AUDCO Cast Steel (CS) Ball Valves are high-performance quarter-turn valves designed for reliable isolation in industrial piping systems. These valves provide bubble-tight shutoff, low operating torque, and excellent durability for oil, gas, steam, water, and process applications. Design Standards Design & Manufacture: API 608 / API 6D / ASME B16.34 Face-to-Face: ASME B16.10 Flange Dimensions: ASME B16.5 Testing & Inspection: API 598 Fire Safe Design: API 607 / ISO 10497 Material of Construction (MOC) Body Cast Carbon Steel (ASTM A216 Gr. WCB) Ball Stainless Steel (SS 304 / SS 316) Hard Chrome / ENP Coated (optional) Stem Stainless Steel (SS 410 / SS 316) Seats PTFE RPTFE TFM Metal Seated (optional) Seals PTFE / Graphite Pressure Ratings Class 150 Class 300 Class 600 Higher classes available on request Size Range 15 mm (½“) to 300 mm (12“) Larger sizes available for special applications Temperature Range –29°C to +200°C (Soft Seated) Up to +400°C (Metal Seated) End Connection Flanged End Raised Face (RF) Ring Type Joint (RTJ) Easy installation and maintenance Suitable for medium and large-diameter pipelines Valve Design Floating Ball Design Full Bore / Reduced Bore Two-Piece or Three-Piece Construction Blow-Out Proof Stem Anti-Static Device Operation Types Lever Operated Gear Operated Pneumatic Actuated Electric Actuated Key Features ✔ Bubble-tight shutoff performance ✔ Fire-safe construction ✔ Low operating torque ✔ Corrosion-resistant internals ✔ Blow-out proof stem design ✔ Anti-static protection ✔ Full flow with minimum pressure drop ✔ Long service life and low maintenance Advantages ✔ Easy installation and removal through flanged connections ✔ Suitable for high-pressure applications ✔ Reliable sealing performance ✔ Maintenance-friendly design ✔ Compatible with automation systems Applications Oil & Gas Industries Petrochemical Plants Refineries Power Plants Chemical Industries Water Treatment Plants Process Industries Utility Services Summary AUDCO CS Flanged End Ball Valves are rugged and dependable isolation valves designed for demanding industrial services. Their cast steel construction, fire-safe design, and leak-tight performance make them ideal for critical applications involving steam, oil, gas, chemicals, and water systems.