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Standard cartridge seals
USP
d = 24 ... 125 mm
p < 2,0 MPa ; t < 120 °C ; v < 12,5 m/s
Features
Double seal, compact (cartridge) design, balanced, independent from the direction of rotation, multi-spring.
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Installation example
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Applications
The USP is a mechanical seal used for viscid media containing abrasive particles.
The USP seal requires the following liquid installations:
- buffer liquid (API Plan 52 ) or
- barrier liquid (API Plan 53), note: max. pressure of barrier liquid: 1.6 MPa, max. overpressure: 0.6 MPa.
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