Home › Forums › Coking › Maintenance › Pumps, Valves, Rotary Joints, Cranes › Pumps › API seal plan for charge pumps This topic contains 5 replies, has 3 voices, and was last updated by Claus Graf 11 years, 11 months ago. Author Posts January 20, 2010 at 11:04 am #2794 Freddy MartinezParticipant What is the best API seal plan choice for a charge pump based on reliability and safety?. We need to upgrade our old charge pumps and would like to know the most common seal plan used nowadays. Thanks, RI. February 2, 2010 at 12:32 pm #5795 Claus GrafParticipant API 32A/52B/62. Are you getting new pumps, or just upgrading the mechanical seals ? Regards, CG February 11, 2010 at 1:03 pm #5782 Anonymous I’ll go for a Plan 54… February 16, 2010 at 2:02 pm #5776 Anonymous We are aplanning to buy new pumps (2-stage BB2), including the seals. Thanks for the comments. RI. July 2, 2010 at 11:20 am #5553 Ken OsmentParticipant Specific to our situation where we have fine hard particulates in our feed we use a plan 32 primary flush and a plan 62/65 secondary steam quench. July 15, 2010 at 2:11 pm #5540 Claus GrafParticipant Double suction 1st stage ? Regards CG Author Posts You must be logged in to reply to this topic.