This seal can replace Chesterton S20, Simplify seal maintenance and increase equipment reliability with Chesterton’s S20 Cassette Seal. Featuring a Self Centering Lock Ring and Self Releasing Setting Clips, the S20 enables quick, easy and accurate installation. Sealing security is ensured by the tandem configuration allowing operation with elevated barrier system pressures and preventing process leakage to the atmosphere.
Product Features
- Tandem design for full pressure backup capability
- Quick to repair with innovative cassette feature
Technical Data
Size Range: 25mm to 120mm(1.000 inch to 4.750 inch)
Materials：
Face: CAB, TC, SSC
Elastomers: FKM, EPDM, FEPM, FFKM.
Metals: EN 1.4401 (316SS), Other Metallurgies available on request.
Spring: EN 2.4819 (Alloy C-276)
Operating Conditions
Temperature: -55 to 300 °C (-67 to 570 °F)
Speed:25 m/s ( 5000 fpm )