1.Material of the valve: Brass,UPVC,Brass 2.Size Scope: ball valveDN50-65,butterfly valveDN50-125 3. ... Electric valve Motorized valve ball valve,AC220V,UPVC,Brass,SS, 100NMMaterial of the valve: Brass,UPVC,BrassSize Scope: ball valveDN50-65, butterfly ... closure in connection place of key, the transmission precision high, forged with special copper alloy, with features of high strength and ...