Butterfly Valves are available with 10/16 kg/cm sq. Pressure. C & R [Sales & Services] Pvt. Ltd. Manufactures Butterfly Valves. C & R [Sales & Services] Pvt. Ltd. Also manufactures different types of Valves. Butterfly Valves are used for installation between flanges drilled As per IS 1538. Valves can also be provided for installation between flanges drilled To ANSIB 16.5, DIN 2632/2633 BS 10 Table, IS: 13159. Prior to installation, the inside of the valves should be cleared of all foreign matter & the valve should be in the slightly open position but with the disc limited within the laying width of the body. Its temperature rate varies from -20° c to +135°C.