Parveen Industries Pvt. Ltd. Designs and manufactures Choke Valves. Parveen Industries Pvt. Ltd. Is an ISO 9001: 2000 certified company. The Choke Valves minimize erosion and improve flow characteristics suitably for erosive service and under high pressure drop with sand concentration. It applies the principle of "Flow Impingement" to dissipate and contain the destructive forces of cavitations, within the heavy duty thick walled cage of tungsten carbide. The salient features of Choke Valves are: