These cross head 15mm chrome angled wheel head radiator valve is a traditional tap head radiator valve. All visible parts are made of chrome-plated brass, while the valve insert is made of brass with EPDM seats. Materials Valve body made of chrome-plated CW614N brass. Valve insert made of CW614N brass with EPDM seals. Tailpiece and union-nut made of chrome-plated brass. Max. working pressure: 10 bar Max. pressure differential: 1 bar Min. water temperature: 2C Max. water temperature: 100C Max. ambient temperature: 50C When do you use an Angled Radiator Valve? An angled radiator valve is used when your central heating pipework is coming into the Radiator or towel rail from the wall or floor.