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Connection Style Connection Style | Hide |
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Material Material |
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Type Type |
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 | Connector |
System of Measurement System of Measurement |
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Mount Type Mount Type |
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 | Through Wall |
High Vacuum Connection Type High Vacuum Connection Type |
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For Tube Material For Tube Material |
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Maximum Vacuum Maximum Vacuum |
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For Use With For Use With |
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Fitting Material Fitting Material |
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Minimum Environment Temperature Minimum EnvironmentTemperature |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Sleeve Material Sleeve Material |
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Maximum Environment Temperature Maximum EnvironmentTemperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Compatible With Compatible With |
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How to Identify and Measure Fittings
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Through-Wall Fittings for High-Vacuum Chambers
- For Use With: See table
- Environment Temperature Range: 32° to 300° F
- Process Temperature Range: -325° to 995° F
- Tubing: Use with 304/304L or 316/316L stainless steel
- Specifications Met: See table
Transfer liquids and gasses into high-vacuum chambers with these assembled fittings, also known as feedthroughs. Because they form a tight seal on chamber walls, they are often used in coating, cooling, and leak-testing applications where negative pressure (vacuum) must be maintained. These fittings are ready to install and include high-vacuum fittings, metal tubing, and Yor-lok tube fittings. On each end, the Yor-lok fittings include a nut and two sleeves that grip your system’s stainless steel tubing. The entire assembly is stainless steel, so it resists rusting. These fittings are not for use in pressure applications.
Flanged fittings require a gasket and bolt kit (each sold separately) to complete the connection.
For technical drawings and 3-D models, click on a part number.
Bolt Hole | For Tube | ||||||||||
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| Flange OD | Trade Number | Bolt Circle Dia. | Dia. | No. of | OD | Wall Thick. | Lg. | Max. Vacuum | Material | Each | |
For Use With Acetone, Air, Ammonium Hydroxide, Helium, Methane, Nitrogen, Oil, Water | |||||||||||
| 1 21/64" | 16 | 1 1/16" | 11/64" | 6 | 1/4" | 0.028"-0.095" | 8" | 1 × 10 -13 torr @ 72° F | 304 Stainless Steel | 0000000 | 0000000 |
| 2 3/4" | 40 | 2 5/16" | 17/64" | 6 | 1/4" | 0.028"-0.095" | 8" | 1 × 10 -13 torr @ 72° F | 304 Stainless Steel | 0000000 | 000000 |
For Use With Liquid Helium, Liquid Methane, Liquid Nitrogen, Liquid Oxygen | |||||||||||
| 1 21/64" | 16 | 1 1/16" | 11/64" | 6 | 1/4" | 0.028"-0.095" | 9" | 1 × 10 -13 torr @ 72° F | 304 Stainless Steel | 0000000 | 000000 |
| 2 3/4" | 40 | 2 5/16" | 17/64" | 6 | 1/4" | 0.028"-0.095" | 9" | 1 × 10 -13 torr @ 72° F | 304 Stainless Steel | 0000000 | 000000 |
