... according to ASTM B16 or ASTM B124Size1/2",3/4",1",11/4",11/2",2",2 1/2",3",4" ( DN15,DN20,DN25, ... according to drawings, samples and accurate size.SurfaceYellow brass color, Nickel plated, Chrome platedworking temperature-20°C to 150 ... , OEM/ODM welcome. DNSIZELBHD151/2"42.5147654203/4"46.3167854251"50208558321 1/4"562610072401 1/2"593211372502"664413380652 1/2"7554165107803"82642051261004"9284240130