250

High Reliability for General Applications

Chesterton 250 Double Seal is a value leader in its class.  It is the ideal choice to reduce high maintenance costs and prevent wasteful leakage, shaft fretting damage, and inefficient downtime.  Designed for baseline applications and for upgrading packed or component sealed equipment, the 250 seal makes general industrial sealing simple, reliable, and affordable.​

 

Product Features

• Provides sealing security that conventional single seals cannot match
• Reliable cartridge design that increases seal life

Technical Data

Size Range 25 mm to 120 mm (1 inch to 4.75 inch)
Applicable Standards and Approvals ISO-3069-S, ASME B73.1

Materials

Faces CB, SSC
Elastomers FKM, EPDM, FEPM
Springs EN 2.4819 (Alloy C-276)
 

Operating Conditions

Pressure 711mm (28") Hg Vacuum to 20 bar g (300 psig)
Temperature -55 to 300 °C (-67 to 570 °F )
Speed 20 m/s ( 4000 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.

 

Let's talk

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

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