Vacuum Barrier designs, engineers and fabricates liquid nitrogen (LN2) dosing and piping systems for food and beverage, semiconductor, pharmaceutical, biotech, beer, wine, coffee, cannabis and other industries. Investigating your unique application, we provide a custom or standard LN2 solution and become your one-source for a complete system. Our continued commitment to deliver safe and defect-free product while achieving the highest level of customer satisfaction has allowed us to remain the leader in LN2 dosing and LN2 piping systems for 60 years.