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


EagleBurgmann type M2N series Replacement

Type TG120M mechancal seal range feature a spring loaded solid carbon graphite or silicone carbide seal face. It is conical spring and O-ring pusher construction mechanical seals with economical price. it is widely used in basic applications such as circulating pumps for water and heating system.

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Products Details
  Conical spring, unbalanced,O-ring pusher construction  
  Torque transmission via conical spring,  independent    of direction of rotation.
  Solid carbon graphite or silicone carbide in rotary face
Recommended Applications
  Basic applications such as circulating pumps for water and heating system.
  Circulating pumps and centrifugal pumps
  Other Rotating Equipment.
Operating range

Shaft diameter: d1=10...38mm
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
    Carbon graphite resin impregnated Ak
    Silicon carbide (RBSIC) O 
 Stationary Seat 
    Silicon carbide (RBSIC) O
    Aluminium Oxide Ceramic 
 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:L Right rotation:R
 Metal Parts
    Stainless Steel (SUS304) F
    Stainless Steel (SUS316) G
Stationary Seat

Standard Stationary SeatT3G6

T3G6 equivalent to Burgmann G6

Alternatives Stationary SeatT3G4   T1G60

T3G4 equivalent to Burgmann G4
T1G60 equivalent to Burgmann G60

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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.