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| Compression |
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Warning: Products have one, but not necessarily all, of the selected characteristics.
Maximum Pressure Maximum Pressure |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Specifications Met Specifications Met |
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Compression Connection Type CompressionConnection Type |
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 | Standard |
For Tube Fabrication For Tube Fabrication |
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For Tube Material For Tube Material |
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Maximum Vacuum Maximum Vacuum |
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Nut Material Nut Material |
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Sleeve Material Sleeve Material |
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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.
More
About Backflow-Prevention Valves
More
Vibration-Resistant Compression
Fittings for Stainless Steel Tubing
- For Use With: Acetylene, Air, Butane, Compressed Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Helium, Hydraulic Fluid (Petroleum Base), Kerosene, Mineral Oil, Natural Gas, Nitrogen, Propane, Soap Solutions
- Temperature Range: -10° to 400° F
- Tubing: Use with seamless 316Ti or 321 stainless steel
- Specifications Met: DIN 3861
Instead of a metal sleeve (ferrule), these fittings have a rubber sleeve that cushions tubing and absorbs vibration to maintain a tight seal, even when connected to large pumps. However, rubber sleeves can’t withstand temperatures as high as metal ones. To create the strong seal, tighten the included nut. These fittings are made of 316 stainless steel, so they have excellent corrosion resistance. They’re also known as flareless fittings. All meet DIN 3861, which is an international standard for compression tube fitting specifications.
BSPP and metric male threads have a gasket to prevent leaks.
For technical drawings and 3-D models, click on a part number.
Straight Adapters, Tube × Male Threaded Pipe
Straight Adapters, Tube × Male Threaded Pipe
BSPP and Metric
Male Threads with
Gasket and Washer
Male Threads with
Gasket and Washer
For Tube | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Pipe Size | Thread Size | Thread Pitch, mm | Material | Gasket Material | Maximum Pressure | Each | |
NPT Threads | |||||||||
| 6 | 1 | 1/8 | __ | __ | 316 Stainless Steel | __ | 4,500 psi @ 72° F | 00000000 | 000000 |
| 6 | 1 | 1/4 | __ | __ | 316 Stainless Steel | __ | 4,500 psi @ 72° F | 00000000 | 00000 |
| 8 | 1 | 1/4 | __ | __ | 316 Stainless Steel | __ | 4,500 psi @ 72° F | 00000000 | 00000 |
| 10 | 1 | 1/4 | __ | __ | 316 Stainless Steel | __ | 4,500 psi @ 72° F | 00000000 | 00000 |
| 10 | 1 | 3/8 | __ | __ | 316 Stainless Steel | __ | 4,500 psi @ 72° F | 00000000 | 00000 |
| 12 | 1.5 | 1/4 | __ | __ | 316 Stainless Steel | __ | 4,500 psi @ 72° F | 00000000 | 00000 |
| 12 | 1.5 | 3/8 | __ | __ | 316 Stainless Steel | __ | 4,500 psi @ 72° F | 00000000 | 00000 |
| 12 | 1.5 | 1/2 | __ | __ | 316 Stainless Steel | __ | 4,500 psi @ 72° F | 00000000 | 00000 |
| 15 | 1.5 | 1/2 | __ | __ | 316 Stainless Steel | __ | 4,500 psi @ 72° F | 00000000 | 000000 |
| 18 | 2 | 1/2 | __ | __ | 316 Stainless Steel | __ | 4,500 psi @ 72° F | 00000000 | 000000 |
| 22 | 2.5 | 3/4 | __ | __ | 316 Stainless Steel | __ | 2,300 psi @ 72° F | 00000000 | 000000 |
| 28 | 2.5 | 1 | __ | __ | 316 Stainless Steel | __ | 2,300 psi @ 72° F | 00000000 | 000000 |
| 35 | 3 | 1 1/4 | __ | __ | 316 Stainless Steel | __ | 2,300 psi @ 72° F | 00000000 | 000000 |
| 42 | 3.5 | 1 1/2 | __ | __ | 316 Stainless Steel | __ | 2,300 psi @ 72° F | 00000000 | 000000 |
BSPP Threads | |||||||||
| 6 | 1 | 1/8 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 6 | 1 | 1/4 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 8 | 1 | 1/8 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 8 | 1 | 1/4 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 8 | 1 | 3/8 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 10 | 1 | 1/4 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 10 | 1 | 3/8 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 10 | 1 | 1/2 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 12 | 1.5 | 1/4 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 12 | 1.5 | 3/8 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 12 | 1.5 | 1/2 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 000000 |
| 15 | 1.5 | 3/8 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 000000 |
| 15 | 1.5 | 1/2 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 000000 |
| 18 | 2 | 1/2 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 18 | 2 | 3/4 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 2,300 psi @ 72° F | 00000000 | 000000 |
| 22 | 2.5 | 3/4 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 2,300 psi @ 72° F | 00000000 | 000000 |
| 28 | 2.5 | 1 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 2,300 psi @ 72° F | 00000000 | 000000 |
| 35 | 3 | 1 1/4 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 2,300 psi @ 72° F | 00000000 | 000000 |
| 42 | 3.5 | 1 1/2 | __ | __ | 316 Stainless Steel | Fluoroelastomer Rubber | 2,300 psi @ 72° F | 00000000 | 000000 |
Metric Threads | |||||||||
| 8 | 1 | __ | M12 | 1.5 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 10 | 1 | __ | M14 | 1.5 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 12 | 1.5 | __ | M16 | 1.5 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 00000 |
| 12 | 1.5 | __ | M18 | 1.5 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 000000 |
| 12 | 1.5 | __ | M22 | 1.5 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 000000 |
| 15 | 1.5 | __ | M18 | 1.5 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 000000 |
| 15 | 1.5 | __ | M22 | 1.5 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 000000 |
| 18 | 2 | __ | M22 | 1.5 | 316 Stainless Steel | Fluoroelastomer Rubber | 4,500 psi @ 72° F | 00000000 | 000000 |
| 22 | 2.5 | __ | M26 | 1.5 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,300 psi @ 72° F | 00000000 | 000000 |
| 28 | 2.5 | __ | M33 | 2 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,300 psi @ 72° F | 00000000 | 000000 |
| 35 | 3 | __ | M42 | 2 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,300 psi @ 72° F | 00000000 | 000000 |
| 42 | 3.5 | __ | M48 | 2 | 316 Stainless Steel | Fluoroelastomer Rubber | 2,300 psi @ 72° F | 00000000 | 000000 |
Straight Adapters, Tube × Female Threaded Pipe
Straight Adapters, Tube × Female Threaded Pipe
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Pipe Size | Thread Size | Thread Pitch, mm | Material | Maximum Pressure | Each | |
BSPP Threads | ||||||||
| 6 | 1 | 1/8 | __ | __ | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 8 | 1 | 1/4 | __ | __ | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 8 | 1 | 1/2 | __ | __ | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 10 | 1 | 1/4 | __ | __ | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 10 | 1 | 3/8 | __ | __ | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 10 | 1 | 1/2 | __ | __ | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 12 | 1.5 | 3/8 | __ | __ | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 12 | 1.5 | 1/2 | __ | __ | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 15 | 1.5 | 1/2 | __ | __ | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 18 | 2 | 1/2 | __ | __ | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 22 | 2.5 | 3/4 | __ | __ | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 000000 |
| 28 | 2.5 | 1 | __ | __ | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 000000 |
| 35 | 3 | 1 1/4 | __ | __ | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 000000 |
Metric Threads | ||||||||
| 6 | 1 | __ | M10 | 1 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 8 | 1 | __ | M12 | 1.5 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 15 | 1.5 | __ | M18 | 1.5 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 18 | 2 | __ | M22 | 1.5 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 35 | 3 | __ | M42 | 2 | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 000000 |
90° Elbow Adapters, Tube × Male Threaded Pipe
90° Elbow
Adapters, Tube ×
Male Threaded Pipe
Adapters, Tube ×
Male Threaded Pipe
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Pipe Size | Material | Maximum Pressure | Each | |
NPT Threads | ||||||
| 6 | 1 | 1/8 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 6 | 1 | 1/4 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 8 | 1 | 1/4 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 10 | 1 | 1/4 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 10 | 1 | 3/8 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 12 | 1.5 | 1/4 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 12 | 1.5 | 1/2 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 15 | 1.5 | 1/2 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 18 | 2 | 1/2 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 22 | 2.5 | 3/4 | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 000000 |
| 28 | 2.5 | 1 | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 000000 |
| 35 | 3 | 1 1/4 | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 000000 |
| 42 | 3.5 | 1 1/2 | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 000000 |
Nuts
Nut
For Tube | |||||
|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Nut Material | Maximum Pressure | Each | |
| 6 | 1 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 000000 |
| 8 | 1 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 10 | 1 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 12 | 1.5 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 15 | 1.5 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 18 | 2 | 316 Stainless Steel | 4,500 psi @ 72° F | 00000000 | 00000 |
| 22 | 2.5 | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 00000 |
| 28 | 2.5 | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 000000 |
| 35 | 3 | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 00000 |
| 42 | 3.5 | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 000000 |
Pipeline Fluid Blockers
Also known as paddle blinds, these fit between two flanges to temporarily block the flow while you work downstream.
304 stainless steel blinds are more corrosion resistant than steel blinds.
PTFE-Coated 304 Stainless Steel
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)