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TG58B-TG59B

TG58B-TG59B

John Crane Type58B Replacement
TG58B Auxiliary seal is rubber 0-ring structure
TG59B Auxiliary seal is PTFE wedge ring structure
Detail Information
Features
 Multiple Spring Design
 Ealanced Seal
 DIN 24960/IS0 3069 Standard
 Equivalent to Type58B
                           Type59B
Recommended Applications
  Chemical industry
  Industry pumps 
  Process Pumps
  Oil refining and petrochemical    industry 
  Other Rotating Equipment
Operating range
Shaft diameter: d1=16...100 mm       
Pressure: p=0...5.2Mpa(754psi)
Temperature: t = -40 °C ..+200 °C(-40°F to 392°F)(58B)
                      t = -29 °C ..+260 °C(-20.2°F to 500°F)(59B)
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 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 
Elastomers 0-ring(TG58B)
    Fluorocarbon Rubber FKM  V
    Etylene Propylene Rubber EPDM  E
    Perfluorocarbon Rubber FFKM  K
PTFE wedge ring (TG59B)
   Pure PTFE  T
 4. Spring 
    GrNiMo-Steel (AlS1316)  G
    Hastelloy C-4  M
 5. Metal Parts
    GrNi-Steel (AlS1304)  F
    GrNiMo-Steel (AlS1316)  G
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