... 9001:2008 4) PE,PP,RPP,PVC,CPVC,PVDF Plastic Pall ring most suited in low pressure drop, high capacity applications, lpw ... Low Pressure Drop Higher capacity and lower pressure drop than ceramic packing.Multiple sizes provide ability to optimize capacity and ... .per Packing factorPall ring2525x25x1.22139185483002853838x38x1.41519182158002005050x50x1.5100926063001307676x76x2.6729262193092 PVDF pall ring