The main problem when choosing a glycerin pump is that the glycerin solution is a viscous medium, and the viscosity varies greatly depending on temperature.
Pump Notes: Cast iron construction is satisfactory. Elastomers should preferably be selected from buna n rubber. The flow part can be made of any corrosion-resistant material, but if there are requirements for maintaining the hygienic purity of the product, it is recommended to use pumps made of stainless steel or polymers.