All UN cylinders are shipped with a protective cap for the cylinder valve. Valve caps are shipped installed on loose cylinders and shipped loose with racked assemblies. The mandatory retest period for UN cylinders is every ten (10) years. Under no circumstances are these cylinders to be filled to a pressure exceeding the marked service pressure at 70° F.
For more information or to connect with your nearest distributor, please contact us at, IndustrialSales@bauercomp.com.