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TG8B

TG8B

John Crane Type8B-1 Replacement
Mutil-Spring, and
O-ring pusher mechanical seal Type TG8B with
balanced construction,
including anti-xetrusion ring, permits use in
higher pressures.
Used in the different media conditions due
toextend material
options . It is widely used in the general
industrial
applications.
Detail Information
Features
  Mutil-Spring、Unbalanced 、,O-ring pusher 
  Rotary seat with a snap ring holds all parts together in a unitised design which eases installation and removal
  Torque transmission by set screws.
  Conform with  EN12756 standard
Recommended Applications
  Chemical industry
  Industry pumps 
  Process Pumps
  Oil refining and petrochemical industry 
  Other Rotating Equipment
Operating range
Shaft diameter: d1=18...100mm(0.750''...4.000'') 
Pressure: p=0..5.8Mpa(841psi)
Temperature: t = -40 °C ..+200 °C(-40°F to 392°F)
Sliding velocity: Vg≤25m/s(82ft/m)
Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials

Product Structure
Combination Materials
 1. Rotary Face 
    Silicon carbide (RBSIC) O
    Tungsten carbide W1
    Carbon graphite resin impregnated Ak
 2. Stationary Seat 
    99% Aluminium Oxide B1
    Silicon carbide (RBSIC) O
    Tungsten carbide W1 
 3. Auxiliary Seal 
    Fluorocarbon-Rubber (Viton) V
    Ethylene-Propylene-Diene (EPDM) E
    PTFE Enwrap Viton M1 
 4. Spring 
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
 5. Metal Parts
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
Stationary Seat
Standard Stationary Seat:  T6WG 
T6WG equivalent to John Crane WG  
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