Vacuum Rating Vacuum Rating | Show |
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Vacuum Rating Vacuum Rating | Hide |
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For Use With For Use With |
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Connection Style Connection Style |
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Claw Clamp |
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Flanged |
Cross Section Shape Cross Section Shape |
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System of Measurement System of Measurement |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Color Color |
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![]() | Black |
Hardness Rating Hardness Rating |
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Fractional Width Fractional Width |
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Environmental Rating Environmental Rating |
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Specifications Met Specifications Met |
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Environment Environment |
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These O-rings are heat-treated, cleaned, and double-bagged in an ISO Class 5 (Class 100) clean room for use in high-vacuum systems. Also known as baked O-rings, they are heated to 300° F to remove trapped air, gases, and other impurities that can escape and contaminate a vacuum system. Made of fluoroelastomer, these O-rings won’t degrade when exposed to chemicals such as benzene, butyl alcohol, and ethylene glycol. They have a round profile and are made to standard SAE AS568 sizes.
For technical drawings and 3-D models, click on a part number.
Fractional | Actual | ||||||||||
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Dash Number | ID | OD | ID | OD | Hardness | Environmental Rating | Specifications Met | Temperature Range, °F | Color | Each | |
Wd.: 1/16 Fractional (0.070" Actual) | |||||||||||
006 | 1/8 | 1/4 | 0.114" | 0.254" | Durometer 75A (Medium) | Class 100 (Fed. Std.), Class 5 (ISO) | ASTM D2000, SAE AS568 | -15° to 400° | Black | 0000000 | 000000 |
007 | 5/32 | 9/32 | 0.145" | 0.285" | Durometer 75A (Medium) | Class 100 (Fed. Std.), Class 5 (ISO) | ASTM D2000, SAE AS568 | -15° to 400° | Black | 0000000 | 00000 |
008 | 3/16 | 5/16 | 0.176" | 0.316" | Durometer 75A (Medium) | Class 100 (Fed. Std.), Class 5 (ISO) | ASTM D2000, SAE AS568 | -15° to 400° | Black | 0000000 | 00000 |
010 | 1/4 | 3/8 | 0.239" | 0.379" | Durometer 75A (Medium) | Class 100 (Fed. Std.), Class 5 (ISO) | ASTM D2000, SAE AS568 | -15° to 400° | Black | 0000000 | 00000 |
011 | 5/16 | 7/16 | 0.301" | 0.441" | Durometer 75A (Medium) | Class 100 (Fed. Std.), Class 5 (ISO) | ASTM D2000, SAE AS568 | -15° to 400° | Black | 0000000 | 00000 |
012 | 3/8 | 1/2 | 0.364" | 0.504" | Durometer 75A (Medium) | Class 100 (Fed. Std.), Class 5 (ISO) | ASTM D2000, SAE AS568 | -15° to 400° | Black | 0000000 | 00000 |
013 | 7/16 | 9/16 | 0.426" | 0.566" | Durometer 75A (Medium) | Class 100 (Fed. Std.), Class 5 (ISO) | ASTM D2000, SAE AS568 | -15° to 400° | Black | 0000000 | 00000 |
014 | 1/2 | 5/8 | 0.489" | 0.629" | Durometer 75A (Medium) | Class 100 (Fed. Std.), Class 5 (ISO) | ASTM D2000, SAE AS568 | -15° to 400° | Black | 0000000 | 00000 |
015 | 9/16 | 11/16 | 0.551" | 0.691" | Durometer 75A (Medium) | Class 100 (Fed. Std.), Class 5 (ISO) | ASTM D2000, SAE AS568 | -15° to 400° | Black | 0000000 | 00000 |
Create airtight seals in high-vacuum systems by placing these rings between two claw-clamp (ISO-K) or bolt-together (ISO-F) fittings. They contain a Viton® fluoroelastomer O-ring—when you clamp or bolt your fittings together, the O-ring compresses to establish the seal.
Claw-Clamp Connection | Flanged Connection | Material | ||||||||||
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For Tube OD | For Flange OD | Trade Number | High Vacuum Connection Type | For Tube OD | For Flange OD | Trade Number | High Vacuum Connection Type | O-Ring | Inner Ring | Max. Vacuum | Each | |
2 1/2" | 3.74" | 63 | ISO-K | 2 1/2" | 5.12" | 63 | ISO-F | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
3" | 4.33" | 80 | ISO-K | 3" | 5.71" | 80 | ISO-F | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 000000 | 00000 |
4" | 5.12" | 100 | ISO-K | 4" | 6.5" | 100 | ISO-F | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 0000000 | 00000 |
6" | 7.09" | 160 | ISO-K | 6" | 8.86" | 160 | ISO-F | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 0000000 | 00000 |