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Connection Style Connection Style |
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Thread Direction Thread Direction |
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Quick-Disconnect Component Quick-Disconnect Component |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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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Hose Crimping Tool and Fitting Sets for Compressed Gas
Sets contain a crimping tool and a variety of fittings, nuts, and ferrules so you can connect pressure regulators, torches, and other components of your welding system. Fittings are also known as CGA (Compressed Gas Association) fittings. They are brass for good corrosion resistance.
Barbed adapters let you adapt to a threaded end so you can connect welding hose to pressure regulators or torches. They consist of a barbed shaft with a rounded end that sits inside a threaded nut so you can make a threaded hose connection.
Barbed connectors are also known as hose menders and splicers. Use them to connect lengths of hose or to repair damaged hose. Slide the barbed end into welding hose and use a hose ferrule and the crimping tool to secure the fitting to hose.
Threaded connectors let you attach threaded welding hose to pressure regulators and torches.
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.
| For Hose ID | No. of Pieces | Includes | Max. Pressure | For Use With | Each | |
Brass | ||||||
|---|---|---|---|---|---|---|
| 3/16", 1/4" | 93 | Crimping Tool Eight barbed hose adapters for 3/16" hose ID (use with A-size nuts) Six barbed hose adapters for 3/16" hose ID (use with B-size nuts) Ten barbed hose adapters for 1/4" hose ID (use with B-size nuts) Two barbed hose connectors for 3/16" hose ID Four barbed hose connectors for 1/4" hose ID One A-size 3/8"-24 male right-hand threaded connector (CGA-020) One A-size 3/8"-24 male left-hand threaded connector (CGA-021) One B-size 9/16"-18 male right-hand threaded connector (CGA-022) One B-size 9/16"-18 male left-hand threaded connector (CGA-023) Four A-size 3/8"-24 right-hand threaded nuts (CGA-020) Four A-size 3/8"-24 left-hand threaded nuts (CGA-021) Eight B-size 9/16"-18 female right-hand threaded nuts (CGA-022) Eight B-size 9/16"-18 female left-hand threaded nuts (CGA-023) Twelve ferrules with 0.45" hose end ID Ten ferrules with 0.562" hose end ID Twelve ferrules with 0.593" hose end ID | 200 psi @ 72° F | Acetylene, Butane, Fuel Gases, LP Gas, Natural Gas, Oxygen, Propane | 0000000 | 0000000 |
| 5/16", 3/8" | 71 | Crimping Tool Eight barbed hose adapters for 5/16" hose ID (use with B-size nuts) Eight barbed hose adapters for 3/8" hose ID (use with B-size nuts) Two barbed hose connectors for 5/16" hose ID Two barbed hose connectors for 3/8" hose ID One B-size 9/16"-18 male right-hand threaded connector (CGA-022) One B-size 9/16"-18 male left-hand threaded connector (CGA-023) Eight B-size 9/16"-18 female right-hand threaded nuts (CGA-022) Eight B-size 9/16"-18 female left-hand threaded nuts (CGA-023) Eight ferrules with 0.625" hose end ID Eight ferrules with 0.656" hose end ID Six ferrules with 0.687" hose end ID Eight ferrules with 0.718" hose end ID | 200 psi @ 72° F | Acetylene, Butane, Fuel Gases, LP Gas, Natural Gas, Oxygen, Propane | 0000000 | 000000 |
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.
For technical drawings and 3-D models, click on a part number.
Quick-Disconnect Hose Couplings for Compressed Gas
Use these couplings to quickly link and unlink welding hoses, torches, and pressure regulators. They consist of a plug and socket that are sold together as a set of two—you’ll get one right-hand connection for oxygen and one left-hand connection for fuel gas. The connections are noninterchangeable and color coded so you can’t mix lines. The male threaded ends attach to threaded welding hose, and the female threaded ends attach to a torch or pressure regulator. To connect couplings, push the plug into the socket; the sleeve on the socket has a spring-loaded lock for gas-tight connections. To disconnect, pull back on the socket sleeve and twist to release the plug. The sockets have a shut-off valve that stops the flow when the coupling is separated so gas won’t leak from the line. The sockets also have a built-in check valve to prevent gas backflow. Couplings are also known as CGA (Compressed Gas Association) couplings. They are brass for good corrosion resistance.
Couplings with left-hand threads are identified with a notch in the nut.
Note: Couplings have a CGA number that corresponds to a specific type of gas. Make sure the CGA number of the coupling matches the CGA number of your tank and other system components.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: 200 psi @ 72° F
- Maximum Temperature: 120° F
- Specifications Met: OSHA 29 CFR 1915.55, OSHA 29 CFR 1917.152, OSHA 29 CFR 1926.350, UL Listed
| Includes | Gas Fitting Size | Thread Size | Thread Type | Thread Direction | For Use With | Each | |
| One CGA 022 Coupling Adapter (Male Hose Plug × Female Torch Socket) One CGA 023 Coupling Adapter (Male Hose Plug × Female Torch Socket) | B | 9/16"-18 | UN/UNF (CGA) | Right Hand (CGA 022), Left Hand (CGA 023) | Acetylene, Butane, Fuel Gases, LP Gas, Natural Gas, Oxygen, Propane | 000000 | 000000 |
- Maximum Pressure: 200 psi @ 72° F
- Maximum Temperature: 120° F
- Specifications Met: OSHA 29 CFR 1915.55, OSHA 29 CFR 1917.152, OSHA 29 CFR 1926.350, UL Listed
| Includes | Gas Fitting Size | Thread Size | Thread Type | Thread Direction | For Use With | Each | |
| One CGA 022 Coupling Adapter (Male Hose Plug × Female Regulator Socket) One CGA 023 Coupling Adapter (Male Hose Plug × Female Regulator Socket) | B | 9/16"-18 | UN/UNF (CGA) | Right Hand (CGA 022), Left Hand (CGA 023) | Acetylene, Butane, Fuel Gases, LP Gas, Natural Gas, Oxygen, Propane | 000000 | 0000000 |
- Maximum Pressure: 200 psi @ 72° F
- Maximum Temperature: 120° F
- Specifications Met: OSHA 29 CFR 1915.55, OSHA 29 CFR 1917.152, OSHA 29 CFR 1926.350, UL Listed
| Includes | Gas Fitting Size | Thread Size | Thread Type | Thread Direction | For Use With | Each | |
| One CGA 022 Coupling Adapter (Male Hose Plug × Male Hose Socket) One CGA 023 Coupling Adapter (Male Hose Plug × Male Hose Socket) | B | 9/16"-18 | UN/UNF (CGA) | Right Hand (CGA 022), Left Hand (CGA 023) | Acetylene, Butane, Fuel Gases, LP Gas, Natural Gas, Oxygen, Propane | 000000 | 0000000 |