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


Pac-Seal Type 16 Replacement

Type TG16 series is whole structure of elastomer bellows mechanical seals, which provides easy installation. Reliable transmission due to special design in the hex-torque drive. It is frequently used by Small power circulating pump, centrifugal water pumps and swimming pools pumps. Type TG16 is widely used in the low-pressure industry, commerical and household equipment insudtry.

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Products Details
  Unique design in the hexagonal torque drive   eliminates stresses on the elastomer bellows
  Adjusting the torque distribution can reduce stress in the primary seal  
  Innovative bellows design is pressure-supported and will not crease or fold under high pressure
Recommended Applications
  Process pumps
  Centrifugal water pumps
  Swimming pools pumps
  Other Rotating Equipment
Operating range

Shaft diameter: d1=0.375'' ...1.000''
Pressure: p=0...1.0Mpa(145psi)
Temperature: t = -30 °C ...180 °C(-22°F to 356°F)
Sliding velocity:    Vg≤10m/s(42.6ft/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
 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:T1NG
T1NG equivalent to John  John Crane NG

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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.