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Metal Bellow Seals

TYPE SMB9 Metal Bellows Seals For High Temperature Application

Item No.: SMB9
Design Features
> High Temp. Series
> Edge-welded Metal Bellows
> Elastomer-free Design
> Standard Components
> Available in Single or Dual Arrangements
> Available with a Secondary Containment Seal
INQUIRY
Description
The Type SMB9 incorporates all of the rugged features of the Type SMB4, but is intended for those demanding applications where a dependable, high-strength, rotating seal is preferred. A narrow cross-section design enables the Type SMB9 to fit in the most popular pumps without expensive and time-consuming seal chamber modifications. This makes it the ideal seal for heat transfer,hydrocarbon, and other applications that commonly use pumps with limited seal chamber clearances.
Operation Limits Combination of Materials
Pressure: Seal Face:
Vacuum to 20 bar / 300 psi Carbon, Silicon Carbide, Tungsten Carbide
Vacuum to 69 bar / 1000 psi (DOUBLE-PLY) Metal Bellows:
Temperature:  17-4PH, AM350, INCONEL 718
- 75℃ ~ 425 ℃ Secondary Seal:
(with flexible graphite static packing) Graphite
Linear Speed: Metal Component:
25 m/s SS316, SS304

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