Profile: L & S Cryogenics, Inc. develops a variety of pumps & vaporizers for industrial cryogenic applications in petrochemical and aerospace industries. We also deliver professional service and repair work. We supply parts and components for all major types of cryogenic equipment. We produce model 3-SLS pump for high pressure delivery of cryogenic fluids. Our check valves are designed for high flow rates and high pressures in either liquid nitrogen or gas service.