Glass lined storage tank/receiver is a cost effective solution for chemical storage, they are ideal for the storage and containment of corrosive chemicals or high purity pharmaceuticals. ZK series vertical flange type glass lined storage tank/receiver is a separated type with clamped-top head/cover, also named "Open/Flange type". It comprises a vessel body and a separable cover, and the cover attaching and sealing to vessel body by a flange, a gasket and hook-shaped clamps. The flange comprises a cover flange face which is integral with the separable cover, a corresponding body flange face which is integral with the vessel body flange by hook-shaped clamps. It is single layer structure and without jacket. Glass-lined equipment is kind of pressure vessel which combine the inside glass fusion with the outside steel structure into one body. Glass-lined storage tank/receiver are meticulously produced with an impermeable surface finish that achieves an optimum balance of corrosion resistance, thermal properties and mechanical strength.