Highvac manufactures a complete line of ISO flanges and fittings in accordance with ISO. The ISO flange sizes manufactured by Highvac are ISO 63, ISO 80, ISO 100, ISO 160, ISO 200, ISO 250, ISO 320, ISO 400, ISO 500, which is also known in the industry as ISO-K, LF, ISO, MF, regardless of their designated name Highvac manufactures and stocks most of the ISO components including: iso double claw clamp, iso single claw clamp, iso double flange bolt, iso centering ring assembly, iso rotatable bolt ring, iso bolted flange, iso blank flange, iso weld flange, iso long butt flange, iso short weld flange, iso stub weld flange, iso half nipple, iso nipples, iso to quick coupling, iso to stainless bellows, iso to flexible metal hose, iso to iso reducer, iso conical reducer, iso to nw reducer, iso to cf nipple, iso to cf conical reducer, iso elbows, iso tees, iso cross, iso 4-way cross, iso 5-way cross, iso 6-way cross, iso custom fabrication.
- ISO flanges are sexless, infinitely rotatable, self- centering, and available for either internal or butt welding.
- ISO-B (bolted) flanges are sexless, self-centering, available for either internal or butt welding, and if bolted to a rotatable bolt ring (which contain an ISO style flange) can be infinitely rotatable.
- Flange interface dimensions are made to ISO standards and are interchangeable with all components made to these standards.
- Every welded assembly is helium leak checked to have a leak rate of less than 1×10-9 standard cc/sec.
- Custom configurations are available and made to the same exacting requirements as standard components. Call our engineering staff to discuss your special needs.
| Nominal Flange Size Designation (mm) |
Suggested Tubing Dims: O.D. X Wall (inches) |
ISO MULTI-FASTENERS FLANGE(ISO)
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ISO BOLTED FLANGE (ISO-B)
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| ISO 63 | 2.50 x .065 |
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| ISO 80 | 3.00 x .065 |
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| ISO100 | 4.0 x .065 |
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| ISO160 | 6.0 x .083 |
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| ISO200 | 8.00 x .120 |
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| ISO250 | 10.00 x .125 |
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| ISO320 | 12.75 x .165 |
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| ISO400 | 16.00 x .188 |
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| ISO500 | 20.00 x .188 |
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