TUBE BUTT WELD FITTINGS- REDUCING UNIONS
| T-Tube (od)in | T-Wall Thickness | TX-Tube OD | TX-Wall Thickness | Basic Ordering Number | L (IN) MM | Working Pressure |
| 3/8 " | 0.095 | 1/4 " | 0.065 | FU-TB6-TB4 | 1.50 (38.1) | 9930 (685) |
| 1/2 " | 0.095 | 1/4 " | 0.065 | FU-TB8-TB4 | 1.50 (38.1) | 6780 (468) |
| 1/2 " | 0.095 | 3/8 " | 0.095 | FU-TB8-TB6 | 1.50 (38.1) | 6780 (468) |
| 3/4 " | 0.12 | 1/2 " | 0.095 | FU-TB12-TB8 | 1.50 (38.1) | 5530 (381) |
| 1" | 0.134 | 3/4 " | 0.12 | FU-TB16-TB12 | 1.50 (38.1) | 4480 (309) |
| T-Tube (od)in | T-Wall Thickness | TX-Tube OD | TX-Wall Thickness | Basic Ordering Number | L (IN) MM | Working Pressure |
| 20 | 3 | 14 | 2.5 | FU-MTB20-MTB14 | 38.1 (1.50) | 6470 (445) |
| 22 | 3 | 14 | 2.5 | FU-MTB22-MTB14 | 38.1 (1.50) | 5780 (395) |
| 22 | 3 | 18 | 2.8 | FU-MTB22-MTB18 | 38.1 (1.50) | 5780 (395) |
| 25 | 3.5 | 22 | 3 | FU-MTB25-MTB22 | 38.1 (1.50) | 5780 (395) |
| 38 | 5 | 25 | 3.5 | FU-MTB38-MTB25 | 38.1 (1.50) | 5540 (380) |