

DK-Lok Union
Connects Fractional Tubing
- Stainless Steel
- Brass
- Carbon Steel
- Super Duplex
- Alloy 20
- Hastelloy C276
- Alloy 400
- Alloy 600
- Alloy 625
- Alloy 825
- Titanium GR. 2
- PTFE
- Cross Reference
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-1-S | Stainless Steel 316/316L | 1/16 in1.6 mm | 1.3 mm | 5/16 in7.9 mm | 5/16 in7.9 mm | 17.5 mm | 25.2 mm |
DU-2-S | Stainless Steel 316/316L | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-S | Stainless Steel 316/316L | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-S | Stainless Steel 316/316L | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-S | Stainless Steel 316/316L | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-S | Stainless Steel 316/316L | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-S | Stainless Steel 316/316L | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-S | Stainless Steel 316/316L | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-S | Stainless Steel 316/316L | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-S | Stainless Steel 316/316L | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-S | Stainless Steel 316/316L | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
DU-20-S | Stainless Steel 316/316L | 1-1/4 in31.8 mm | 27.7 mm | 1-3/4 in44.5 mm | 1-7/8 in47.6 mm | 48.0 mm | 92.2 mm |
DU-24-S | Stainless Steel 316/316L | 1-1/2 in38.1 mm | 34.0 mm | 2-1/8 in54.0 mm | 2-1/4 in57.2 mm | 53.6 mm | 108.0 mm |
DU-32-S | Stainless Steel 316/316L | 2 in50.8 mm | 46.0 mm | 2-3/4 in69.9 mm | 3 in76.2 mm | 74.7 mm | 149.4 mm |
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-1-B | Brass | 1/16 in1.6 mm | 1.3 mm | 5/16 in7.9 mm | 5/16 in7.9 mm | 17.5 mm | 25.2 mm |
DU-2-B | Brass | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-B | Brass | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-B | Brass | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-B | Brass | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-B | Brass | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-B | Brass | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-B | Brass | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-B | Brass | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-B | Brass | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-B | Brass | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-1-C | Carbon Steel | 1/16 in1.6 mm | 1.3 mm | 5/16 in7.9 mm | 5/16 in7.9 mm | 17.5 mm | 25.2 mm |
DU-2-C | Carbon Steel | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-C | Carbon Steel | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-C | Carbon Steel | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-C | Carbon Steel | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-C | Carbon Steel | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-C | Carbon Steel | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-C | Carbon Steel | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-C | Carbon Steel | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-C | Carbon Steel | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-C | Carbon Steel | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
DU-20-C | Carbon Steel | 1-1/4 in31.8 mm | 27.7 mm | 1-3/4 in44.5 mm | 1-7/8 in47.6 mm | 48.0 mm | 92.2 mm |
DU-24-C | Carbon Steel | 1-1/2 in38.1 mm | 34.0 mm | 2-1/8 in54.0 mm | 2-1/4 in57.2 mm | 53.6 mm | 108.0 mm |
DU-32-C | Carbon Steel | 2 in50.8 mm | 46.0 mm | 2-3/4 in69.9 mm | 3 in76.2 mm | 74.7 mm | 149.4 mm |
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-2-SD | Super Duplex | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-SD | Super Duplex | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-SD | Super Duplex | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-SD | Super Duplex | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-SD | Super Duplex | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-SD | Super Duplex | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-SD | Super Duplex | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-SD | Super Duplex | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-SD | Super Duplex | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-SD | Super Duplex | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-1-L20 | Alloy 20 | 1/16 in1.6 mm | 1.3 mm | 5/16 in7.9 mm | 5/16 in7.9 mm | 17.5 mm | 25.2 mm |
DU-2-L20 | Alloy 20 | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-L20 | Alloy 20 | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-L20 | Alloy 20 | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-L20 | Alloy 20 | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-L20 | Alloy 20 | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-L20 | Alloy 20 | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-L20 | Alloy 20 | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-L20 | Alloy 20 | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-L20 | Alloy 20 | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-L20 | Alloy 20 | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-1-HC | Hastelloy C276 | 1/16 in1.6 mm | 1.3 mm | 5/16 in7.9 mm | 5/16 in7.9 mm | 17.5 mm | 25.2 mm |
DU-2-HC | Hastelloy C276 | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-HC | Hastelloy C276 | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-HC | Hastelloy C276 | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-HC | Hastelloy C276 | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-HC | Hastelloy C276 | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-HC | Hastelloy C276 | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-HC | Hastelloy C276 | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-HC | Hastelloy C276 | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-HC | Hastelloy C276 | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-HC | Hastelloy C276 | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
DU-1-M | Alloy 400 | 1/16 in1.6 mm | 1.3 mm | 5/16 in7.9 mm | 5/16 in7.9 mm | 17.5 mm | 25.2 mm |
DU-2-M | Alloy 400 | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-M | Alloy 400 | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-M | Alloy 400 | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-M | Alloy 400 | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-M | Alloy 400 | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-M | Alloy 400 | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-M | Alloy 400 | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-M | Alloy 400 | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-M | Alloy 400 | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-M | Alloy 400 | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-1-IN | Alloy 600 | 1/16 in1.6 mm | 1.3 mm | 5/16 in7.9 mm | 5/16 in7.9 mm | 17.5 mm | 25.2 mm |
DU-2-IN | Alloy 600 | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-IN | Alloy 600 | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-IN | Alloy 600 | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-IN | Alloy 600 | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-IN | Alloy 600 | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-IN | Alloy 600 | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-IN | Alloy 600 | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-IN | Alloy 600 | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-IN | Alloy 600 | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-IN | Alloy 600 | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-1-L625 | Alloy 625 | 1/16 in1.6 mm | 1.3 mm | 5/16 in7.9 mm | 5/16 in7.9 mm | 17.5 mm | 25.2 mm |
DU-2-L625 | Alloy 625 | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-L625 | Alloy 625 | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-L625 | Alloy 625 | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-L625 | Alloy 625 | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-L625 | Alloy 625 | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-L625 | Alloy 625 | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-L625 | Alloy 625 | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-L625 | Alloy 625 | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-L625 | Alloy 625 | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-L625 | Alloy 625 | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-2-L825 | Alloy 825 | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-L825 | Alloy 825 | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-L825 | Alloy 825 | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-L825 | Alloy 825 | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-L825 | Alloy 825 | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-L825 | Alloy 825 | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-L825 | Alloy 825 | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-L825 | Alloy 825 | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-L825 | Alloy 825 | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-L825 | Alloy 825 | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-1-TI | Titanium Gr. 2 | 1/16 in1.6 mm | 1.3 mm | 5/16 in7.9 mm | 5/16 in7.9 mm | 17.5 mm | 25.2 mm |
DU-2-TI | Titanium Gr. 2 | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-TI | Titanium Gr. 2 | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-TI | Titanium Gr. 2 | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-TI | Titanium Gr. 2 | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-TI | Titanium Gr. 2 | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-TI | Titanium Gr. 2 | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-TI | Titanium Gr. 2 | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-TI | Titanium Gr. 2 | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-TI | Titanium Gr. 2 | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-TI | Titanium Gr. 2 | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
Item # | Material | D – Tube O.D. | E – Min. | h – Width Across Flat | H – Width Across Flat | l | L |
DU-2-PE | PTFE | 1/8 in3.2 mm | 2.3 mm | 7/16 in11.1 mm | 7/16 in11.1 mm | 22.4 mm | 35.6 mm |
DU-3-PE | PTFE | 3/16 in4.8 mm | 3.0 mm | 7/16 in11.1 mm | 1/2 in12.7 mm | 24.1 mm | 37.3 mm |
DU-4-PE | PTFE | 1/4 in6.4 mm | 4.8 mm | 1/2 in12.7 mm | 9/16 in14.3 mm | 26.2 mm | 40.9 mm |
DU-5-PE | PTFE | 5/16 in7.9 mm | 6.4 mm | 9/16 in14.3 mm | 5/8 in15.9 mm | 28.2 mm | 42.9 mm |
DU-6-PE | PTFE | 3/8 in9.5 mm | 7.1 mm | 5/8 in15.9 mm | 11/16 in17.5 mm | 30.2 mm | 45.0 mm |
DU-8-PE | PTFE | 1/2 in12.7 mm | 10.4 mm | 13/16 in20.6 mm | 7/8 in22.2 mm | 31.0 mm | 51.3 mm |
DU-10-PE | PTFE | 5/8 in15.9 mm | 12.7 mm | 15/16 in23.8 mm | 1 in25.4 mm | 31.8 mm | 52.1 mm |
DU-12-PE | PTFE | 3/4 in19.1 mm | 15.7 mm | 1-1/16 in27.0 mm | 1-1/8 in28.6 mm | 33.3 mm | 53.6 mm |
DU-14-PE | PTFE | 7/8 in22.2 mm | 18.3 mm | 1-3/16 in30.2 mm | 1-1/4 in31.8 mm | 35.1 mm | 55.4 mm |
DU-16-PE | PTFE | 1 in25.4 mm | 22.4 mm | 1-3/8 in34.9 mm | 1-1/2 in38.1 mm | 40.4 mm | 64.8 mm |
DK Part # | Swagelok Part # | Parker Part # | HOKE Part # | Hy-Lok Part # |
DU-1 | 100-6 | 1SC1 | 1U | CUA-1 |
DU-10 | 1010-6 | 10SC10 | 10U | CUA-10 |
DU-10M | 10M0-6 | SCM10 | 10U[]MM | CUA-10M |
DU-12 | 1210-6 | 12SC12 | 12U | CUA-12 |
DU-12M | 12M0-6 | SCM12 | 12U[]MM | CUA-12M |
DU-14 | 1410-6 | 14SC14 | 14U | CUA-14 |
DU-14M | 14M0-6 | SCM14 | 14U[]MM | CUA-14M |
DU-15M | 15M0-6 | SCM15 | 15U[]MM | CUA-15M |
DU-16 | 1610-6 | 16SC16 | 16U | CUA-16 |
DU-16M | 16M0-6 | SCM16 | 16U[]MM | CUA-16M |
DU-18M | 18M0-6 | SCM18 | 18U[]MM | CUA-18M |
DU-2 | 200-6 | 2SC2 | 2U | CUA-2 |
DU-20 | 2000-6 | 20SC20 | 20U | CUA-20 |
DU-20M | 20M0-6 | SCM20 | 20U[]MM | CUA-20M |
DU-22M | 22M0-6 | SCM22 | 22U[]MM | CUA-22M |
DU-24 | 2400-6 | 24SC24 | 24U | CUA-24 |
DU-25M | 25M0-6 | SCM25 | 25U[]MM | CUA-25M |
DU-28M | 28M0-6 | SCM28 | 28U[]MM | CUA-28M |
DU-2M | 2M0-6 | SCM2 | 2U[]MM | CUA-2M |
DU-3 | 300-6 | 3SC3 | 3U | CUA-3 |
DU-30M | 30M0-6 | SCM30 | 30U[]MM | CUA-30M |
DU-32 | 3200-6 | 32SC32 | 32U | CUA-32 |
DU-32M | 32M0-6 | SCM32 | 32U[]MM | CUA-32M |
DU-38M | 38M0-6 | SCM38 | 38U[]MM | CUA-38M |
DU-3M | 3M0-6 | SCM3 | 3U[]MM | CUA-3M |
DU-4 | 400-6 | 4SC4 | 4U | CUA-4 |
DU-4M | 4M0-6 | SCM4 | 4U[]MM | CUA-4M |
DU-5 | 500-6 | 5SC5 | 5U | CUA-5 |
DU-6 | 600-6 | 6SC6 | 6U | CUA-6 |
DU-6M | 6M0-6 | SCM6 | 6U[]MM | CUA-6M |
DU-8 | 810-6 | 8SC8 | 8U | CUA-8 |
DU-8M | 8M0-6 | SCM8 | 8M | CUA-8M |