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
1. Rotary Face
Carbon graphite resin impregnated Ak
Silicon carbide (RBSIC) O
2. Stationary Seat
Aluminium oxide(Ceramic) B
Silicon carbide (RBSIC) O
Tungsten carbide W1
3. Auxiliary Seal
Nitrile-Butadiene-Rubber (NBR) P
Fluorocarbon-Rubber (Viton) V
Ethylene-Propylene-Diene (EPDM) E
4. Spring
Stainless Steel (SUS304) F
5. Metal Parts
Stainless Steel (SUS304) F
Stationary Seat
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Standard Stationary Seat: T1NG,T1N
T1NG equivalent to John Crane NG
T1N equivalent to John Crane N
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Alternatives Stationary Seat: T6WG,T6W
T6WG equivalent to John Crane WG
T6W equivalent to John Crane W
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