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O-ring Pusher seals use a sliding secondary seal and in this design the O-ring is pushed along the outside diameter of the equipment shaft or sleeve. The O-ring retains the sealed liquid and follows along the shaft to compensate for face wear.
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TG59B


Product variants

TG59B

John Crane Type59B Replacement

Mechanical seal Type TG59B with PTFE wedge,Mutil-Spring, balanced construction. It is suitable for use with corrosive fluid media, such as typically corrosives, and chemicals.

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Products Details
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 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
Pressure: p=0...5.2Mpa（754psi）
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
 Rotary Face 
    Silicon carbide (RBSIC) O
    Tungsten carbide W1
    Carbon graphite resin impregnated Ak
 Stationary Seat 
    99% Aluminium Oxide B1
    Silicon carbide (RBSIC) O
    Tungsten carbide W1
 Elastomer 
    Pure PTFE(PTFE) T
 Spring 
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
 Metal Parts
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
Stationary Seat


Standard Stationary Seat: T7BP

T7BP equivalent to John Crane BP



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WenZhou TianGu Seal Co., Ltd was founded in 1982, is located in Wenzhou City, Zhejiang Province Economic and Technological Development Zone, China Hydraulics Pneumatics & Seals Industry Association, in the mechanical seal product design, manufacturing and sales of businesses.