We are the manufacturer and supplier of injection double block and bleed valve which fits in many applications where there is a need to inject chemicals such as de-waxing, de-icing or de-foaming agents into the process stream to facilitate a free flow of the process media.Read more from our website. https://www.ydbvalves.com/injection-quills-sampling-probes-for-dbb-valves/ Address - Y-21, Khan Real Industrial Estate, N. H. 08, Pelhar, Vasai Phata, Vasai East, Palghar - 401208. INDIA Phone : +918087010270 Email: info@ydbvalves.com