Caliber Valves Pvt. Ltd. Offers CI Ball Valves. Caliber Valves Pvt. Ltd. Is an ISO 9001-2000 certified company. These CI Ball Valves are used in various industries. Specifications of CI Ball Valves are: Sizes: 15mm to 200mm Material: Cast Iron - IS 210 Gr. FG 220 Trim: AISI 304 / 316 Type: Full Bore, Three Pieces Rating: Class 125 / 150 Ends: Flanged BS 10 Table - [D/E] / Class 150