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Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Vibration-Resistant Compression Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Lubricants, Mineral Oil, Water
- Temperature Range: -30° to 270° F, except fluoroelastomer sleeves are -15° to 450° F
- Tubing: Use with copper
The sleeve (ferrule) in these fittings is rubber instead of metal, so it cushions the tubing and absorbs vibration while creating a tight seal. The sleeve aligns the tubing during installation. Fittings come with a nut and a sleeve. They are also known as flareless fittings. They are brass for good corrosion resistance.
NPTF (Dryseal) threads are compatible with NPT threads.
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | |||||
|---|---|---|---|---|---|
| 3/16" | 1/8 | Brass | 300 psi @ 72° F | 50385K41 | 000000 |
| 1/4" | 1/8 | Brass | 300 psi @ 72° F | 50385K42 | 00000 |
| 1/4" | 1/4 | Brass | 300 psi @ 72° F | 50385K43 | 00000 |
| 5/16" | 1/4 | Brass | 220 psi @ 72° F | 50385K44 | 00000 |
| 3/8" | 1/8 | Brass | 170 psi @ 72° F | 50385K33 | 00000 |
| 3/8" | 1/4 | Brass | 170 psi @ 72° F | 50385K45 | 00000 |
| 3/8" | 3/8 | Brass | 170 psi @ 72° F | 50385K46 | 00000 |
| 1/2" | 3/8 | Brass | 100 psi @ 72° F | 50385K47 | 00000 |
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | |||||
|---|---|---|---|---|---|
| 3/16" | 1/8 | Brass | 300 psi @ 72° F | 50385K11 | 000000 |
| 1/4" | 1/8 | Brass | 300 psi @ 72° F | 50385K12 | 00000 |
| 1/4" | 1/4 | Brass | 300 psi @ 72° F | 50385K13 | 00000 |
| 5/16" | 1/4 | Brass | 220 psi @ 72° F | 50385K14 | 00000 |
| 3/8" | 1/8 | Brass | 170 psi @ 72° F | 50385K15 | 00000 |
| 3/8" | 1/4 | Brass | 170 psi @ 72° F | 50385K16 | 00000 |
| 3/8" | 3/8 | Brass | 170 psi @ 72° F | 50385K17 | 00000 |
| 1/2" | 3/8 | Brass | 100 psi @ 72° F | 50385K18 | 00000 |
| 1/2" | 1/2 | Brass | 100 psi @ 72° F | 50385K19 | 00000 |
| For Tube OD | Sleeve Color | Max. Pressure | Each | |
Buna-N Rubber | ||||
|---|---|---|---|---|
| 3/16" | Black with Green Stripe | 300 psi @ 72° F | 50385K71 | 00000 |
| 1/4" | Black with Green Stripe | 300 psi @ 72° F | 50385K72 | 0000 |
| 5/16" | Black with Green Stripe | 220 psi @ 72° F | 50385K73 | 0000 |
| 3/8" | Black with Green Stripe | 170 psi @ 72° F | 50385K74 | 0000 |
| 1/2" | Black with Green Stripe | 100 psi @ 72° F | 50385K75 | 0000 |
Fluoroelastomer Rubber | ||||
| 3/16" | Black with Red Stripe | 300 psi @ 72° F | 50385K81 | 00000 |
| 1/4" | Black with Red Stripe | 300 psi @ 72° F | 50385K82 | 0000 |
| 5/16" | Black with Red Stripe | 220 psi @ 72° F | 50385K83 | 0000 |
| 3/8" | Black with Red Stripe | 170 psi @ 72° F | 50385K84 | 0000 |
| 1/2" | Black with Red Stripe | 100 psi @ 72° F | 50385K85 | 00000 |
Sleeves for Vibration-Resistant Compression Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Lubricants, Mineral Oil, Water
- Temperature Range: -30° to 270° F, except fluoroelastomer rubber sleeves are -15° to 450° F
- Tubing: Use with copper
Use these sleeves with vibration-resistant compression nuts and fittings. They are rubber instead of metal, so they cushion the tubing and absorb vibration while creating a tight seal. They are also known as ferrules.
| For Tube OD | Sleeve Color | Max. Pressure | Each | |
Buna-N Rubber | ||||
|---|---|---|---|---|
| 1/8" | Black with Green Stripe | 300 psi @ 72° F | 50385K87 | 00000 |
| 3/16" | Black with Green Stripe | 300 psi @ 72° F | 50385K71 | 0000 |
| 1/4" | Black with Green Stripe | 300 psi @ 72° F | 50385K72 | 0000 |
| 5/16" | Black with Green Stripe | 220 psi @ 72° F | 50385K73 | 0000 |
| 3/8" | Black with Green Stripe | 170 psi @ 72° F | 50385K74 | 0000 |
| 1/2" | Black with Green Stripe | 100 psi @ 72° F | 50385K75 | 0000 |
Fluoroelastomer Rubber | ||||
| 3/16" | Black with Red Stripe | 300 psi @ 72° F | 50385K81 | 00000 |
| 1/4" | Black with Red Stripe | 300 psi @ 72° F | 50385K82 | 0000 |
| 5/16" | Black with Red Stripe | 220 psi @ 72° F | 50385K83 | 0000 |
| 3/8" | Black with Red Stripe | 170 psi @ 72° F | 50385K84 | 0000 |
| 1/2" | Black with Red Stripe | 100 psi @ 72° F | 50385K85 | 00000 |
Nuts for Vibration-Resistant Compression Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Lubricants, Mineral Oil, Water
- Temperature Range: -30° to 270° F
- Tubing: Use with copper
Use these nuts with vibration-resistant compression sleeves and fittings to create a strong seal on copper tubing. They are brass for good corrosion resistance.