Temperature control valve threaded ISO228/1 material: braass body , plastic handle Size:1/2", 3/4" OEM ... service Straight radiator valve with handle1, Size:1/2", 3 ... stem, brass seal gasket, NBR o-ring, ABS handle,etc.6, Medium: water, oil, gas, etc. ... to standard export packing.Primary competitive advantages:1, Many years experience in manufacturing and exporting ...