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


O-ring pusher construction

Multiple spring and O-ring pusher mechanical seals TG102, with extend combination material options,frequently used in sewage treatment,low corrosive media such as oil and chemical instrudy

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Products Details
  O-Ring pusher construction, available in PTFE V-Ring pusher construction
  Transmission by Pin and groove,independent of direction of rotation .
  Multiple spring, single seal, unbalanced construction
Recommended Applications
  Petrochemical industry and sewage treatment industry
  Sewage pumps and industrial pumps
  Other Rotating Equipment.
Operating range

Shaft diameter: d1=25...85mm
Pressure: p=0...1.2Mpa(174psi)
Temperature: t = -30 °C ...180 °C(-22°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 W1
 Stationary Seat
    Silicon carbide (RBSIC) O
    Carbon graphite resin impregnated Ak
    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: T5A


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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.