4400

Double Concentric Gas Seal

Advanced technology made simple in a gas seal design. The 4400 is a seal for all purposes and provides for an easy gas seal upgrade option. It is an ideal choice for upgrading under-performing, liquid lubricated seals to high performance, non-contacting operation.

 

Product Features

  • Offers low cost-of- ownership for a broad range of applications
  • Advanced technology that is easy to install and operate
  • Exclusive In-Gland Control System eliminates the need and expense of an external gas panel
  • Eliminates atmospheric emissions

Technical Data

Size Range 25 mm to 90 mm (1.000 inch to 3.625 inch)
Applicable Standards and Approvals ISO-3069C, ASME B73.1, ASME B73.2
Variants 4410 - Slow Speed Mixer Design

Materials

Faces CB, SSC
Elastomers FKM, EPDM, FEPM, FFKM
Metals EN 1.4401 (316SS), Other Metallurgies available on request
Springs EN 2.4819 (Alloy C-276)

Operating Conditions

Temperature -55 to 300 °C (-67 to 570 °F)
Speed 25 m/s ( 5000 fpm )
Speed Min 8 m/s ( 1500 fpm )
Notes Seal pressure capabilities are dependent on the fluid sealed, temperature, speed, and seal face combinations. For operation outside the limits and additional materials consult Chesterton Mechanical Seal Engineering.
 

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