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Barbed Connection Type Barbed Connection Type |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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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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About Nuts, Materials, and Finishes
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International Standard ISO Minimal-Spill
Quick-Disconnect Hose Couplings for Hydraulic Fluid
Also known as flush-face couplings, the plugs and sockets have a flat face, which allows them to mate close against each other, reducing fluid loss when connecting and disconnecting the line. A complete coupling consists of a plug and a socket (both sold separately) that connect and disconnect quickly. Use them when you need frequent access to a line. All of the International Standard ISO Minimal-Spill quick-disconnect plugs are compatible with any of the International Standard ISO Minimal-Spill quick-disconnect sockets of the same coupling size, regardless of the pipe size. Couplings are compatible with ISO 16028 Parker FEM, ISO 16028 Perfecting HT, and ISO 16028 Snap-Tite 74 couplings. Also known as double shut-off couplings, the plugs and sockets both have a shut-off valve that stops the flow when the coupling is separated. They are zinc-plated steel, which has excellent strength and durability and fair corrosion resistance.
Plugs are also known as nipples.
Sockets are push-to-connect style. To connect, push the plug into the socket until you hear a click. To disconnect, slide the sleeve on the socket forward until the plug ejects.
Note: To ensure a correct fit, make sure that the plug and socket have the same coupling size. Pressure ratings are given for static (constant) pressure conditions.
Warning: Never attempt to connect or disconnect couplings when operating at maximum pressure. Stop the flow before you disconnect the line.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: See table
- Temperature Range: -20° to 212° F
- Compatible With: ISO 16028 Parker FEM, ISO 16028 Perfecting HT, ISO 16028 Snap-Tite 74
- Specifications Met
- Specifications Met: ISO 16028
- Maximum Pressure: See table
- Temperature Range: -20° to 212° F
- Compatible With: ISO 16028 Parker FEM, ISO 16028 Perfecting HT, ISO 16028 Snap-Tite 74
- Specifications Met
- Specifications Met: ISO 16028
Push-On Barbed Hose Fittings for Hydraulic Fluid
These fittings have sharp barbs to grip rubber push-on hose with no clamps or ferrules required. The more you pull on the fittings, the tighter the hose will grip. Use them in low-pressure hydraulic applications up to 350 psi. Also known as hose nipples, they adapt a barbed end to a threaded end, so you can connect to pumps, cylinders, and other equipment in your hydraulic system. Fittings are zinc-plated steel, which has excellent strength and durability. Fittings have fair corrosion resistance.
Fittings that swivel until tightened rotate 360° for easy installation.
Note: To ensure proper connection, the barbed end has to be pushed in all the way, with the hose end concealed by the ring.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: See table
- Maximum Vacuum: 28 in. of Hg @ 72° F
- Temperature Range: -40° to 155° F
- For Hose Manufacturer Series: Parker 801
Thread | Ring Stop | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Hose ID | Dash Size | Size | Pitch, mm | Material | Color | Max. Pressure | Manufacturer Series | Each | |
Zinc-Plated Steel | |||||||||
| 3/4" | 12 | M30 | 2 | Plastic | Yellow | 300 psi @ 72° F | Parker 82 | 00000000 | 000000 |
Metric Low-Strength Steel Coupling Nuts
Often referred to as extension nuts, use these to connect and extend threaded rods. They're about half the strength of medium-strength steel coupling nuts for use in light duty fastening applications.
Zinc-plated steel coupling nuts resist corrosion in wet environments.
Black-oxide steel coupling nuts have a dark surface color and are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Metric Medium-Strength Steel Coupling Nuts—Class 8
Often referred to as extension nuts, use these to connect and extend threaded rods. They're comparable in strength to Class 8.8 bolts.
Zinc-plated steel coupling nuts resist corrosion in wet environments.
Black-oxide steel coupling nuts have a dark surface color and are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Metric High-Strength Steel Coupling Nuts—Class 10
Often referred to as extension nuts, use these to connect and extend threaded rods. Made from Class 10 steel, they're about 25% stronger than medium-strength steel coupling nuts and comparable in strength to Class 10.9 bolts.
Steel nuts are best for dry environments, since moisture will cause them to rust. They are ready for painting or welding.
Zinc-plated steel nuts are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
Metric 18-8 Stainless Steel Coupling Nuts
Made from 18-8 stainless steel, these metric coupling nuts have good chemical resistance and may be mildly magnetic. Also known as extension nuts, use them to connect and extend threaded rods.
For technical drawings and 3-D models, click on a part number.
Thread | Each | ||||||
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| Size | Pitch, mm | Lg., mm | Wd., mm | Specifications Met | 1-9 | 10-Up | |
18-8 Stainless Steel | |||||||
| M30 | 3.5 | 90 | 46 | DIN 6334 | 000000000 | 000000 | 000000 |