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Welded Metal Bellow Seals

Series MB 00D & DMB 05Dare welded metal bellow seals used in chemical, petrochemical and refinery process pumps for moderate temperature/pressuer application and for process services requiring corrosion resistance.

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Series MB 00D & DMB 05Dare welded metal bellow seals used in chemical, petrochemical and refinery process pumps for moderate temperature/pressuer application and for process services requiring corrosion resistance. These bellow seals are constructed by welding a series of diaphragms together at the edges to form a bellows unit. The bellows unit eliminates the need for springs, dynamic secondary seal and provides flexibility to the seal face in addition to compensating for seal face wear.

Face Materials :
Carbon, Silicon Carbide, Tungsten Carbide

Metal Parts :

    Series DMB 00 : SS 316, SS 304,                          Carpenter 42
    Series DMB 05 : Hastelloy-C

Operating Limits:  
Shaft Diameter d1 20... 100 mm
Pressure p 20 bar (max)
Temperature t -20 ... +200°C
Velocity v 20 m/sec

 

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