Elastomer bellows mechanical seal is indentified by the use of an elastomer bellows or diaphragm for the secondary sealing member. Elatomer bellows seal units require a positive abutment at the back of the bellows or spring, positioned so as to give the correct seal working length


Product variants


EagleBurgmann Type MG1 Replacement

TG109 series is the most common rubber bellows mechanical seals allow for fast and easy installation. it is also be used as multiple seal in tandem mechanical seals in two sets arrangement. Mechanical Seal Type TG109 is widely used in Chemical standard pumps, screw pumps, slurry pumps and Petroleum chemical industry

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Products Details
  Compact design in the rubber
  Insensitive to shaft play and run out
  Bellows should not twist due to spring drive
  Single seal, unbalanced, single spring
  Conform with DIN24960 EN12756 standard
Recommended Applications
  Water and waste water technology
  Petroleum chemical industry
  Industrial pumps
  Slurry pumps
  Process pumps
  Other Rotating Equipment
Operating range

Shaft diameter: d1=8...100 mm
Pressure: p=-0.1...1.6Mpa(-14.5psi....232psi)
Temperature: t = -20 °C ..+140 °C(-4°F to 284°F)
Sliding velocity:  Vg≤10m/s(32.80ft/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
    Hot-Pressing carbon Ac 
    Silicon carbide (RBSIC) O
 Stationary Seat 
    Aluminium oxide(Ceramic) B
    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

 Metal Parts
    Stainless Steel (SUS304) F

Stationary Seat

Standard Stationary Seat: T1G60 

T1G60 equivalent to Burgmann G60 Seat

Alternatives Stationary Seat:T3G6   T3G4  T1G50

T3G6 equivalent to Burgmann G6 Seat

T3G4 equivalent to Burgmann G4 Seat

T1G50 equivalent toBurgmann G50 Seat

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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.