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 mechanical seals PTFE V-Ring pusher mechanical seals

Type TGJB104 mechanical seals with O-Ring pusher construction and also available in PTFE V-Ring pusher construction. It has a wide range of combination material options can be used in general applications and corrosive fluid appliactions

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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 .
  Single seal, unbalanced.
  Dimensional data conform with ISO3069 standard.
Recommended Applications
  Petrochemical industry and sewage treatment industry
  Sewage pumps, chemical pumps, screw pumps 
  Other Rotating Equipment.
Operating range

Shaft diameter: d1=16...120mm
Pressure: p=0...0.8Mpa(116psi)
Temperature: t = -20 °C ...80 °C(-4°F to 176°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
    PTFE T
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
 Metal Parts
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
Stationary Seat

Standard Seat:  T4D

Alternatives Seat: T5D

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.