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 EA100 Replacement

Common mechanical seals Type TG156 is designed for the low duty applications, with easy installation and good perfirmance features. It is widely used in the water and waste water technology, circulation pumps, low duty water pumps and heating systems

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Products Details
  The secondary seal with incorporated garter spring in order to maintain axial flexibility and enhance sealing performance
  Availiable in 3 types, each with a different impeller connection,easy installation and replacement
  Single-spring, single seal
Recommended Applications
  Drinking water pumps
  Hot water circulation pumps
  Low duty water pumps
  Heating systems
  Other Rotating Equipment
Operating range

Shaft diameter: d1=8...16 mm 
Pressure: p=0...0.4Mpa(58psi)
Temperature: t = -20 °C ...150 °C(-4°F to 302°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     
    Carbon graphite resin impregnated Ak
    Hot-pressing carbon A
    Silicon carbide (RBSIC) O
 Stationary Seat  
    Aluminium oxide B
    Silicon carbide (RBSIC) O
 Auxiliary Seal  
    Nitrile-Butadiene-Rubber (NBR) P
    Fluorocarbon-Rubber (Viton) V
    Ethylene-Propylene-Diene (EPDM) E
    Stainless Steel (SUS304) F

    Stainless Steel (SUS316) G
 Metal Parts
    Stainless Steel (SUS304) F

    Stainless Steel (SUS316) G
Stationary Seat

 TG156 standard seat

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.