Series:Tube Fitting-Reducing Union Tees-
Model:Fractional Tube—NPT Thread
Fd-lok reducing union are made according to international standard,interchangeable with Swagelok's tube fittings.Fd-lok tube fittings consists of double ferrules, connector body and nut. The mechanical grip design of double ferrules allows leak-proof connetion, repeat connect and disconnet.Fd-lok reducing union features in:
1. Sizes range from 1/16" to 1 1/2" and 2mm to 38mm
2. Different materials and configurations are available
3 Hardness can reach 700-900 HV.
4. Fittings are easy to disconnect and retighten.
5.Fittings are available in various materials, such as
SS316,SS316L,MONEL 400,HASTELLOY C276, F51, F53, F55, INCOLLOY 625, 825 ETC.
DescriptionSend Inquiry
Basic_ Ordering Number | DIM mm E | DIM mm F | Inter- changes with | DIM mm L1 | DIM mm L2 | DIM mm L3 | DIM mm C1 | DIM mm G1 | DIM mm G2 | DIM mm G3 | T1- Tube 0.D (in.) | T2- Tube 0.D (in.) | T3- Tube 0.D (in.) | DIM mm C2 | DIM mm C3 | CLICK |
1/4 | 1/4 | 1/8 | -TTT-S4-S4-S2 | 26.7 | 26.7 | 24.4 | 15.2 | 15.2 | 12.7 | 14.3 | 14.3 | 11.1 | 12.7 | 2.3 |
| |
3/8 | 1/4 | 1/4 | -TTT-S6-S4-S4 | 30.5 | 29.0 | 29.0 | 16.8 | 15.2 | 15.2 | 17.5 | 14.3 | 14.3 | 15.9 | 4.8 |
| |
3/8 | 1/4 | 3/8 | -TTT-S6-S4-S6 | 30.5 | 29.0 | 30.5 | 16.8 | 15.2 | 16.8 | 17.5 | 14.3 | 17.5 | 15.9 | 4.8 | -600-3-4-6 |
|
3/8 | 3/8 | 1/4 | -TTT-S6-S6-S4 | 30.5 | 30.5 | 29.0 | 16.8 | 16.8 | 15.2 | 17.5 | 17.5 | 14.3 | 15.9 | 4.8 | -600-3-6-4 |
|
1/2 | 1/4 | 1/4 | -TTT-S8-S4-S4 | 36.1 | 31.8 | 31.8 | 22.9 | 15.2 | 15.2 | 22.2 | 14.3 | 14.3 | 20.6 | 4.8 |
| |
1/2 | 1/4 | 1/2 | -TTT-S8-S4-S8 | 36.1 | 31.8 | 36.1 | 22.9 | 15.2 | 22.9 | 22.2 | 14.3 | 22.2 | 20.6 | 4.8 |
| |
1/2 | 3/8 | 3/8 | -TTT-S8-S6-S6 | 36.1 | 33.3 | 33.3 | 22.9 | 16.8 | 16.8 | 22.2 | 17.5 | 17.5 | 20.6 | 7.1 | -810-3-6-6 |
|
1/2 | 3/8 | 1/2 | -TTT-S8-S6-S8 | 36.1 | 33.3 | 36.1 | 22.9 | 16.8 | 22.9 | 22.2 | 17.5 | 22.2 | 20.6 | 7.1 |
| |
1/2 | 1/2 | 1/4 | -TTT-S8-S8-S4 | 36.1 | 36.1 | 31.8 | 22.9 | 22.9 | 15.2 | 22.2 | 22.2 | 14.3 | 20.6 | 4.8 | -810-3-8-4 |
|
1/2 | 1/2 | 3/8 | -TTT-S8-S8-S6 | 36.1 | 36.1 | 33.3 | 22.9 | 22.9 | 16.8 | 22.2 | 22.2 | 17.5 | 20.6 | 7.1 | -810-3-8-6 |
|
5/8 | 3/8 | 3/8 | -TTT-S10-S6-S6 | 38.9 | 36.1 | 36.1 | 24.4 | 16.8 | 16.8 | 25.4 | 17.5 | 17.5 | 25.4 | 7.1 | -1010-3-8-6 |
|
5/8 | 3/8 | 1/2 | -TTT-S10-S6-S8 | 38.9 | 36.1 | 38.9 | 24.4 | 16.8 | 22.9 | 25.4 | 17.5 | 22.2 | 25.4 | 7.1 |
| |
5/8 | 1/2 | 3/8 | -TTT-S10-S8-S6 | 38.9 | 38.9 | 36.1 | 24.4 | 22.9 | 16.8 | 25.4 | 22.2 | 17.5 | 25.4 | 7.1 | -1010-3-10-6 |
|
5/8 | 1/2 | 1/2 | -TTT-S10-S8-S8 | 38.9 | 38.9 | 38.9 | 24.4 | 22.9 | 22.9 | 25.4 | 22.2 | 22.2 | 25.4 | 10.4 | ||
5/8 | 5/8 | 3/8 | -TTT-S10-S10-S6 | 38.9 | 38.9 | 36.1 | 24.4 | 24.4 | 16.8 | 25.4 | 25.4 | 17.5 | 25.4 | 7.1 |
| |
5/8 | 5/8 | 1/2 | -TTT-S10-S10-S8 | 38.9 | 38.9 | 38.9 | 24.4 | 24.4 | 22.9 | 25.4 | 25.4 | 22.2 | 25.4 | 10.4 |
| |
3/4 | 3/8 | 3/8 | -TTT-S12-S6-S6 | 39.6 | 36.9 | 36.9 | 24.4 | 16.8 | 16.8 | 28.6 | 17.5 | 17.5 | 27.0 | 7.1 | -1210-3-6-6 |
|
3/4 | 1/2 | 3/8 | -TTT-S12-S8-S6 | 39.6 | 39.6 | 36.9 | 24.4 | 22.9 | 16.8 | 28.6 | 22.2 | 17.5 | 27.0 | 7.1 | -1210-3-8-6 |
|
3/4 | 1/2 | 1/2 | -TTT-S12-S8-S8 | 39.6 | 39.6 | 39.6 | 24.4 | 22.9 | 22.9 | 28.6 | 22.2 | 22.2 | 27.0 | 10.4 |
| |
3/4 | 5/8 | 3/8 | -TTT-S12-S10-S6 | 39.6 | 39.6 | 36.9 | 24.4 | 24.4 | 16.8 | 28.6 | 25.4 | 17.5 | 27.0 | 7.1 |
| |
3/4 | 5/8 | 1/2 | -TTT-S12-S10-S8 | 39.6 | 39.6 | 39.6 | 24.4 | 24.4 | 22.9 | 28.6 | 25.4 | 22.2 | 27.0 | 10.4 |
| |
3/4 | 5/8 | 5/8 | -TTT-S12-S10-S10 | 39.6 | 39.6 | 39.6 | 24.4 | 24.4 | 24.4 | 28.6 | 25.4 | 25.4 | 27.0 | 12.7 |
| |
3/4 | 3/4 | 1/4 | -TTT-S12-S12-S4 | 39.6 | 39.6 | 35.1 | 24.4 | 24.4 | 15.2 | 28.6 | 28.6 | 14.3 | 27.0 | 4.8 |
| |
3/4 | 3/4 | 3/8 | -TTT-S12-S12-S6 | 39.6 | 39.6 | 36.9 | 24.4 | 24.4 | 16.8 | 28.6 | 28.6 | 17.5 | 27.0 | 7.1 | -1210-3-12-6 |
|
3/4 | 3/4 | 1/2 | -TTT-S12-S12-S8 | 39.6 | 39.6 | 39.6 | 24.4 | 24.4 | 22.9 | 28.6 | 28.6 | 22.2 | 27.0 | 10.4 | -1210-3-12-8 |
|
3/4 | 3/4 | 5/8 | -TTT-S12-S12-S10 | 39.6 | 39.6 | 39.6 | 24.4 | 24.4 | 24.4 | 28.6 | 28.6 | 25.4 | 27.0 | 12.7 |
| |
7/8 | 1/2 | 3/4 | -TTT-S14-S8-S12 | 44.7 | 44.7 | 44.7 | 25.9 | 22.9 | 24.4 | 31.8 | 22.2 | 28.6 | 34.9 | 10.4 |
| |
7/8 | 5/8 | 3/8 | -TTT-S14-S10-S6 | 44.7 | 44.7 | 41.9 | 25.9 | 24.4 | 16.8 | 31.8 | 25.4 | 17.5 | 34.9 | 7.1 |
| |
7/8 | 3/4 | 3/8 | -TTT-S14-S12-S6 | 44.7 | 44.7 | 41.9 | 25.9 | 24.4 | 16.8 | 31.8 | 28.6 | 17.5 | 34.9 | 7.1 |
| |
7/8 | 3/4 | 1/2 | -TTT-S14-S12-S8 | 44.7 | 44.7 | 44.7 | 25.9 | 24.4 | 22.9 | 31.8 | 28.6 | 22.2 | 34.9 | 10.4 |
| |
7/8 | 3/4 | 3/4 | -TTT-S14-S12-S12 | 44.7 | 44.7 | 44.7 | 25.9 | 24.4 | 24.4 | 31.8 | 31.8 | 28.6 | 34.9 | 15.7 | ||
7/8 | 7/8 | 1/4 | -TTT-S14-S14-S4 | 44.7 | 44.7 | 40.4 | 25.9 | 25.9 | 15.2 | 31.8 | 31.8 | 14.3 | 34.9 | 4.8 |
| |
7/8 | 7/8 | 3/8 | -TTT-S14-S14-S6 | 44.7 | 44.7 | 41.9 | 25.9 | 25.9 | 16.8 | 31.8 | 17.5 | 17.5 | 34.9 | 7.1 |
| |
1 | 3/8 | 3/8 | -TTT-S16-S6-S6 | 49.3 | 41.9 | 41.9 | 31.2 | 16.8 | 16.8 | 38.1 | 22.2 | 17.5 | 34.9 | 7.1 |
| |
1 | 1/2 | 1/4 | -TTT-S16-S8-S4 | 49.3 | 44.7 | 40.4 | 31.2 | 22.9 | 15.2 | 38.1 | 22.2 | 14.3 | 34.9 | 4.8 |
| |
1 | 1/2 | 3/8 | -TTT-S16-S8-S6 | 49.3 | 44.7 | 41.9 | 31.2 | 22.9 | 16.8 | 38.1 | 22.2 | 17.5 | 34.9 | 7.1 |
| |
1 | 1/2 | 1/2 | -TTT-S16-S8-S8 | 49.3 | 44.7 | 44.7 | 31.2 | 22.9 | 22.9 | 38.1 | 22.2 | 22.2 | 34.9 | 10.4 |
| |
1 | 1/2 | 1 | -TTT-S16-S8-S16 | 49.3 | 44.7 | 49.3 | 31.2 | 22.9 | 31.2 | 38.1 | 22.2 | 38.1 | 34.9 | 10.4 |
| |
1 | 5/8 | 3/8 | -TTT-S16-S10-S6 | 49.3 | 44.7 | 41.9 | 31.2 | 24.4 | 16.8 | 38.1 | 25.4 | 17.5 | 34.9 | 7.1 |
| |
1 | 3/4 | 3/8 | -TTT-S16-S12-S6 | 49.3 | 44.7 | 41.9 | 31.2 | 24.4 | 16.8 | 38.1 | 28.6 | 17.5 | 34.9 | 7.1 | -1610-3-12-6 |
|
1 | 3/4 | 1/2 | -TTT-S16-S12-S8 | 49.3 | 44.7 | 44.7 | 31.2 | 24.4 | 22.9 | 38.1 | 28.6 | 22.2 | 34.9 | 10.4 |
| |
1 | 3/4 | 5/8 | -TTT-S16-S12-S10 | 49.3 | 44.7 | 44.7 | 31.2 | 24.4 | 24.4 | 38.1 | 28.6 | 25.4 | 34.9 | 12.7 |
| |
1 | 3/4 | 1 | -TTT-S16-S12-S16 | 49.3 | 44.7 | 49.3 | 31.2 | 24.4 | 31.2 | 38.1 | 31.8 | 38.1 | 34.9 | 15.7 |
| |
1 | 7/8 | 1/4 | -TTT-S16-S14-S4 | 49.3 | 44.7 | 40.4 | 31.2 | 25.9 | 15.2 | 38.1 | 31.8 | 14.3 | 34.9 | 4.8 |
| |
1 | 7/8 | 3/8 | -TTT-S16-S14-S6 | 49.3 | 44.7 | 41.9 | 31.2 | 25.9 | 16.8 | 38.1 | 31.8 | 17.5 | 34.9 | 7.1 |
| |
1 | 7/8 | 1/2 | -TTT-S16-S14-S8 | 49.3 | 44.7 | 44.7 | 31.2 | 25.9 | 22.9 | 38.1 | 31.8 | 22.2 | 34.9 | 10.4 |
| |
1 | 7/8 | 3/4 | -TTT-S16-S14-S12 | 49.3 | 44.7 | 44.7 | 31.2 | 25.9 | 24.4 | 38.1 | 31.8 | 28.6 | 34.9 | 12.7 |
| |
1 | 7/8 | 7/8 | -TTT-S16-S14-S14 | 49.3 | 44.7 | 44.7 | 31.2 | 25.9 | 25.9 | 38.1 | 31.8 | 31.8 | 34.9 | 18.3 | ||
1 | 1 | 1/4 | -TTT-S16-S16-S4 | 49.3 | 49.3 | 40.4 | 31.2 | 31.2 | 15.2 | 38.1 | 38.1 | 14.3 | 34.9 | 4.8 |
| |
1 | 1 | 3/8 | -TTT-S16-S16-S6 | 49.3 | 49.3 | 41.9 | 31.2 | 31.2 | 16.8 | 38.1 | 38.1 | 17.5 | 34.9 | 7.1 | -1610-3-16-6 |
|
1 | 1 | 1/2 | -TTT-S16-S16-S8 | 49.3 | 49.3 | 44.7 | 31.2 | 31.2 | 22.9 | 38.1 | 38.1 | 22.2 | 34.9 | 10.4 | -1610-3-16-8 |
|
1 | 1 | 5/8 | -TTT-S16-S16-S10 | 49.3 | 49.3 | 44.7 | 31.2 | 31.2 | 24.4 | 38.1 | 38.1 | 25.4 | 34.9 | 12.7 |
| |
1 | 1 | 3/4 | -TTT-S16-S16-S12 | 49.3 | 49.3 | 44.7 | 31.2 | 31.2 | 24.4 | 38.1 | 38.1 | 28.6 | 34.9 | 15.7 | -1610-3-16-12 |
|
1 | 1 | 7/8 | -TTT-S16-S16-S14 | 49.3 | 49.3 | 44.7 | 31.2 | 31.2 | 25.9 | 38.1 | 38.1 | 31.8 | 34.9 | 18.3 |
| |
1 1/4 | 1 1/4 | 1 | -TTT-S20-S20-S16 | 67.8 | 67.8 | 55.1 | 41.2 | 41.2 | 31.3 | 47.6 | 47.6 | 38.1 | 42.9 | 22.4 | -2000-3-20-16 |
|
1 1/2 | 1 1/2 | 1 | -TTT-S24-S24-S16 | 78.7 | 78.7 | 60.0 | 50.0 | 50.0 | 31.3 | 57.2 | 57.2 | 38.1 | 50.8 | 22.4 | -2400-3-24-16 |
The Female nut threads of FD-LOK Reducing Union Tees are silver-plated to minimize the friction with the body threads.