Prama instruments pvt limited manufactures a diverse line of high quality analytical laboratory equipments. Combining vast experience in this field with advanced technology, the company develops these products. These are highly reliable and supplied to various reputed pharmaceuticals companies and laboratories. As part of that the company offers high quality gas sampling valves. These are provided with a number of ports as per requirement. Gas sampling valves are used in several applications in gas chromatography, such as by-pass, flow-divertor, sample-injection, column-switching etc. They help to provide accurate result.