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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Yor-Lok Fittings for Stainless Steel Tubing
A nut with two sleeves (ferrules) gives these fittings extra gripping power. The sleeves bite into tubing as you tighten the nut, creating a strong seal. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. They are compatible with Swagelok®, Let-Lok, and A-Lok fittings.
303 stainless steel fittings have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Manifold Adapters, Female Threaded Pipe × Tube
- For Use With: Air, Hydraulic Fluid, Water
- Tubing: Use with welded or seamless 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
For Tube | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. of Inlets | Pipe Size  | OD | Wall Thick. | Body Material | Fitting Material | Max. Pressure | Temp. Range, °F | Each | |
3 Outlets | |||||||||
NPT Threads | |||||||||
| 2 | 3/8 | 1/4" | 0.28" | 303 Stainless Steel | 316 Stainless Steel | 3,500 psi @ 72° F | -100° to 500° | 00000000 | 0000000 |
| 2 | 1/2 | 3/8" | 0.49" | 303 Stainless Steel | 316 Stainless Steel | 3,500 psi @ 72° F | -100° to 500° | 00000000 | 000000 |
4 Outlets | |||||||||
NPT Threads | |||||||||
| 2 | 3/8 | 1/4" | 0.28" | 303 Stainless Steel | 316 Stainless Steel | 3,500 psi @ 72° F | -100° to 500° | 00000000 | 000000 |
| 2 | 1/2 | 3/8" | 0.49" | 303 Stainless Steel | 316 Stainless Steel | 3,500 psi @ 72° F | -100° to 500° | 0000000 | 000000 |
Tube Supports
Tube supports are recommended for soft plastic tubing to prevent the tube from collapsing.
For Tube | |||||
|---|---|---|---|---|---|
| OD | ID | Tube Support Material | Temp. Range, °F | Each | |
| 1/4" | 1/8" | 316 Stainless Steel | -420° to 1200° | 00000000 | 00000 |
| 1/4" | 0.17" | 316 Stainless Steel | -420° to 1200° | 00000000 | 0000 |
| 1/4" | 0.188" | 316 Stainless Steel | -420° to 1200° | 00000000 | 0000 |
| 3/8" | 0.188" | 316 Stainless Steel | -420° to 1200° | 00000000 | 0000 |
| 3/8" | 1/4" | 316 Stainless Steel | -420° to 1200° | 00000000 | 0000 |