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TG58UD-TG59UD

TG58UD-TG59UD

John Crane Type58UD/59UD Replacement
TG58UD Auxiliary seal is rubber 0-ring structure
TG59UD Auxiliary seal is PTFE wedge ring structure
Detail Information
Features
Double seal
Unbalanced
Bi-directional
Multiple springs
PTFE wedge ring
DIN 24960 Standard
Recommended Applications
  Chemical industry
  Industry pumps 
  Process Pumps
  Oil refining and petrochemical    industry 
  Other Rotating Equipment
Operating range
Shaft diameter: d1=30...100 mm       
Pressure: p=0...0.5Mpa(72.5psi)
Temperature: t = -29 °C ..+260 °C(-20.2°F to 500°F)
Sliding velocity: Vg≤25m/s(82ft/s)
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 RBSIC  O
     Sintered Silicon Carbide SSlC  O1
     Tungsten Carbide.Ni-binder  W
 2. Stationary Seat 
     Reaction Bonded Sic RBSIC  O
     Sintered Silicon Carbide SSlC  O1
     Tungsten Carbide.Ni-binder  W
 3. Auxiliary Seal 
     PTFE wedge ring      0-ring
     Pure PTFE  T             FKM  V
                                      EPDM  E
                                      FFKM  K
 4. Spring 
     GrNi-Steel (AlS1304)  F
     GrNiMo-Steel (AlS1316)  G
     Hastelloy C-4  M
 5. Metal Parts
     GrNi-Steel (AlS1304)  F
     GrNiMo-Steel (AlS1316)  G
     Hastelloy C-4  M
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