Coker Charge Pump Design Mods Pump engineering EngTips
Jul 19, 2011· The issue seems to crop up from the fact that the material gets into the key way causing key way/key erosion and subsequently leading to impeller fretting and vibration on the pump. To add to this the impeller is fitted with a coke crusher to crush any heavy particulates entering through the pump suction or during start up from warm stand by.