ISO Certified Company, Serving the world since 1988, A Leader in Pharma Containment Split Butterfly Valves, RTP Containers and Other Containment Transfer Devices Manufacturing & Exporting from India. Das Valves Manufacturer, Supplier and Exporter of Pharma Isolators, Pharmaceutical Containment Split Butterfly valves and Containment Transfer Systems and Devices, Rapid Transfer Ports and Others to the Global Pharma Hubs.