Susin I-Tork India [P] Ltd. Manufactures V-Notch Control Valves for Chemical Industries, OpVEE. Susin I-Tork India [P] Ltd. Is an ISO 9001:2000 certified high precision component manufacturing company. The V-Notch Control Valves are applicable for particle entrained processes and also in Energy, Oil, and Pulp and Paper industries. These provide solution to tensions in piping, which unevenly load the seat and unsatisfactory shutoff capabilities. These V-Notch Control Valves for Chemical Industries feature flangeless standard design.