It is made of high quality brass and shaped by hot forging, which is the newest technology from Europe. The body is chrome plated. Instead of rubber, teflon is used as ring to support the ball to protect against seepage and leakage, to provide smooth opening and closing and extending life of usage. The ball controls the flow of the water is made of brass and being rustless till the product life. The handle is made of aluminium die asting and wpoxy coating coloration that is rustless throughout the usage period. Every piece is passing quality control system before delivery, which is follow to B.S Standared 5154, PN16. We guarantee our Ball Valve is one of the best "SANWA" products.