Products

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.

TG804


Product variants

TG804

EagleBurgmann type M74-D series replcement

Dual mechanical seal type TG804 with reliable performance and wide range of seals working pressure. it is frequently used in chemical industry, paper industry and other rotating equipment.

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Products Details
Features

  Multiple spring, dual seal, O-ring pusher seal, Easily interchangeable

  Transmission by Pin and groove, independent of direction of rotation

  Solid seal faces material are easily interchangeable. Good heat dissipation

  Same features as TNG type TG71U

Recommended Applications
  Low solids content or viscous media, abrasive media

  Toxic and hazardous media

  Other Rotating Equipment

Operating range

Shaft diameter:  d1=20...80
Pressure: p=0...0.5Mpa(72.5psi)
Temperature:   t = -20 °C ...180 °C(-4°F to 356°F)
Sliding velocity:  Vg≤10m/s(32.8ft/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 W
 Stationary Seat 
    Carbon graphite resin impregnated Ak
    Silicon carbide (RBSIC) O
    Tungsten carbide W
 Auxiliary Seal
    Nitrile-Butadiene-Rubber (NBR) P
    Fluorocarbon-Rubber (Viton) V
 Spring
    Stainless Steel (SUS304) F
 Metal Parts
    Stainless Steel (SUS304) F
Stationary Seat



Standard Seat: T7G9

T7G9 equivalent to Burgmann G9 







Alternatives Seat: T5G9  T4G9

T4G9 equivalent to Burgmann G9



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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.