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

TG120 is conical spring and O-ring pusher construction mechanical seals.PTFE V-Ring pusher construction is available in the type.Due to extend combination material options designed,it can be used in both gerenal media and corrosive liquid condition

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Products Details

  Conical spring,unbalanced,O-ring pusher construction
  Torque transmission via conical spring, independent of direction of rotation

  Wide option in seal face material

  Spring with deep coils to reduce the risk of clogging in solids content or viscous liquids

  Dimensional data conform with DIN24960 standard

Recommended Applications
  Paper and sugar industry,Food Processing,waste  water technology
  Low solids content or viscous media
  Sewage pumps, chemical pumps, screw pumps, process pumps
  Other Rotating Equipment.
Operating range

Shaft diameter: d1=12...80mm
Pressure: p=0...1.0Mpa(145psi)
Temperature: t = -20 °C ...180 °C(-4°F to 356°F)
Sliding velocity: Vg≤15m/s(49.2ft/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
     Cr-Ni-Mo Sreel (SUS316) G
     Surface hardfacingtungsten carbide I
 Stationary Seat 
     Carbon graphite resin impregnated Ak
     Silicon carbide (RBSIC) O
     Tungsten carbide W1
 Auxiliary Seal
     Nitrile-Butadiene-Rubber (NBR) P
     Fluorocarbon-Rubber (Viton) V
     Ethylene-Propylene-Diene (EPDM) E
     Stainless Steel (SUS304) F
     Stainless Steel (SUS316) G
     Left rotation: Right rotation: R
 Metal Parts
     Stainless Steel (SUS304) F
     Stainless Steel (SUS316) G
Stationary Seat

Standard Seat: T5A

Alternatives Seat:T4A  

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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.