OptiLobe The OptiLobe is an optimized rotary lobe pump that is a cost-effective alternative to Alfa Laval SRU and SX rotary lobe pumps. Designed for standard duties within the food, dairy and beverage industries.     SRU rotary lobe pump With its smooth, low-shear pumping action, the SRU is Alfa Laval’s core rotary lobe pump for the gentle handling of sensitive process fluids within the dairy, food and beverage, biotechnology and pharmaceutical industries.                 SX Rotary lobe pump The SX is Alfa Laval’s premium rotary lobe pump designed for gentle transportation of process fluids in hygienic and ultra-clean applications in the biotechnology and pharmaceutical industries, health and beauty, and demanding food applications.