Alco-Lok Accessories

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).

Plugs

Metric Dimensions (mm)

T o/dG Nut
614
817
1019
1222
1627
1830
2541

Imperial Dimensions (inch)

T o/dG Nut
1/87/16
3/161/2
1/49/16
5/165/8
3/811/16
1/27/8
5/81
3/41-1/8
11-1/2

 

Caps

Metric Dimensions (mm)

T o/dL1 LengthCDFG NutH Body
6251917141416
8262018141717
1026.520.518171918
12332324222222
16352426242723
18372426273025
2545.53136364129

 

Imperial Dimensions (inch)

T o/dL1 LengthCD BodyFG NutH Body
1/8.81.63.531/27/16.53
1/4.91.70.601/29/16.62
5/6.96.73.649/165/8.67
3/81.01.76.665/811/16.72
1/21.15.86.9013/167/8.75
5/81.18.86.9615/161.78
3/41.24.86.961-1/161-1/8.84
11.511.041.231-3/81-1/21.03

 

Nuts

Metric Dimensions (mm)

T o/dG NutL
61413
81713.5
101915
122217.5
162717.5
183018
254121

Imperial Dimensions (inch)

T o/dG NutL
1/87/16.47
3/161/2.47
1/49/16.51
5/165/8.53
3/811/16.57
1/27/8.69
5/81.69
3/41-1/8.69
11-1/2.82

 

Lock Nuts

Metric Dimensions (mm)

G NutL
176
176
198
248
279
309
4110

Imperial Dimensions (inch)

G NutL
.51.23
.55.23
.67.23
.67.23
.75.31
.94.31
1.06.35
1.18.35
1.61.39

Ferrules

pic1

Metric Dimensions (mm)

T o/dFront Ferrule Part No.
66mFC
88mFC
1010mFC
1212mFC
1616mFC
1818mFC
2525mFC

Imperial Dimensions (inch)

T o/dFront Ferrule
1/82FC
3/163FC
1/44FC
5/165FC
3/86FC
1/28FC
5/810FC
3/412FC
116FC
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
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