Products

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

TG31


Product variants

TG31

Pac-seal Type 21 /31 Replacement

Universal elastomer bellows mechanical seals Type TG31 series can be used in wide range of operating conditions such as slurry, Oil, corrosive chemicals applications. It is frequently used by Sewage pumps,Coolant Pumps,Drainage Pumps and Food processing industries.

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Products Details
Features
  Unique design in the hexagonal torque drive   eliminates stresses on the elastomer bellows
  Flexibility design in the elastomer bellows can reduce shaft play and run out
  Single seal、unbalanced、single spring
  Good interchange ability, TG31U Dimensional data conform with US standard,TG31K conform   with UK standard
  Available in metric and inch sizes
  TG31 series can also be used as double face mechanical seals in two sets arrangement
Recommended Applications
  Water and waste water technology
  Drainage Pumps
  Coolant Pumps
  Process pumps
  Other Rotating Equipment
Operating range

Shaft diameter: d1=10...75mm(0.375'' ...3.000'')
Pressure: p=0...1.5Mpa(217.5psi)
Temperature: t = -20 °C ...150 °C(-4°F to 302°F)

Sliding velocity:   Vg≤13m/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 
    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
 Spring
    Stainless Steel (SUS304) F
 Metal Parts
    Stainless Steel (SUS304) F
Stationary Seat


Standard Stationary Seat:T1NG,T1N

T1NG equivalent to John Crane NG

T1N equivalent to John Crane N




Alternatives Stationary Seat:T6WG,T6W

T6WG equivalent to John Crane WG

T6W equivalent to John Crane W



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.