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TG502B

TG502B

John Crane Type502 Replacement

Mechanical Seal Type TG502B is one of the best performing bellows seal,it is ideal for use in hot water pumps, industrial pumps and petroleum chemical industry
Detail Information
Features
  With  full enclosed  elastomer bellows design
  Insensitive to shaft play and run out
  Bellows should not twist due to bi-directional and robust drive
  Single seal and single spring 
  Conform with DIN24960 standard
Recommended Applications
  Petroleum chemical industry
  Industrial pumps
  Industrial pumps
  Process pumps 
  Other Rotating Equipment
Operating range
Shaft diameter: d1=14...100 mm 
Pressure:  p=0...2.8Mpa(406psi)
Temperature:  t = -40 °C ...200 °C(-40°F to 392°F)
Sliding velocity: Vg≤13m/s(42.6ft/m)
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 impregnated Ak
Silicon carbide (RBSIC) O
Hot-Pressing Carbon Ac
2.Stationary Seat
Aluminium oxide(Ceramic) B
Silicon carbide (RBSIC) O
Tungsten carbide W1
3.Auxiliary Seal
Nitrile-Butadiene-Rubber (NBR) P
Fluorocarbon-Rubber (Viton) V
Ethylene-Propylene-Diene (EPDM) E
4.Spring
Stainless Steel (SUS304) F
5.Metal Parts
Stainless Steel (SUS304) F
Stationary Seat
Standard Stationary Seat:T3BO
T3BO equivalent to John Crane BO
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