| An Union | An Bulkhead Union | |
| Available Size | : | 1/8" ODT to 2" ODT, 3mm ODT to 38mm ODT | | Pressure Rating | : | Up to 10,000 PSI (Depending on size) | | Temperature Rating | : | Up to 400ºC | | End Connections | : | Available with NPT (National Pipe Taper), BSP/ISO (British Standard Pipe/ International Standard Organization), SAE/MS Straight threads. |
 An Union |  An Bulkhead Union | |  |