Metal bellow seal 338


Chemical and petrochemical Food processing industry Metallurgy Petrochemicals transport Power engineering, NPP Pulp and paper industry

For pumps:

Cartridge seal designed for high temperature service conditions
  • Single seal
  • Balanced
  • Rotating bellow unit
  • Metal welded bellow
  • Independent on direction of rotation
  • Secondary seal - elastomer or flexible graphite

Sealing fluids

  • High temperature media
  • High vicious media

Performance parameters

  • Pressure 20-25 kgf/cm2
  • Temperature: from –75° upto +420°С
  • Shaft diameter: 20-150 mm
Cost Effective Solutions

Material design

  • Metal parts: Stainless steel К, Е
  • Secondary seal: Elastomer based on different rubber compounds, flexible graphite
  • Seal faces material: Carbon graphite impregnated, silicon carbide, tungsten carbide
Cost Effective Solutions

Heat exchanger design specific features

  • For plain shafts
  • Resistant to accumulation of abrasives on the shaft
  • Uniform load on seal faces interface
  • Set screws allow easy seal installation and convenient adjustment of installation dimension

What one needs to know when choosing a mechanical seal?

Equipment characteristics

Shaft diameter, temperature, pressure and fluid type are the main parameters when choosing a seal, but there are many other factors

Choice of a manufacturer is important

Lots of products that do not meet the required quality are being produced at the market now.

Service life extension

Operating time of component part is several times longer if the mechanical seal is selected correctly

Filling in an order form usually takes about