Ningbo Topbon Mechanical Seals Factory

TB688 Metal Bellow Mechanical Seal for John Crane 609

Group	Metal Bellow Mechanical Seals
Min. Order	1 piece
Terms of Payment	all
Update Time	2019-03-25

Description
Product review

Description:

TB688 Mechanical Seal

For big compressors and industrial pumps

Replacing the mechanical seal of John Crane 609

Operational Conditions:

Temperature: -75℃ to +400℃

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:

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