Kimplas Piping Systems Ltd. Manufactures Plain or Female Threaded Ball Valve. Kimplas Piping Systems Ltd. Also offers Pipes, fittings, valves, tools Plain or Female Threaded Ball Valve is made of plastic and corrosion resistant. The Plain or Female Threaded Ball Valve can be used for Domestic & Commercial plumbing, industrial applications, sanitary, pneumatic systems, waterworks etc. The Plain or Female Threaded Ball Valve are available in three sizes viz. 20x« inches, 25x_ inches and 32x1 inches in standard packaging of 144, 96 and 60 nos.