... certificate 3.Nickel plated,brass Name2 1/2" Forging Copper Gate valve MaterialEu - Brass CnZn39Pb3 according to EN12164 or EN12165US - Brass CA3600 or ... CA3700 according to ASTM B16 or ASTM B124Size1/2",3/4",1",11/4",11/2",2",2 1/2",3",4" ( DN15,DN20,DN25 ... ,DN32,DN40,DN50,DN65,DN80,DN100 ) or according to drawings ...