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Choose from Our Range of Products

TG560B

John Crane Type 21 Replacement

TG560B model is designed for mass production. Each parts structure has a high degree of interchangeability and a highly versatile seal.It can automatic adjustment compensates for abnormal shaft-end play, run-out, primary ring wear and equipment tolerances, due to elastomer diaphragm has excellent stretching and twisting capabilities.
Widely used in centrifugal pumps, rotary pumps, turbines, compressors, coolers and other rotating shaft equipment.
Features
  Single and ealstomer bellows mechanical seal
  Bi-directional
  Non-sliding design structure,elastomer bellows automatically compensates for primary ring wear.
  TG560B,TG560K,TG560C,TG560A show difference in the  dimensional data, avaliable with different standard working lengths.
  Vailable in metric and inch sizes
  TG560B  can also be used as double face mechanical seals in two sets arrangement
Operating range
Shaft diameter: d1=8...80mm(0.375'' ...3.000'')
Pressure: p=0...1.0Mpa(145psi)
Temperature: t = -20 °C ...150 °C(-4°F to 302°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
    Tungsten carbide W1
 2. Stationary Seat 
    Aluminium oxide(Ceramic) B
    Silicon carbide (RBSIC) O
    Tungsten carbide W1
 3. Auxiliary Seal 
    Nitrile-Butadiene-Rubber (NBR) P
    Fluorocarbon-Rubber (FKM) V
    Ethylene-Propylene-Diene (EPDM) E
 4. Spring 
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
 5. Metal Parts
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G

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