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TG58U-TG59U

John Crane Type58U/59U Replacement

TG58U Auxiliary seal is rubber 0-ring structure TG59U Auxiliary seal is PTFE wedge ring structure

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Detail Information

Features

Multiple Spring Design

Unbalanced Seal

DIN 24960/IS0 3069 Standard

Equivalent to Type58U

Type59U

Recommended Applications

Chemical industry

Industry pumps

Process Pumps

Oil refining and petrochemical industry

Other Rotating Equipment

Operating range

Shaft diameter: d1=14...100 mm

Pressure: p=0...1.7Mpa（246.5psi）

Temperature: t = -40 °C ..+200 °C(-40°F to 392°F)(58U)

t = -29 °C ..+260 °C(-20.2°F to 500°F)(59U)

Sliding velocity: Vg≤25m/s（82ft/s）(5000 fpm)

Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials

Product Structure

Combination Materials

1. Rotary Face

Carbon graphite, resin impreg A_K

Reaction Bonded Sic RBSlC O

Sintered Silicon Carbide SSlC O₁

Tungsten Carbide.Ni-binder W

2. Stationary Seat

Reaction Bonded Sic RBSlC O

Sintered Silicon Carbide SSlC O₁

Tungsten Carbide.Ni-binder W

3. Auxiliary Seal

Elastomers 0-ring(TG58U)

Fluorocarbon Rubber FKME V

Etylene Propylene Rubber EPDM E

Perfluorocarbon Rubber FFKM K

PTFE wedge ring (TG59U)

Pure PTFE T

4. Spring

GrNiMo-Steel (AlS1316) G

Hastelloy C-4 M

5. Metal Parts

GrNi-Steel (AIS1304) F

GrNiMo-Steel (AlS1316) G

Mechanical Seals

Pump Seals

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