Overview
The SEPCO SS-452 soot blower packing with SS557 end rings is a high-temperature sealing assembly designed for rotary and retractable soot blowers in boiler and heat exchanger applications. SEPCO SS-452 combines proprietary carbon/graphite packing material with stainless steel end rings to deliver reliable sealing and long service life in extreme thermal environments.
Key Features
- Die-formed carbon/graphite packing rings with continuous filament construction
- Proprietary blocking agent for all blower types and applications
- SS557 stainless steel end rings for corrosion resistance
- 1-7/8″ packing size for mid-range lance diameters
- Minimal leakage and long packing life under sustained steam exposure
Technical Specifications
- Material: Carbon/graphite with continuous filament (SS-452 grade)
- End Rings: SS557 stainless steel
- Packing Size: 1-7/8″ (nominal)
- Maximum Temperature: 1,250°F in steam service
- Application Type: Soot blower lance packing
- Configuration: Die-formed ring set
Typical Applications
- Rotary soot blowers on utility and industrial boilers
- Retractable lance soot blowers in heat recovery units
- Combustion gas-side equipment in power plants and refineries
- High-temperature steam piping and equipment sealing
- Boiler tube bank cleaning and ash removal systems
Compatibility & Replacements
Compatible With
- Boiler soot blower assemblies requiring 1-7/8″ packing diameter
- Retractable lance systems rated to 1,250°F
- Rotary soot blowers with SS557 end ring mounting
- Industrial steam applications and heat exchangers
- Standard boiler tube bank equipment
Replaces / Drop-In Replacement For
- Original equipment SEPCO SS-452 packing assemblies
- Verify specific lance OD and end ring compatibility with your system integrator before ordering
Works With
- Standard boiler water-level control and soot-blowing logic
- Compressed air or steam-driven soot blower actuators
- PLC-controlled automatic boiler blowing sequences
- Manual rotary soot blower systems





