The Brass lever Operated Ball Valve Press Fit Copper x M.I BSP Thread Lead Free Watermark is designed for fast installation and dependable isolation in copper press plumbing systems. A simple quarter turn operation for fast shut off control. Suitable for; potable water plumbing systems, copper press installations and general isolation of water supply lines in residential and commercial plumbing applications. Maximum ressure rating of 2500 kPa and a working temperature range of 1ºC to 95ºC.