C & R [Sales & Services] Pvt. Ltd. Also manufactures Brass Ball Valves. Brass Ball Valves are available with Stainless Steel made of Lever Nut. C & R [Sales & Services] Pvt. Ltd. Also manufactures different types of valves. The Lever of Brass Ball Valve is made of mild steel. The Seat Retainer is also made of Brass CW617N material. The valves are available in different range of dimensions.