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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.
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TG128


Product variants

TG128

O-Ring pusher mechanical seals PTFE V-Ring pusher mechanical seals

Type TG128 mechanical seals with O-Ring pusher construction and also available in PTFE V-Ring pusher construction . A wide range of combination material options can be used in general applications and corrosive fluid appliactions

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Products Details
Features
  O-Ring pusher construction，available in PTFE V-Ring pusher construction
  Independent of direction of rotation
  Extend seal face material options 
  Low risk of clogging in solids content or viscous liquids
Recommended Applications
  Petrochemical industry and sewage treatment industry
  Low solids content or viscous media
  Sewage pumps, chemical pumps, screw pumps 
  Other Rotating Equipment.
Operating range

Shaft diameter: d1=18...80mm
Pressure: p=0...0.8Mpa（116psi）
Temperature: t = -20 °C ...200 °C(-4°F to 392°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
    Nitrile-Butadiene-Rubber (NBR) P
    PTFE T
 Spring 
    Stainless Steel (SUS304) F
    Stainless Steel （SUS316) G
 Metal Parts
    Stainless Steel (SUS304) F
    Stainless Steel （SUS316) G
Stationary Seat


Standard Seat: T5S43






Alternatives Seat: T4S43   T1A




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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.