Thread Type Thread Type | Show |
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Drum Plug Type Drum Plug Type |
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Color Color |
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 | White |
System of Measurement System of Measurement |
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Seal Material Seal Material |
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Connection Style Connection Style |
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Connection Type Connection Type |
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 | Pipe |
Maximum Temperature Maximum Temperature |
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For Use With For Use With |
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Maximum Pressure Maximum Pressure |
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Connects To Connects To |
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DIN Number DIN Number |
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Finish Finish |
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Length Length |
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Minimum Temperature Minimum Temperature |
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Shape Shape |
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 | Straight |
Thread Direction Thread Direction |
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Tighten With Tighten With |
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Type Type |
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 | Nut |
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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Nuts for High-Pressure Nipples for Compressed Gas
Slide a high-pressure hose nipple for compressed gas into one of these nuts to connect a pipe to the inlet of a pressure regulator. They are also known as CGA (Compressed Gas Association) nuts and inlet nuts.
Brass nuts have good corrosion resistance and are softer than 316 stainless steel nuts, so they're easier to thread together. Aluminum-plated brass nuts have better corrosion and wear resistance than unplated brass.
Note: Nuts have a CGA, BS, or DIN number that corresponds to a specific type of gas. Choose a nut with the same number as your tank and other system components.
- Maximum Pressure: See table
- Maximum Temperature: 120° F, except DIN 477 No. 9: 250° F
| Number | Thread Size | Thread Type | Thread Direction | Max. Pressure | For Use With | Each | |
Aluminum-Plated Brass | |||||||
|---|---|---|---|---|---|---|---|
| DIN 477 No. 6 | W 21.8 | Metric | Right Hand | 3,000 psi @ 72° F | Argon, Carbon Dioxide, Cyclobutane, Dichlorotetrafluoroethane, Helium, Krypton, Sulfur Hexafluoride, Trifluoroethane, Xenon | 000000000 | 000000 |
Drum Plugs
For installation and removal of these plugs, use drum-plug wrenches.
Style D have a M64 thread size, which is also known as Buttress threads.
Drum-plug caps (sold separately) fit over drum plugs to provide dust protection as well as evidence of tampering. They have a breakaway seal and are for one-time use.
For technical drawings and 3-D models, click on a part number.