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TG58U

TG58U

John Crane Type58U Replacement
PTFE wedge,Mutil-Spring
construction mechanical seals Type
TG59U can be
adapted wide range of liquids and operating
conditions due to
extend material options. Type 59U is suitable
for use with
corrosive fluid media, such as typically
corrosives, and
chemicals.
Detail Information
Features
  Mutil-Spring, Unbalanced, PTFE wedge construction.
  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  DIN24960 standard
Recommended Applications
  Chemical industry
  Industry pumps 
  Process Pumps
  Oil refining and petrochemical    industry 
  Other Rotating Equipment
Operating range
Shaft diameter: d1=18...100 mm 
Pressure: p=0...1.7Mpa(246.5psi)
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 
    Pure PTFE(PTFE) T
 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:  T7BP
T7BP equivalent to ohn Crane BP
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