NEW DELHI, 4 August 2018: Unitek Valves Pvt. Ltd. manufactures and supplies a number of different valves and related products. A valve is a useful device that is used everywhere; from domestic to commercial use. It controls or directs the flow of a substance that is in liquid or gaseous state. The demand for valves has increased and mostly because of the rise of industries where it is used most frequently and productively.