CPVC Pall Ring Product Description

The CPVC Pall Ring is a specialized random packing injection-molded from chlorinated polyvinyl chloride (CPVC). By introducing additional chlorine into the PVC molecular chain, CPVC achieves a higher heat distortion temperature (up to 95°C) and improved chemical resistance compared to standard PVC, while retaining the same proven Pall ring geometry. The cylindrical body with two rows of windows and inwardly bent tongues ensures efficient gas-liquid contact, uniform liquid distribution, and low pressure drop. This combination makes the CPVC Pall Ring particularly suitable for demanding applications such as hot acid fume scrubbing, electroplating exhaust treatment, and chemical absorption processes where standard PP or PVC packings would soften or degrade.

Product Highlights

• Higher Temperature Rating: CPVC withstands continuous operating temperatures up to 95°C, significantly higher than standard PVC (60°C), making it suitable for hot gas streams and warm acid solutions.
• Superior Chemical Resistance: Excellent resistance to strong acids, alkalis, and oxidizing agents, outperforming both PP and standard PVC in aggressive chemical environments.
• Proven Pall Ring Geometry: The open window and internal tongue design delivers high mass transfer efficiency, large voidage, and low pressure drop—equivalent to metal packings but at a fraction of the weight.
• Lightweight & Easy Installation: Weighing far less than metal or ceramic packings, CPVC Pall rings reduce structural load on the tower and simplify loading and replacement operations.
• Anti-Clogging & Self-Cleaning: The smooth, non-adhesive CPVC surface resists scale build-up and biological fouling, while the open structure prevents blockage from moderate solids.
• Cost-Effective for Hot Acid Service: Provides the thermal and chemical performance needed for hot acid scrubbing at a lower cost than PVDF or PTFE alternatives.