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"×3/16" | 10×8mm |
| 3/8"×1/4" | 12×8mm |
| 3/8"×5/16" | 12×10mm |
| 1/2"×1/4" | 15×8mm |
| 1/2"×5/16" | 15×10mm |
| 1/2"×3/8" | 15×12mm |
| 5/8"×1/4" | 16×10mm |
| 5/8"×3/8" | 16×12mm |
| 5/8"×1/2" | 16×15mm |
| 3/4"×3/8" | 18×10mm |
| 3/4"×1/4" | 18×12mm |
| 3/4"×1/2" | 18×15mm |
| 3/4"×5/8" | 22×10mm |
| 7/8"×1/4" | 22×12mm |
| 7/8"×3/8" | 22×15mm |
| 7/8"×1/2" | 22×16mm |
| 7/8"×5/8" | 22×18mm |
| 7/8"×3/4" | 28×15mm |