Lobe pump as transfer pump for peanut butter Peanut butter, with high viscosity and thickness, low flowability, so lobe pump is necessary transfer pump for this medium. We cooperated with many factory of peanut butter, has enough experience on this working conditions. So, we design special mechanical seal, and get patents, too. The pump have FDA, 3A certification, and support CIP, SIP. Pump pic for reference: