1.CE certificate 2.ISO9001:2000 certificate 3.brass/Nickel plated 4.Flush Valve NameFlush Valve MaterialEu - Brass CnZn39Pb3 according to EN12164 or EN12165US - Brass ... according to ASTM B16 or ASTM B124Size1/2",3/4",1",1 1/4",1 1/2",2" ( DN15,DN20,DN25,DN32,DN40,DN50) or ... suppliable, OEM/ODM welcome. DNSIZEAB151/2"7648203/4"8149251"10058321 1/4"11062401 1/2"12072502"14376