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TG58U-TG59U

TG58U-TG59U

John Crane Type58U/59U Replacement
TG58U Auxiliary seal is rubber 0-ring structure
TG59U Auxiliary seal is PTFE wedge ring structure
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  AK
     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
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