Selecting a profile or cross section is an important factor when designing a seal. The following profiles are currently available within the Q Design Tool. Please note all profiles or materials are not available in all configurations. This will, however, give you a good understanding of what you may select once you begin the process.
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| Type 1 Footed Designs |
Type 2 Racetrack Designs |
Type 10 High Pressure Designs |
Type 1 Footed Designs - most widely used and available; easy to retain
| Profile | Width | Uninflated Height |
Recommended Gap |
Inflated Height | Available Materials | ||||||
| in | mm | in | mm | in | mm | in | mm | ||||
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Q573 | 0.688 | 17.46 | 0.438 | 11.11 | 0.125 | 3.18 | 0.512 | 13.00 | EPDM (FDA-Compliant), Silicone (FDA-Compliant) | |
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Q978 | 1.00 | 25.40 | 0.500 | 12.70 | 0.250 | 6.35 | 0.750 | 19.05 | EPDM (FDA-Compliant), Silicone (FDA-Compliant) | |
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Q951 | 1.181 | 30.00 | 0.787 | 20.00 | 0.313 | 7.94 | 1.100 | 27.94 | Silicone (FDA-Compliant) | |
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Q537 | 1.250 | 31.75 | 0.625 | 15.88 | 0.375 | 9.53 | 1.000 | 25.40 | Nitrile, Neoprene, EPDM (FDA-Compliant), Silicone (FDA-Compliant) | |
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Q9185 | 1.563 | 39.69 | 1.062 | 26.99 | 0.500 | 12.70 | 1.562 | 39.67 | Silicone (FDA-Compliant) | |
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Q535 | 2.000 | 50.80 | 0.875 | 22.23 | 0.750 | 19.05 | 1.625 | 41.28 | Nitrile, Neoprene, EPDM (FDA-Compliant), Silicone (FDA-Compliant) | |
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Q946 | 2.375 | 60.33 | 1.375 | 34.93 | 0.813 | 20.64 | 2.188 | 55.58 | EPDM, Silicone (FDA-Compliant) | |
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Q548 | 3.000 | 76.20 | 1.250 | 31.75 | 1.000 | 25.40 | 2.250 | 57.15 | Neoprene, EPDM (FDA-Compliant) | |
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Q934 | 4.000 | 101.60 | 1.625 | 41.28 | 1.375 | 34.93 | 3.000 | 76.20 | EPDM | |
Type 2 Racetrack Designs - lower uninflated height; commonly retained in channels
| Profile | Width | Uninflated Height |
Recommended Gap |
Inflated Height | Available Materials | ||||||
| in | mm | in | mm | in | mm | in | mm | ||||
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Q920 | 0.750 | 19.05 | 0.250 | 6.35 | 0.188 | 4.76 | 0.438 | 11.13 | EPDM | |
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Q903 | 1.250 | 31.75 | 0.375 | 9.53 | 0.375 | 9.53 | 0.750 | 19.05 | EPDM (FDA-Compliant) | |
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Q509 | 1.500 | 38.10 | 0.375 | 9.53 | 0.375 | 9.53 | 0.750 | 19.05 | Silicone (FDA-Compliant) | |
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Q423 | 2.000 | 50.80 | 0.500 | 12.70 | 0.750 | 19.05 | 1.250 | 31.75 | EPDM, Silicone (FDA-Compliant) | |
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Q564 | 2.500 | 63.50 | 0.500 | 12.70 | 0.875 | 22.23 | 1.375 | 34.93 | EPDM (FDA-Compliant) | |
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Q520 | 3.000 | 76.20 | 0.750 | 19.05 | 1.000 | 25.40 | 1.750 | 44.45 | Neoprene | |
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Q578 | 3.250 | 82.55 | 0.500 | 12.70 | 1.000 | 25.40 | 1.500 | 38.10 | EPDM (FDA-Compliant) | |
Type 10 Heavy Duty Channel Designs - high pressure/low gap seals; must be retained in a channel
| Profile | Width | Uninflated Height |
Recommended Gap |
Inflated Height | Available Materials | ||||||
| in | mm | in | mm | in | mm | in | mm | ||||
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Q993 | 0.551 | 14.00 | 0.394 | 10.00 | 0.118 | 3.00 | 0.512 | 13.00 | EPDM (FDA-Compliant), Silicone (FDA-Compliant) | |
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Q995 | 0.630 | 16.00 | 0.472 | 12.00 | 0.118 | 3.00 | 0.590 | 15.00 | EPDM (FDA-Compliant), Silicone (FDA-Compliant) | |
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Q997 | 0.827 | 21.00 | 0.945 | 24.00 | 0.197 | 5.00 | 1.142 | 29.00 | EPDM (FDA-Compliant), Silicone (FDA-Compliant) | |
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Q999 | 1.378 | 35.00 | 1.260 | 32.00 | 0.394 | 10.00 | 1.654 | 42.00 | EPDM (FDA-Compliant), Silicone (FDA-Compliant) | |