Connection Style Connection Style | Show |
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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 |
For Tube Material For Tube Material |
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For Use With For Use With |
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System of Measurement System of Measurement |
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Shape Shape |
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 | Straight |
Compatible With Compatible With |
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High Vacuum Connection Type High Vacuum Connection Type |
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Mount Type Mount Type |
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 | Through Wall |
Connection Type Connection Type |
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 | Tube |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Maximum Environment Temperature Maximum EnvironmentTemperature |
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Maximum Vacuum Maximum Vacuum |
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Minimum Environment Temperature Minimum EnvironmentTemperature |
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Nut Material Nut Material |
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Sterilize With Sterilize With |
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Sleeve Material Sleeve Material |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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.
Quick-clamp fittings meet ISO 2861, which specifies the dimensions of quick-clamp high-vacuum fittings, clamps, and rings to ensure vacuum tightness. These fittings require a clamp and ring (each sold separately) to complete the connection.
For technical drawings and 3-D models, click on a part number.
For Tube | |||||||||
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| Flange OD | High-Vacuum Flange Size | OD | Wall Thick. | Lg. | Max. Vacuum | Material | Specifications Met | Each | |
For Use With Acetone, Air, Ammonium Hydroxide, Helium, Methane, Nitrogen, Oil, Water | |||||||||
| 1.18" | 16 | 1/4" | 0.028"-0.095" | 8" | 1 × 10 -8 torr @ 72° F | 304 Stainless Steel | ISO 2861 | 0000000 | 0000000 |
| 1.57" | 25 | 1/4" | 0.028"-0.095" | 8" | 1 × 10 -8 torr @ 72° F | 304 Stainless Steel | ISO 2861 | 0000000 | 000000 |
| 2.16" | 40 | 1/4" | 0.028"-0.095" | 8" | 1 × 10 -8 torr @ 72° F | 304 Stainless Steel | ISO 2861 | 0000000 | 000000 |
| 2.95" | 50 | 1/4" | 0.028"-0.095" | 8" | 1 × 10 -8 torr @ 72° F | 304 Stainless Steel | ISO 2861 | 0000000 | 000000 |
For Use With Liquid Helium, Liquid Methane, Liquid Nitrogen, Liquid Oxygen | |||||||||
| 1.18" | 16 | 1/4" | 0.028"-0.095" | 9" | 1 × 10 -8 torr @ 72° F | 304 Stainless Steel | ISO 2861 | 0000000 | 000000 |
| 1.57" | 25 | 1/4" | 0.028"-0.095" | 9" | 1 × 10 -8 torr @ 72° F | 304 Stainless Steel | ISO 2861 | 0000000 | 000000 |
| 2.16" | 40 | 1/4" | 0.028"-0.095" | 9" | 1 × 10 -8 torr @ 72° F | 304 Stainless Steel | ISO 2861 | 0000000 | 000000 |
| 2.95" | 50 | 1/4" | 0.028"-0.095" | 9" | 1 × 10 -8 torr @ 72° F | 304 Stainless Steel | ISO 2861 | 0000000 | 000000 |
Material | ||||||
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| For Flange OD | For High-Vacuum Flange Size | O-Ring | Inner Ring | Max. Vacuum | Each | |
| 1.18" | 16 | Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 00000000 | 00000 |
| 1.57" | 25 | Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |
| 2.16" | 40 | Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |
| 2.95" | 50 | Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |