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


Flowserve type RO series replacement

TG960 is multiple spring and O-ring pusher mechanical seals,PTFE V-Ring pusher construction is available in the type. With extend combination material options,widely used in paper, textile printing, Chemical and sewage treatment industry.

Share to:
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
  Textile printing, petrochemical industry and sewage treatment industry
  Printing and dyeing pumps, Sewage pumps and industrial pumps
  Other Rotating Equipment.
Operating range

Shaft diameter: d1=20...100mm
Pressure: p=0...1.2Mpa(174psi)
Temperature:  t = -20 °C ...200 °C(-4°F to 392°F)
Sliding velocity: Vg≤25m/s(82ft/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
 Stationary Seat
    Silicon carbide (RBSIC) O
    Carbon graphite resin impregnated A
 Auxiliary Seal 
    Fluorocarbon-Rubber (Viton) V
    Ethylene-Propylene-Diene (EPDM) E
    PTFE Coated VITON M1
    PTFE T
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
 Metal Parts
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
Stationary Seat

 Alternatives Stationary Seat:T4LA

Standard Stationary Seat:T30LE

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.