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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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Nickel-Plated Brass Compression Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Ethyl Alcohol, Fuel Oil, Gasoline, Hydraulic Fluid, Isopropyl Alcohol, Lubricants, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -75° to 550° F, except 90° elbow adapters with BSPP threads are 0° to 170° F
- Tubing: Use with copper
- Specifications Met: DIN 3861, except nuts meet DIN 3870
With a nickel-plated finish, these compression fittings resist corrosion better than plain brass fittings. They have a single sleeve (ferrule) made of plain brass that gently bites into copper tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included. These fittings are also known as flareless fittings. All meet DIN standards for tube fitting dimensions.
For technical drawings and 3-D models, click on a part number.
For Tube | |||||
|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Material | Maximum Pressure | Each | |
| 10 | 1 | Nickel-Plated Brass | 1,600 psi @ 72° F | 0000000 | 00000 |
For Tube | |||||||
|---|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Pipe Size | Material | Maximum Pressure | Pkg. Qty. | Pkg. | |
BSPP Threads | |||||||
| 10 | 1 | 1/4 | Nickel-Plated Brass | 1,600 psi @ 72° F | 1 | 00000000 | 00000 |
| 10 | 1 | 3/8 | Nickel-Plated Brass | 1,600 psi @ 72° F | 1 | 00000000 | 0000 |
| Each | |||||||
BSPT Threads | |||||||
| 10 | 1 | 1/4 | Nickel-Plated Brass | 1,600 psi @ 72° F | __ | 0000000 | 0000 |
| 10 | 1 | 3/8 | Nickel-Plated Brass | 1,600 psi @ 72° F | __ | 0000000 | 0000 |
For Tube | |||||
|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Material | Maximum Pressure | Each | |
| 10 | 1 | Nickel-Plated Brass | 1,600 psi @ 72° F | 0000000 | 00000 |
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Nut Material | Maximum Pressure | Length, mm | Each | |
Short Nuts | ||||||
| 10 | 1 | Nickel-Plated Brass | 1,600 psi @ 72° F | 16 | 00000000 | 00000 |
For Tube | |||||
|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Sleeve Material | Maximum Pressure | Each | |
| 10 | 1 | Brass | 1,600 psi @ 72° F | 00000000 | 00000 |
Sleeves for Nickel-Plated Brass
Compression Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Ethyl Alcohol, Fuel Oil, Gasoline, Hydraulic Fluid, Isopropyl Alcohol, Lubricants, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -75° to 550° F
- Tubing: Use with copper
- Specifications Met: DIN 3861
Use these sleeves with compression nuts and fittings to create a strong seal on copper tubing. Made of brass, they gently bite into tubing as you tighten the nut, and have good corrosion resistance. All meet DIN 3861, which is an international standard for tube fitting dimensions.
For technical drawings and 3-D models, click on a part number.
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Sleeve Material | Maximum Pressure | Pkg. Qty. | Pkg. | |
| 10 | 1 | Brass | 1,600 psi @ 72° F | 10 | 00000000 | 00000 |
Nuts for Nickel-Plated Brass
Compression Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Ethyl Alcohol, Fuel Oil, Gasoline, Hydraulic Fluid, Isopropyl Alcohol, Lubricants, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -75° to 550° F
- Tubing: Use with copper
- Specifications Met: DIN 3870
Create a strong seal on copper tubing when you couple these nuts with compression sleeves and fittings. Made of nickel-plated brass, they resist corrosion better than plain brass. All meet DIN 3870, which is an international standard for tube fitting dimensions.
For technical drawings and 3-D models, click on a part number.
For Tube | |||||||
|---|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Nut Material | Maximum Pressure | Length, mm | Pkg. Qty. | Pkg. | |
Short Nuts | |||||||
| 10 | 1 | Nickel-Plated Brass | 1,600 psi @ 72° F | 16 | 5 | 00000000 | 00000 |
37° Flared Fittings for Copper Tubing
- For Use With: Air, Fuel Oil, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: ISO 8434, MIL-F-18866, SAE J514
Also known as JIC (Joint Industrial Council) fittings, these provide a tight metal-to-metal seal on tubing that is flared to 37°. They can handle higher pressures than 45° flared fittings. Fittings are brass for good corrosion resistance. They require a nut and a sleeve (ferrule) for each tube end. Nuts and sleeves are sold separately.
For technical drawings and 3-D models, click on a part number.
Yor-Lok Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: ANSI/ASME B31.3
A nut with two sleeves (ferrules) gives these fittings extra gripping power. The sleeves bite into tubing as you tighten the nut, creating a strong seal. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. Fittings are brass for good corrosion resistance. They are compatible with Swagelok®, Let-Lok, and A-Lok fittings.
For Tube | |||||
|---|---|---|---|---|---|
| OD | Wall Thick. | Material | Max. Pressure | Each | |
| 1/4" | 0.035" | Brass | 1,600 psi @ 72° F | 00000000 | 00000 |
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
For Tube | |||||
|---|---|---|---|---|---|
| OD | Wall Thick. | Material | Max. Pressure | Each | |
| 1/4" | 0.035" | Brass | 1,600 psi @ 72° F | 00000000 | 000000 |
Inline tees are also known as branch tees.
Inline tees are also known as branch tees.
