System of Measurement System of Measurement |
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Type Type |
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Shape Shape |
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Material Material |
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Connection Style Connection Style |
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| Compression |
For Tube Material For Tube Material |
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For Use With For Use With | Show |
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For Use With For Use With | Hide |
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Cap Type Cap Type |
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 | Screw On |
Maximum Pressure Maximum Pressure |
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Gender Gender |
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Connection Type Connection Type |
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 | Tube |
Maximum Vacuum Maximum Vacuum |
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For Tube Specifications Met For Tube Specifications Met |
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Maximum Temperature Maximum Temperature |
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Length Length |
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Compatible With Compatible With |
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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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Precision Compression Fittings for Stainless Steel Tubing
- For Use With: Air, Cutting Oil, Ethyl Alcohol, Fuel Oil, Gasoline, Hydraulic Fluid, Isopropyl Alcohol, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -420° to 1200° F
- Tubing: Use with welded or seamless 304 or 316 stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
- Compatible With: Parker CPI
Made to tighter tolerances than other compression fittings, these are designed for high-precision applications. Also known as instrumentation fittings and flareless fittings. They come with a nut and a single sleeve (ferrule). The sleeve bites into tubing as you tighten the nut to create a strong seal. Fittings are 316 stainless steel for excellent corrosion resistance. A molybdenum disulfide coating on the nut acts as a lubricant for easy installation.
For technical drawings and 3-D models, click on a part number.
Caps for tubing have a nut and a sleeve so you can close off the end of your tubing in place of a fitting. Caps for fittings replace the nut and sleeve of an existing fitting.
For Tube | For Tubing | For Fitting | |||||
|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Material | Max. Pressure | Each | Each | ||
| 1/16" | 0.02" | 316 Stainless Steel | 7,500 psi @ 72° F | 00000000 | 000000 | 00000000 | 000000 |
| 1/8" | 0.035" | 316 Stainless Steel | 5,500 psi @ 72° F | 00000000 | 00000 | 00000000 | 00000 |
| 3/16" | 0.035" | 316 Stainless Steel | 5,500 psi @ 72° F | 00000000 | 00000 | 00000000 | 00000 |
| 1/4" | 0.035" | 316 Stainless Steel | 4,000 psi @ 72° F | 00000000 | 00000 | 00000000 | 0000 |
| 5/16" | 0.035" | 316 Stainless Steel | 3,200 psi @ 72° F | 00000000 | 00000 | 00000000 | 00000 |
| 3/8" | 0.035" | 316 Stainless Steel | 2,600 psi @ 72° F | 00000000 | 00000 | 00000000 | 00000 |
| 1/2" | 0.035" | 316 Stainless Steel | 2,100 psi @ 72° F | 00000000 | 00000 | 00000000 | 00000 |
| 5/8" | 0.049" | 316 Stainless Steel | 2,100 psi @ 72° F | 00000000 | 00000 | 00000000 | 00000 |
| 3/4" | 0.049" | 316 Stainless Steel | 2,100 psi @ 72° F | 00000000 | 00000 | 00000000 | 00000 |
For Tube | |||||
|---|---|---|---|---|---|
| OD | Wall Thick. | Nut Material | Max. Pressure | Each | |
| 1/16" | 0.02" | Molybdenum-Disulfide-Coated 316 Stainless Steel | 7,500 psi @ 72° F | 00000000 | 00000 |
| 3/16" | 0.035" | Molybdenum-Disulfide-Coated 316 Stainless Steel | 5,500 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 0.035" | Molybdenum-Disulfide-Coated 316 Stainless Steel | 4,000 psi @ 72° F | 00000000 | 0000 |
| 5/16" | 0.035" | Molybdenum-Disulfide-Coated 316 Stainless Steel | 3,200 psi @ 72° F | 00000000 | 0000 |
| 3/8" | 0.035" | Molybdenum-Disulfide-Coated 316 Stainless Steel | 2,600 psi @ 72° F | 00000000 | 0000 |
| 1/2" | 0.035" | Molybdenum-Disulfide-Coated 316 Stainless Steel | 2,100 psi @ 72° F | 00000000 | 0000 |
| 5/8" | 0.049" | Molybdenum-Disulfide-Coated 316 Stainless Steel | 2,100 psi @ 72° F | 00000000 | 00000 |
| 3/4" | 0.049" | Molybdenum-Disulfide-Coated 316 Stainless Steel | 2,100 psi @ 72° F | 00000000 | 00000 |
For Tube | |||||
|---|---|---|---|---|---|
| OD | Wall Thick. | Sleeve Material | Max. Pressure | Each | |
| 1/16" | 0.02" | 316 Stainless Steel | 7,500 psi @ 72° F | 00000000 | 00000 |
| 1/8" | 0.035" | 316 Stainless Steel | 5,500 psi @ 72° F | 00000000 | 0000 |
| 3/16" | 0.035" | 316 Stainless Steel | 5,500 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 0.035" | 316 Stainless Steel | 4,000 psi @ 72° F | 00000000 | 0000 |
| 5/16" | 0.035" | 316 Stainless Steel | 3,200 psi @ 72° F | 00000000 | 0000 |
| 3/8" | 0.035" | 316 Stainless Steel | 2,600 psi @ 72° F | 00000000 | 0000 |
| 1/2" | 0.035" | 316 Stainless Steel | 2,100 psi @ 72° F | 00000000 | 0000 |
| 5/8" | 0.049" | 316 Stainless Steel | 2,100 psi @ 72° F | 00000000 | 0000 |
| 3/4" | 0.049" | 316 Stainless Steel | 2,100 psi @ 72° F | 00000000 | 00000 |
Precision Compression Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Ethyl Alcohol, Fuel Oil, Gasoline, Hydraulic Fluid, Isopropyl Alcohol, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -40° to 350° F
- Tubing: Use with seamless copper that meets ASTM B68, ASTM B75, or ASTM B88
- Compatible With: Parker CPI
Made to tighter tolerances than other compression fittings, these are designed for high-precision applications. They are also known as instrumentation fittings and flareless fittings. They come with a nut and a single sleeve (ferrule). The sleeve bites into tubing as you tighten the nut to create a strong seal. The nut has a molybdenum disulfide coating that acts as a lubricant for easy installation. Fittings are brass for good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Caps for tubing have a nut and a sleeve so you can close off the end of your tubing in place of a fitting. Caps for fittings replace the nut and sleeve of an existing fitting.
For Tube | Caps For Tubing | Caps For Fitting | |||||
|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Material | Max. Pressure | Each | Each | ||
| 1/8" | 0.035" | Brass | 2,700 psi @ 72° F | 000000 | 00 | 00000000 | 00000 |
| 1/8" | 0.035" | Brass | 3,600 psi @ 72° F | 00000000 | 00000 | 000000 | 00 |
| 3/16" | 0.035" | Brass | 1,200 psi @ 72° F | 000000 | 00 | 00000000 | 0000 |
| 3/16" | 0.035" | Brass | 2,300 psi @ 72° F | 00000000 | 0000 | 000000 | 00 |
| 1/4" | 0.035" | Brass | 1,200 psi @ 72° F | 00000000 | 0000 | 00000000 | 0000 |
| 5/16" | 0.035" | Brass | 1,200 psi @ 72° F | 000000 | 00 | 00000000 | 0000 |
| 3/8" | 0.035" | Brass | 1,000 psi @ 72° F | 00000000 | 0000 | 00000000 | 0000 |
| 1/2" | 0.049" | Brass | 1,200 psi @ 72° F | 00000000 | 00000 | 00000000 | 0000 |
| 5/8" | 0.065" | Brass | 1,200 psi @ 72° F | 00000000 | 00000 | 000000 | 00 |
For Tube | |||||
|---|---|---|---|---|---|
| OD | Wall Thick. | Sleeve Material | Max. Pressure | Each | |
| 1/8" | 0.035" | Brass | 2,700 psi @ 72° F | 00000000 | 00000 |
| 3/16" | 0.035" | Brass | 1,200 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 0.035" | Brass | 1,200 psi @ 72° F | 00000000 | 0000 |
| 5/16" | 0.035" | Brass | 1,200 psi @ 72° F | 00000000 | 0000 |
| 3/8" | 0.035" | Brass | 1,000 psi @ 72° F | 00000000 | 0000 |
| 1/2" | 0.049" | Brass | 1,200 psi @ 72° F | 00000000 | 0000 |
| 5/8" | 0.065" | Brass | 1,300 psi @ 72° F | 00000000 | 0000 |