Sigma Scientific Glass Pvt. Ltd offers Distillation Overhead Assembly for GLR. Sigma Scientific Glass Pvt. Ltd is an ISO 9001:2000 certified company. Distillation Overhead Assembly for GLR is used in educational institutions, R&D centers and industries. These are glass lined reactors which are used instead of glass reactors. When scale of operation is large and relatively high pressure steam is to be used as heating media, this Distillation Overhead Assembly is used. Sometimes simple distillation unit, fractional distillation unit, etc are also installed above glass lined reactors. The basic features of these Distillation Overhead Assemblies for GLR remain the same, but glass shell and tube heat exchanger is preferred due to large scale operations. Design and features are built according to client`s requirements.