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.


Product variants


EagleBurgmann HJ92N series Replacement

TG 90B is balanced, wave spring mechanical seal,with spring-protection design, non-clogging. mechanical seal for TG90B series are deigned for media containing solid or with high viscosity. it is widely used in paper,textile printing, sugar and and sewage treatment industry

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Products Details
  Wave spring、balanced、O-ring pusher construction.
  Transmission by Pin and groove,independent of direction of rotation .
  Spring-protection design.
  Low risk of clogging in solids content or viscous liquids
Recommended Applications
  Paper and sugar industry, sewage treatment industry
  solids content or viscous media
  Sludge pumps, multistage pumps
  Other Rotating Equipment.
Operating range

Shaft diameter:  d1=16...100mm
Pressure:  p=0...1.6Mpa(232psi)
Temperature:  t = -20 °C ...200 °C(-4°F to 392°F)
Sliding velocity:     Vg≤20m/s(65.6ft/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
     Carbon graphite resin impregnated  Ak
     Antimony Impregnated Carbon  Ad
 Stationary Seat 
     Silicon carbide (RBSIC)  O
     Tungsten carbide  W1
 Auxiliary Seal 
     Fluorocarbon-Rubber (Viton)  V

     Ethylene-Propylene-Diene (EPDM)  E
     Stainless Steel (SUS304)  F
     Stainless Steel (SUS316)  G
 Metal Parts
     Stainless Steel (SUS304)  F
     Stainless Steel (SUS316)  G

Stationary Seat

Standard Stationary Seat T7G16

T7G16 equivalent to Burgmann G16

Alternatives Stationary Seat:T5G46

T5G46 equivalent to Burgmann G46

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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.