Choose from Our Range of Products

Choose from Our Range of Products

TG502B

John Crane Type502 Replacement

Mechanical Seal Type TG502B is one of the best performing bellows seal,it is ideal for use in hot water pumps, industrial pumps and petroleum chemical industry
Features
With  full enclosed  elastomer bellows design
Insensitive to shaft play and run out
Bellows should not twist due to bi-directional and robust drive
Single seal and single spring 
Conform with DIN24960 standard
Operating range
Shaft diameter: d1=14...100 mm 
Pressure:  p=0...2.8Mpa(406psi)
Temperature:  t = -40 °C ...200 °C(-40°F to 392°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
Reaction Bonded Silicon carbide (RBSIC) O
Sintered Silicone Carbide (SSIC) O1
Hot-Pressing Carbon Ac
Tungsten carbide W1
2.Stationary Seat
Aluminium oxide(Ceramic) B
Silicon carbide (RBSIC) O
Sintered Silicone Carbide (SSIC) O1
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
Stainless Steel (SUS316) G
5.Metal Parts
Stainless Steel (SUS304) F
Stainless Steel (SUS316) G

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