"brass boiler discharge valve with cover" Body brass Nickel-plated finishing. PTFE seats. Threaded end male ISO 228/1 and hose connection with safety cap. Working temperature: Max. Temp. 110ºC Aluminium butterfly handle. Size Dn Length Height Qty/Ctn 3/8" 1/2" 10 76 23 1/2" 3/8" 10 71 23