CM Flowmeters (India) Pvt. Ltd.

CM Flowmeters (India) Pvt. Ltd. was established in 1967 as Chemicals & Meters by Raju Venkateswar, a US-trained chemical engineer, and operates from office-cum-factory premises in the Kasba Industrial Estate in Calcutta. An ISO 13485:2016 certified company, it is a reputed manufacturer and worldwide exporter of rotameters, or variable area flowmeters, for industrial, scientific and medical applications, with the CM brand standing for excellence, quality and reliability.

The product range comprises various types of industrial rotameters, virtually any type of anaesthetic rotameter, complete anaesthetic rotameter units together with anti-hypoxia devices, and paediatric oxygen rotameters. Medical products include two-tube flowmeters with dual scales starting from 0.1 LPM and two-tube cascade flowmeters. The rotameter is a vital precision instrument used to measure and control fluid flow rates, and CM is a leading international manufacturer of rotameters for anaesthesia applications.