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About Measuring Fittings
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Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Barbed Hose Fittings for Compressed Gas
Commonly used in low-pressure welding applications, these fittings connect downstream of your tank and pressure regulator. Slide the barbed end into rubber hose and secure with a crimp-on hose ferrule. Fittings are brass for good corrosion resistance.
Adapters let you adapt to a threaded end so you can connect welding hose to torches or pressure regulators. They consist of a barbed shaft with a rounded end that sits inside a threaded CGA nut (sold separately) so you can make a threaded hose connection.
Straight Adapters, Barbed Hose × Threaded Hose
- Maximum Pressure: 200 psi @ 72° F
- Maximum Temperature: 120° F
- Attachment Type: Use Crimp-On Hose Ferrules
Adapters | Nuts with Right-Hand Threads | Nuts with Left-Hand Threads | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Hose ID | For CGA Number  | Gas Fitting Size | For Use With | Each | CGA Number | Each | CGA Number | Each | |||
Brass | |||||||||||
| 1/8" | 032, 033 | B | Air, Argon, Helium, Krypton, Neon, Nitrogen, Water, Xenon | 7919A18 | 00000 | 032 | 7919A17 | 00000 | 033 | 7919A16 | 00000 |
| 3/16" | 032, 033 | B | Air, Argon, Helium, Krypton, Neon, Nitrogen, Water, Xenon | 7919A21 | 0000 | 032 | 7919A17 | 0000 | 033 | 7919A16 | 0000 |
| 1/4" | 032, 033 | B | Air, Argon, Helium, Krypton, Neon, Nitrogen, Water, Xenon | 7919A19 | 0000 | 032 | 7919A17 | 0000 | 033 | 7919A16 | 0000 |
| 3/8" | 032, 033 | B | Air, Argon, Helium, Krypton, Neon, Nitrogen, Water, Xenon | 7919A22 | 0000 | 032 | 7919A17 | 0000 | 033 | 7919A16 | 0000 |