225
- Tandem Double Cartridge Seal
A versatile, proven performer providing reliable double sealing capability in a wide variety of industrial processes.
A high performance, tandem arrangement used primarily in refining and chemical applications. This seal is ideal for non-lubricating fluids-light hydrocarbon services requiring low heat generation. It is designed with simplicity in mind, so seal repair is easy and economical.
This simple tandem orientation provides higher pressure capabilities in light hydrocarbon refining applications. The outboard seal face serves as a high efficiency pumping ring and provides maximum cooling capability in the most demanding services.
Product Features
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- Tandem configuration for high pressures
- Low heat generation monolithic seal faces
- Bidirectional barrier fluid ports to accomodate double ended pumps
Technical Data
| Size Range | 25 mm to 120 mm (1.000 inch to 4.750 inch) |
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| Applicable Standards and Approvals | ISO-3069C, ASME B73.1, ASME B73.2 |
Materials
| Faces | CB, TC, SSC |
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| Elastomers | FKM, EPDM, FEPM, FFKM |
| Metals | EN 1.4401 (316SS), Other Metallurgies available on request |
| Springs | EN 2.4819 (Alloy C-276) |
Operating Conditions
| Pressure | 711 mm (28") Hg Vacuum to 40 bar g (600 psig) |
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| Temperature | -55 to 300 °C (-67 to 570 °F) |
| Speed | 25 m/s ( 5000 fpm ) |
| Notes | Seal pressure capabilities are dependent on the fluid sealed, temperature, speed, and seal face combinations. For operation outside the limits and additional materials consult Chesterton Mechanical Seal Engineering. |
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Resources
| Name | Download | File type | |
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Installation Instructions: 225 (English) | 772 KB | |
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Installation Instructions: 225 (Espanol) | 591 KB | |
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Installation Intructions: 225 (Francais) | 592 KB |
| Name | Download | File type | |
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Technical Material Reference (English) | 405 KB |