Brass radiator valve: 1.Size:1/2",3/4" 2.Angle radiator valve with thermostatic option,copper/pex/multilayer pipe connection Zhejiang xinfan copper Industry co. Ltd is a professional supplier, have more than 20 years of OEM experience. Professional production: manifold ,mix water valve ,temperature control valve, radiator valve ,vent valve ,ball valve ,liquid flowing flowmeter ,radiator fitting ...