Glycerol/Glycerine This chemical is typically produced in the same process as soaps and surfactants. It is used in a wide variety of products ranging from food and beverage to personal care and disinfectants. 4124A Cast iron Cartridge lip seal sealing options Hardened material options Capacities to 500 GPM 4195 Cast Iron Pressures up to 250 PSI Capacities to 580 GPM SG Ductile Iron Sealless design Higher pressure capability Capacities to 190 GPM