TB491 Mechanical Seal

TB491 Mechanical Seal
TB491 Mechanical SealTB491 Mechanical SealTB491 Mechanical SealTB491 Mechanical SealTB491 Mechanical Seal
CategoriesO-ring Mechanical Seals
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Update Time2019-10-15
Detail Information


TB491 Mechanical Seal

For industrial pumps

Replacing the mechanical seal of Burgmann and John Crane

Operational Conditions:

Temperature:-20℃ to +180℃

Pressure: ≤2.5MPa

Speed: ≤15m/s


Stationary Ring: Silicon Carbide, TC, Carbon

Rotary Ring: TC, Steel

Secondary Seal:NBR,EPDM,Viton

Spring and Metal Parts:Steel 


Clean water,

 sewage water

oil and other moderately corrosive fluids


Product Andvantage Overview:

TOPBON can offer high quality products ata competitive price, thanks to the 10 years of experience. A warehouse of 2,000square meters and 20,000 spare parts ready in stock guarantee a delivery timeof 7 days for standard seals. Moreover, TOPBON can also produce mechanicalseals according to customers’ requests. During the years, TOPBON has producedmore than 100 types of non-standard mechanical seals. 

4 Quality standards of TOPBON Mechanical Seal :

1) Rubber: the surface should be smoothly, neat, rift, bubble and so on .

2) Metal parts : without burr, drape, rust, seal parts without longitudinal patterning.

3) Seal ring : seal ring face’s flatness 0.0006MM , seal ring ‘s surface roughness 0.1μm, seal ring  face without crack, scratch,pore and so on.

4) Spring: the surface should be smoothly, without crack, burr .

Packing & Shipping

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