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TB687 Metal Bellow Mechanical Seal for John Crane 680

TB687 Metal Bellow Mechanical Seal for John Crane 680

TB687  Metal Bellow Mechanical Seal for John Crane 680
TB687  Metal Bellow Mechanical Seal for John Crane 680TB687  Metal Bellow Mechanical Seal for John Crane 680
CategoriesMetal Bellow Mechanical Seals
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BrandTOPBON
Update Time2019-05-24
Detail Information

Description:

TB687  Mechanical Seal

For big compressors and industrial pumps

Replacing the mechanical seal of John Crane 680

Operational Conditions:

Temperature: -75℃ to +200℃

Pressure: ≤2.0MPa

Speed: ≤23m/s


Materials:

Stationary Ring:TC, Silicon Carbide

Rotary Ring:Carbon ,Silicon Carbide,TC

Secondary Seal:NBR,EPDM,Viton

Bellows:Steel

Spring and Metal Parts:Steel


Applications:

Oil, 

light hydrocarbon, 

aromatic Hydrocarbon, 

organic solvents,

week acids, 

ammonia


Size:




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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