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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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TG8B


Product variants

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.

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Products Details
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
 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
    Fluorocarbon-Rubber (Viton) V
    Ethylene-Propylene-Diene (EPDM) E
    PTFE Enwrap Viton M1 
 Spring
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
 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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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.