial / Milton M-style (also Type D, I/M) | Orion / ARO 5.5 (Swedish standard, 5.5 mm nominal) |
| Body size | 1/4 inch (most common home and workshop size) | 1/4 inch body typical |
| Typical port thread | 1/4 BSP or 1/4 NPT | 1/4 BSP |
| Brands | Milton, Amflo, Campbell Hausfeld, PCL | |
| Region | common in Scandinavia and parts of Europe |
Questions and answers
How do 1/4" Industrial (Type M) and Orion 5.5 (Swedish standard) compare?
1/4" Industrial (Type M) and Orion 5.5 (Swedish standard) differ on 5 specs: interchange, body size, typical port thread, brands, region.