Reducing Unions
General Details
Double Ferrule Stainless Steel Compression Fittings have been designed and developed to meet the demands for reliability and high precision standards. The Alco-Lok range includes Imperial and Metric sizes (see data sheets for all sizes).
Metric Dimensions (mm)
| T o/d | T2 o/d | L1 Length | C1 | C2 | F | G1 Nut | G2 Nut | H Body |
| 8 | 6 | 46 | 20 | 19 | 14 | 17 | 14 | 27 |
| 10 | 6 | 45.5 | 20.5 | 19 | 17 | 19 | 14 | 28 |
| 10 | 8 | 46.5 | 20.5 | 20 | 17 | 19 | 17 | 29 |
| 12 | 6 | 50 | 23 | 19 | 22 | 22 | 14 | 30 |
| 12 | 10 | 51.5 | 23 | 20.5 | 22 | 22 | 19 | 32 |
| 16 | 10 | 52.5 | 24 | 20.5 | 24 | 27 | 19 | 32 |
| 16 | 12 | 55 | 24 | 23 | 24 | 27 | 22 | 32 |
Imperial Dimensions (inch)
| T o/d | T2 o/d | L1 Length | C1 | C2 | F | G1 Nut | G2 Nut | H Body |
| 3/16 | 1/8 | 1.48 | .66 | .63 | 1/2 | 1/2 | 7/16 | .92 |
| 1/4 | 1/8 | 1.56 | .72 | .63 | 1/2 | 9/16 | 7/16 | .97 |
| 1/4 | 3/16 | 1.55 | .70 | .63 | 1/2 | 9/16 | 1/2 | 1.00 |
| 5/16 | 1/4 | 1.66 | .73 | .70 | 9/16 | 5/8 | 9/16 | 1.08 |
| 3/8 | 1/4 | 1.70 | .76 | .70 | 5/8 | 11/16 | 9/16 | 1.12 |
| 3/8 | 5/16 | 1.74 | .76 | .73 | 5/8 | 11/16 | 5/8 | 1.16 |
| 1/2 | 1/4 | 1.85 | .86 | .70 | 13/16 | 7/8 | 9/16 | 1.16 |
| 1/2 | 3/8 | 1.91 | .86 | .76 | 13/16 | 7/8 | 11/16 | 1.22 |
| 5/8 | 3/8 | 1.94 | .86 | .76 | 15/16 | 1 | 11/16 | 1.25 |
| 5/8 | 1/2 | 2.05 | .86 | .86 | 15/16 | 1 | 7/8 | 1.25 |
| 3/4 | 1/2 | 2.11 | .86 | .86 | 1-1/16 | 1-1/8 | 7/8 | 1.31 |
| 3/4 | 5/8 | 2.11 | .86 | .86 | 1-1/16 | 1-1/8 | 1 | 1.31 |
| 1 | 3/4 | 2.47 | 1.04 | .86 | 1-3/8 | 1-1/2 | 1-1/8 | 1.59 |
Description
- All components from the same material
- High pressure applications
- Seal pressures that will burst the tubing
- Impulse and vibration resistant
- Repeated make and break connections
- Nut threads are silver plated to prevent galling
- No tube rotation or torque transmission on make up
Materials
| Ali Bronze – NES 833 | Alloy C276 / C22 | Alloy 20 | Alloy 400 |
| Alloy 625 | Alloy 825 | F44 (S31254) | F51 (S31803) |
| F53 (S32750) | F55 (S32760) | Titanium | 904L |
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