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/dPLMCDFG
Nut
H Body
61/828101917121419
61/4321425.517191423
63/834142517241425
61/236223017271427
81/830102318141721
81/4331425.518191724
83/835142518241726
81/237223018271728
101/833.5102318191923
101/433.51425.518191925
103/833.5142518241927
101/237.5223018271929
121/4361425.524192225
123/838142524242227
121/240223024272229
163/839142524242727
161/241223026272729
181/241223026273029
183/441223026323032

Imperial Dimensions (inch)

T o/dPLMCDFG
Nut
H Body
1/81/8.95.39.75.50.507/16.69
1/81/41.07.59.88.50.697/16.81
3/161/8.98.39.75.54.501/2.72
1/41/81.04.39.75.60.509/16.75
1/41/41.17.59.88.60.699/16.88
5/161/81.17.39.75.64.635/8.88
5/161/41.20.59.88.64.695/8.91
3/81/81.20.39.75.66.6311/16.91
3/81/41.23.59.88.66.6911/16.94
3/83/81.32.59.88.66.8111/161.03
3/81/21.41.781.12.661.0011/161.12
1/21/41.38.59.88.90.817/8.98
1/23/81.43.59.88.90.817/81.03
1/21/21.52.781.12.901.007/81.12
5/83/81.46.59.88.96.9411.06
5/81/21.52.781.12.961.0011.12
3/41/21.51.781.12.961.061-1/81.11
3/43/41.65.811.25.961.251-1/81.25
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 833Alloy C276 / C22Alloy 20Alloy 400
Alloy 625Alloy 825F44 (S31254)F51 (S31803)
F53 (S32750)F55 (S32760)Titanium904L
Order Inquiry
You may contact us by filling in this form any time you need professional support or have any questions.
+1 (818) 998-1528
+1 (818) 998-0243
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+1 (818) 998-1528
+1 (818) 998-0243

sales@thefittingsource.com