Welcome to Vulcan Seal Identification Suite
Parallel Spring Diaphragm Seals
| Type 10 Imperial | Parallel Spring Diaphragm Seals | |
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Single spring, rubber diaphragm seal with boot mounted seat as standard. Available for metric and imperial shaft sizes (metric shown), a widely specified and utilised seal type, capable of long service life. Alternative version with longer working length available |
| Type 10 Metric | Parallel Spring Diaphragm Seals | |
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Single spring, rubber diaphragm seal with boot mounted seat as standard. Available for metric and imperial shaft sizes (metric shown), a widely specified and utilised seal type, capable of long service life. Alternative version with longer working length available |
| Type 11 | Parallel Spring Diaphragm Seals | |
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Metric and imperial single spring, rubber diaphragm shaft seal (Imperial shown), designed for different sized seat housings and seal working lengths to the Types 10 + 20. Imperial sizes are most commonly found on American equipment. Alternative version with longer working length available. |
| Type 20 Imperial | Parallel Spring Diaphragm Seals | |
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Single spring, rubber diaphragm seal with boot mounted seat as standard. Available for metric and imperial shaft sizes (metric shown), a widely specified and utilised seal type, capable of long service life. Alternative version with longer working length available |
| Type 20 Metric | Parallel Spring Diaphragm Seals | |
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Single spring, rubber diaphragm seal with boot mounted seat as standard. Available for metric and imperial shaft sizes (metric shown), a widely specified and utilised seal type, capable of long service life. Alternative version with longer working length available |
| Type 210
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Parallel Spring Diaphragm Seals | |
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Rubber diaphragm seal with parallel single spring and boot mounted seat as standard. Dimensions to suit UK dimension stuffing boxes, but with reduced rotary outer diameter. |
| Type 211
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Parallel Spring Diaphragm Seals | |
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Rubber diaphragm seal with parallel single spring and boot mounted seat as standard. Dimensions to suit USA dimension stuffing boxes, but with reduced rotary outer diameter. |
| Type 22 | Parallel Spring Diaphragm Seals | |
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Metric and imperial single spring, rubber diaphragm shaft seal (Imperial shown), designed for different sized seat housings and seal working lengths to the Types 10 + 20. Imperial sizes are most commonly found on American equipment. Alternative version with longer working length available. |
| Type 220
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Parallel Spring Diaphragm Seals | |
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Rubber diaphragm seal with parallel single spring and boot mounted seat as standard. Dimensions to suit UK dimension stuffing boxes, but with reduced rotary outer diameter. |
| Type 222
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Parallel Spring Diaphragm Seals | |
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Rubber diaphragm seal with parallel single spring and boot mounted seat as standard. Dimensions to suit USA dimension stuffing boxes, but with reduced rotary outer diameter. |
| Type 24 | Parallel Spring Diaphragm Seals | |
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Compact single spring, rubber diaphragm seal specifically designed to comply with DIN 24960 (EN12756) housings.Shown with boot mounted seat, but is also often specified with a Type 24 'O'-Ring mounted DIN Long or Short seat (Types 24L or 24S respectively) |












