Sigma Scientific Glass Pvt. Ltd manufactures Falling Film Type HCL Gas Absorber. Sigma Scientific Glass Pvt. Ltd is an ISO 9001:2000 certified company. Falling Film Type HCL Gas Absorbers are used in chemical, pharmaceutical, dyes and allied industries. The falling film absorber is the simplest form of HCI absorber, which can be operated continuously. Falling Film Absorber is a vertically mounted shell and tube heat exchanger. The standard configuration of the Falling Film Type HCL Gas Absorber consists of a suitable shell and tube heat exchanger with the necessary drain outlet for the acid. The Hydrogen Chloride Gas enters at the top of the absorber and flows concurrently with water/dilute HCL. Cooling water is circulated through shell side of the Falling Film absorber to absorb the heat generated by the dilution of Hydrochloric acid with water.