Valve Stem Purge System
TapcoEnpro’s Valve Stem Purge System is designed to protect FCCU Slide, Plug, and Butterfly Valves by maintaining clean, cool operating conditions around valve stems. Each refinery has unique purge needs, and proper system selection ensures long-term valve performance and prevents damage from erosion, sticking, or inadequate purging.
Industry Challenges to Solve
Typical Purge System
- Continuous flow of purge media into process environment
- Potential damage to stem, guides and disc if not regulated
- Added expense for constant nitrogen or steam purge
- Routine maintenance issues
Our Solutions
Static Purge System
- No damage to internals from over purging
- Improved reliability with purge used only as back up
- No purge consumption equals lower operating costs
- Reduced maintenance expenses
TapcoEnpro’s state-of-the-art Static Purge packing chamber eliminates the consumption of nitrogen or steam and high repair costs caused by sticking, eroding, or cracking valve stems, and excessive or inadequate purge.
Seating Plate and Disc Damage Due to Excessive Purging
Unlike standard or dual packing chambers commonly found on valves for high-temperature catalyst service, this patented Static Purge stuffing box does not rely on a bearing sleeve, bleeding ring, or constant purge as the primary sources of stem operation.
Connected to a continuous supply of nitrogen or instrument air, the purge medium acts as a back-up to three sets of packing. Because the stored purge is consumed only if the packing wears out, a significant reduction in nitrogen costs is realized.
In addition to our Static Purge stuffing box, we also continue to support and supply our dual stage Dynamic Purge type stuffing boxes which are standard features on most valves.
Nothing makes better sense than to trust your assets to the original inventors of the world’s most respected valve and control system…TapcoEnpro