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


Elastomer Bellows Mechanical Seal

Type TG108 Mechanical seal is the ideal for general-purpose applications,designed for large batch production.Efficient stock keeping due to easily interchangeable parts.Mechanical seal TG108 widely used in the Centrifugal pumps, turbine pumps, compressors, hot water pumps and other rotary shaft equipment.

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Products Details

  Non-sliding design structure,elastomer bellows automatically compensates for primary ring wear

  Reliable transmission due to special design in the drive band and drive notches


  Single Spring and face mechanical seal

Recommended Applications
  Process pumps
  Centrifugal water pumps
  Swimming pools pumps
  Other Rotating Equipment
Operating range

Shaft diameter: d1=8.....55mm
Pressure: p=0...0.6Mpa(87 psi)
Temperature: t = -20 °C ..+150 °C(-4°F to 302°F)
Sliding velocity: Vg≤8m/s(26.20ft/m)


Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials

Product Structure
Combination Materials
 Rotary Face
    Aluminium oxide B
    Hot-pressing carbon Ac
    Silicon carbide (RBSIC) O
    Tungsten carbide W1
 Stationary Seat 
    Aluminium oxide 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
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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.