Material Material |
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System of Measurement System of Measurement |
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For Use With For Use With | Show |
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For Use With For Use With | Hide |
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Quick-Disconnect Shape Quick-Disconnect Shape |
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 | Natural and LP Gas |
Connection Style Connection Style |
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| Threaded |
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| Quick Disconnect |
Quick-Disconnect Component Quick-DisconnectComponent |
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 | Plug |
Flow Control Flow Control |
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 | Open |
Maximum Temperature Maximum Temperature |
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Maximum Pressure Maximum Pressure |
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Specifications Met Specifications Met |
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Chain Length Chain Length |
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Thread Direction Thread Direction |
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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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Threaded Hose Fittings for Compressed Gas
Use these fittings to connect welding hose to pressure regulators and torches. They are also known as CGA (Compressed Gas Association) fittings. Fittings are brass for good corrosion resistance.
Fittings with left-hand threads are identified with a notch in the nut.
Note: Fittings have a CGA number that corresponds to a specific type of gas. Choose a fitting with the same CGA number as your tank and other system components.
- Maximum Pressure: 200 psi @ 72° F
- Maximum Temperature: 120° F
| CGA Number | Trade Size | Thread Size | Thread Type | Thread Direction | Chain Lg. | For Use With | Each | |
Brass | ||||||||
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| 023 | B | 9/16"-18 | UN/UNF (CGA) | Left Hand | 6" | Acetylene, Butane, Fuel Gases, LP Gas, Natural Gas, Propane | 0000000 | 00000 |
Natural and LP Gas Hose Fittings
 |  3/8 Coupling Size |  1/2 Coupling Size |
 3/4 Coupling Size |  1 Coupling Size |
Use these couplings when you need frequent access to a gas line. A complete coupling consists of a plug and a socket (both sold separately) that connect and disconnect quickly. All of the natural and LP gas plugs are compatible with any of the natural and LP gas sockets of the same coupling size, regardless of the pipe size. Plugs and sockets are brass for good corrosion resistance.
Plugs are also known as nipples. They have a heat-sensitive fuse that will stop gas flow in the event of a fire.
NPTF (Dryseal) threads are compatible with NPT threads.
Note: To ensure a correct fit, make sure that the plug and socket have the same coupling size.
Warning: Stop the flow before you disconnect the line.
- Maximum Pressure: 0.5 psi @ 72° F
- Temperature Range: -40° to 200° F
- Specifications Met: ANSI/ASME Z21.41, CSA 6.9-M98