Copper Fittings are made of high-purity copper material and manufactured in accordance with standard ASME/ANSI B 16.22 and EN 1254-1.
| Size | |
| ASME/ANSI B 16.22 | EN 1254-1 |
| 1/4" | 12mm |
| 5/16" | 15mm |
| 3/8" | 16mm |
| 1/2" | 18mm |
| 5/8" | 22mm |
| 3/4" | 28mm |
| 7/8" | 35mm |
| 1" | 42mm |
| 1-1/8" | 54mm |
| 1-3/8" | 67mm |
| 1-1/2" | 76mm |
| 1-5/8" | 80mm |
| 1-3/4" | 89mm |
| 2-1/8" | 108mm |
| 2-5/8" | 133mm |
| 3-1/8" | 159mm |