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 | Straight |
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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.
316 stainless steel fittings have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Natural Gas, Steam, Water
- Tubing: Use with welded or seamless 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
Fittings with flange end connect to another same-size flange with a gasket (sold separately) to create an access point in your line. They are also known as Class 150 flanges.
For Tube | Bolt Hole | ||||||||||||
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| OD | Wall Thick. | Pipe Size | Flange OD | Material | Max. Pressure | Temp. Range, °F | Bolt Circle Dia. | Dia. | No. of | Bolts Included | Specifications Met | Each | |
| 3/8" | 0.035" | 1/2 | 3 1/2" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 2 3/8" | 5/8" | 4 | No | ANSI B16.5 | 00000000 | 0000000 |
| 3/8" | 0.035" | 3/4 | 3 7/8" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 2 3/4" | 5/8" | 4 | No | ANSI B16.5 | 00000000 | 000000 |
| 1/2" | 0.035" | 1/2 | 3 1/2" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 2 3/8" | 5/8" | 4 | No | ANSI B16.5 | 00000000 | 000000 |
| 1/2" | 0.035" | 3/4 | 3 7/8" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 2 3/4" | 5/8" | 4 | No | ANSI B16.5 | 00000000 | 000000 |
| 1/2" | 0.035" | 1 | 4 1/4" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 3 1/8" | 5/8" | 4 | No | ANSI B16.5 | 00000000 | 000000 |
| 1/2" | 0.035" | 1 1/2 | 5" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 3 7/8" | 5/8" | 4 | No | ANSI B16.5 | 00000000 | 000000 |
| 3/4" | 0.049" | 3/4 | 3 7/8" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 2 3/4" | 5/8" | 4 | No | ANSI B16.5 | 00000000 | 000000 |
| 3/4" | 0.049" | 1 | 4 1/4" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 3 1/8" | 5/8" | 4 | No | ANSI B16.5 | 00000000 | 000000 |
| 3/4" | 0.049" | 1 1/2 | 5" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 3 7/8" | 5/8" | 4 | No | ANSI B16.5 | 00000000 | 000000 |
| 1" | 0.065" | 1 | 4 1/4" | 316 Stainless Steel | 250 psi @ 72° F | -420° to 1200° | 3 1/8" | 5/8" | 4 | No | ANSI B16.5 | 00000000 | 000000 |
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | Wall Thick. | Nut Material | Max. Pressure | Temp. Range, °F | Each | |
| 3/8" | 0.035" | 316 Stainless Steel | 2,500 psi @ 72° F | -420° to 1200° | 00000000 | 00000 |
| 1/2" | 0.035" | 316 Stainless Steel | 2,000 psi @ 72° F | -420° to 1200° | 00000000 | 0000 |
| 3/4" | 0.049" | 316 Stainless Steel | 2,000 psi @ 72° F | -420° to 1200° | 00000000 | 00000 |
| 1" | 0.065" | 316 Stainless Steel | 1,500 psi @ 72° F | -420° to 1200° | 00000000 | 00000 |
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | Wall Thick. | Sleeve Material | Max. Pressure | Temp. Range, °F | Each | |
| 3/8" | 0.035" | 316 Stainless Steel | 2,500 psi @ 72° F | -420° to 1200° | 00000000 | 00000 |
| 1/2" | 0.035" | 316 Stainless Steel | 2,000 psi @ 72° F | -420° to 1200° | 00000000 | 0000 |
| 3/4" | 0.049" | 316 Stainless Steel | 2,000 psi @ 72° F | -420° to 1200° | 00000000 | 0000 |
| 1" | 0.065" | 316 Stainless Steel | 1,500 psi @ 72° F | -420° to 1200° | 00000000 | 00000 |
Tube supports are recommended for soft plastic tubing to prevent the tube from collapsing.