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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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Ultra-High-Polish Gasket Fittings for Stainless Steel Tubing
- For Use With: Argon, Helium, Nitrogen
- Temperature Range: -420° to 1000° F
- Tubing: Use with 316/316L stainless steel
- Compatible With: Swagelok® VCR
The 15 Ra finish on the interior of these fittings creates an ultra-smooth surface. Also known as ultra-high-purity fittings, they are packed in a Class 100 clean room to prevent contamination. They are commonly used in semiconductor applications. Fittings use a metal gasket (sold separately), which generates fewer particles than a rubber gasket and creates a strong seal in high-pressure and high-vacuum applications. Fittings are 316 stainless steel for excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Wall Thick. | Lg. | Material | Max. Pressure | Max. Vacuum | Each | |
| 1/2" | 0.049" | 1 1/8" | 316L Stainless Steel | 3,500 psi @ 72° F | 10 -11 torr @ 72° F | 0000000 | 000000 |
Use a female nut to connect a threaded adapter or a Yor-Lok adapter with a butt-weld adapter.
Nuts for Ultra-High-Polish Gasket Fittings for Stainless Steel Tubing
- For Use With: Argon, Helium, Nitrogen
- Temperature Range: -420° to 1000° F
- Tubing: Use with 316/316L stainless steel
- Compatible With: Swagelok® VCR
Nuts are 316 stainless steel for excellent corrosion resistance.
To connect two butt-weld adapters, use a male nut and a female nut. To connect a threaded adapter or a Yor-Lok adapter with a butt-weld adapter, use a female nut. Nuts and adapters are sold separately.
For technical drawings and 3-D models, click on a part number.
Ultra-High-Polish Gasket Adapters for Stainless Steel Tubing
- For Use With: Argon, Helium, Nitrogen
- Temperature Range: -420° to 1000° F
- Tubing: Use with 316/316L stainless steel
- Compatible With: Swagelok® VCR
The 15 Ra finish on the interior of these adapters provides an ultra-smooth surface. Also known as ultra-high-purity fittings, they are packed in a Class 100 clean room to prevent contamination. They are commonly used in semiconductor applications. Adapters use a metal gasket (sold separately) which generates fewer particles than a rubber gasket and creates a strong seal in high-pressure and high-vacuum applications. Adapters are 316 stainless steel for excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Vibration-Resistant Ultra-High-Polish Gasket Fittings for Stainless Steel Tubing
- For Use With: Argon, Helium, Nitrogen
- Temperature Range: -420° to 1000° F
- Tubing: Use with 316/316L stainless steel
Polished to a 7 Ra finish on the inside, these fittings have an ultra-smooth interior surface. Also known as ultra-high-purity fittings, they are packed in a Class 100 clean room to prevent contamination. They are commonly used in semiconductor applications. Fittings use a metal gasket, which generates fewer particles than a rubber gasket and creates a strong seal in high-pressure and high-vacuum applications. Two anti-torque rings further reduce particle generation by preventing the metal gasket from twisting and loosening. Fittings are 316 stainless steel for excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Wall Thickness | Lg. | Material | Max. Pressure | Max. Vacuum | Each | |
| 1/4" | 0.035" | 1 13/16" | 316/316L Stainless Steel | 4,000 psi @ 72° F | 10 -11 torr @ 72° F | 0000000 | 000000 |
| 1/4" | 0.035" | 2 13/16" | 316/316L Stainless Steel | 4,000 psi @ 72° F | 10 -11 torr @ 72° F | 0000000 | 00000 |
| 3/8" | 0.035" | 2 5/8" | 316/316L Stainless Steel | 2,700 psi @ 72° F | 10 -11 torr @ 72° F | 0000000 | 00000 |
| 1/2" | 0.049" | 2 15/16" | 316/316L Stainless Steel | 2,800 psi @ 72° F | 10 -11 torr @ 72° F | 0000000 | 000000 |
| For Tube OD | Wall Thick. | Lg. | Material | Max. Pressure | Max. Vacuum | Compatible With | Each | |
| 1/4" | 0.035" | 1 1/8" | 316/316L Stainless Steel | 4,000 psi @ 72° F | 10 -11 torr @ 72° F | Swagelok® VCR | 0000000 | 000000 |
| 1/4" | 0.035" | 1 3/4" | 316/316L Stainless Steel | 4,000 psi @ 72° F | 10 -11 torr @ 72° F | Swagelok® VCR | 0000000 | 00000 |
| 3/8" | 0.035" | 5/8" | 316/316L Stainless Steel | 2,700 psi @ 72° F | 10 -11 torr @ 72° F | Swagelok® VCR | 0000000 | 00000 |
| 3/8" | 0.035" | 1 5/16" | 316/316L Stainless Steel | 2,700 psi @ 72° F | 10 -11 torr @ 72° F | Swagelok® VCR | 0000000 | 00000 |
| 1/2" | 0.049" | 1 1/8" | 316/316L Stainless Steel | 2,800 psi @ 72° F | 10 -11 torr @ 72° F | Swagelok® VCR | 0000000 | 00000 |
| 1/2" | 0.049" | 1 13/16" | 316/316L Stainless Steel | 2,800 psi @ 72° F | 10 -11 torr @ 72° F | Swagelok® VCR | 0000000 | 00000 |
Male | Female | ||||||
|---|---|---|---|---|---|---|---|
| For Tube OD | Nut Material | Max. Pressure | Max. Vacuum | Each | Each | ||
| 1/4" | 316/316L Stainless Steel | 4,000 psi @ 72° F | 10 -11 torr @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 3/8" | 316/316L Stainless Steel | 2,700 psi @ 72° F | 10 -11 torr @ 72° F | 0000000 | 0000 | 0000000 | 0000 |
| 1/2" | 316/316L Stainless Steel | 2,800 psi @ 72° F | 10 -11 torr @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
