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 to 90 (1 to 3.62 )
Standards and Approvals ISO-3069C, ASME B73.1, ASME B73.2, ACS

Materials

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

Operating Conditions

Pressure Limit Vacuum 711 mm Hg Vacuum ( 28 in Hg vacuum )
Pressure Limit Rotating 300 PSIg ( 20 BARg )
Speed Max 25 m/s ( 5000 fpm )
Speed Min 8 m/s ( 1500 fpm )
Temperature Max 570 °F ( 300 °C )
Temperature Min -67 °F ( -55 °C )
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.
 

Let's talk

For inquires about products, sales, or to request a quote, please contact our Sales Office.

Resources

  Name Download File type
 Industry=|Language=English|LanguageId=en|ProductLine=Rotating|MaterialCategory=|MaterialCode=
KRYTOX Material Safety Data Sheet 20 KB
.pdf