Valve certified NF 13828 and NF 079 by the French quality control CSTB Safety and regulating valves category Certificate of Sanitary Conformity ACS Body and threaded end UNI ISO 228/1 CW617N brass manoeuvring stem, chrome-plated polished ball PTFE seal O-ring on the stem in HNBR O-ring under the stem in EPDM peroxide Green epoxy coated aluminium manoeuvring lever Fixing screw CW617N Extended lever Nickel plating outside surface treatment Working temperature -5° to 90° C with peak at 110°C max 1 hour Full bore Anti blow out stem CE 97/23/CE Used for heating and cooling water, drinking water Compressed air low pressure (less than 10 bar) for DN less than 32