Bulkhead Connectors
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).
Female Bulkhead Connectors
Metric Dimensions (mm)
| T o/d | P | M | D | F | G Nut | F1 | H | J | L | Max Panel | L1 | Panel Hole |
| 6 | 1/8 | 10 | 17 | 14 | 14 | 17 | 39 | 35 | 26 | 12 | 48 | 11.6 |
| 6 | 1/4 | 15 | 17 | 14 | 14 | 17 | 44 | 35 | 26 | 12 | 53 | 11.6 |
| 10 | 1/4 | 15 | 18 | 17 | 19 | 19 | 47 | 38 | 29.5 | 10 | 55.5 | 16.4 |
| 12 | 3/8 | 16 | 24 | 22 | 22 | 24 | 50 | 43 | 32 | 14 | 61 | 19.5 |
| 12 | 1/2 | 20 | 24 | 27 | 22 | 24 | 58 | 43 | 32 | 14 | 69 | 19.5 |
Imperial Dimensions (inch)
| T o/d | P | M | D | F | G Nut | F1 | H | J | L | L1 | Panel Hole | Max Panel |
| 1/4 | 1/8 | .39 | 60 | 5/8 | 9/16 | 5/8 | 1.56 | 1.32 | 1.03 | 1.85 | 29/64 | .40 |
| 1/4 | 1/4 | .59 | .60 | 3/4 | 9/16 | 5/8 | 1.75 | 1.32 | 1.03 | 2.04 | 29/64 | .40 |
| 3/8 | 1/4 | .59 | .66 | 3/4 | 11/16 | 3/4 | 1.88 | 1.45 | 1.16 | 2.17 | 37/64 | .40 |
| 1/2 | 3/8 | .59 | .90 | 15/16 | 7/8 | 15/16 | 2.03 | 1.65 | 1.25 | 2.43 | 49/64 | .50 |
| 1/2 | 1/2 | .78 | .90 | 1-1/16 | 7/8 | 15/16 | 2.22 | 1.65 | 1.25 | 2.62 | 49/64 | .50 |
Male Bulkhead Connectors
Metric Dimensions (mm)
| T o/d | P | M | D | F | G Nut | F1 | H | J | L | L1 | Panel Hole | Max Panel |
| 6 | 1/8 | 10 | 17 | 14 | 14 | 17 | 42 | 35 | 26 | 51 | 11.6 | 12 |
| 6 | 1/4 | 15 | 17 | 14 | 14 | 17 | 47 | 35 | 265 | 56 | 11.6 | 12 |
| 10 | 1/4 | 15 | 18 | 17 | 19 | 19 | 52 | 38 | 29.5 | 60.5 | 16.4 | 10 |
| 12 | 1/2 | 20 | 24 | 22 | 22 | 24 | 60 | 43 | 32 | 71 | 19.5 | 14 |
Imperial Dimensions (inch)
| T o/d | P | M | D | F | G Nut | F1 | H | J | L | L1 | Panel Hole | Max Panel |
| 1/4 | 1/8 | .38 | .60 | 5/8 | 9/16 | 5/8 | 1.66 | 1.32 | 1.03 | 1.95 | 29/64 | .40 |
| 1/4 | 1/4 | .56 | .60 | 5/8 | 9/16 | 5/8 | 1.81 | 1.32 | 1.03 | 2.10 | 29.64 | .40 |
| 3/8 | 1/4 | .56 | .66 | 3/4 | 11/16 | 3/4 | 1.97 | 1.45 | 1.16 | 2.26 | 37/64 | .40 |
| 1/2 | 1/2 | .75 | .90 | 15/16 | 7/8 | 15/16 | 2.28 | 1.65 | 1.25 | 2.68 | 49/64 | .50 |
Features
- 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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