Swing Wafer Check Valve 06 Series Swing Wafer Check Valve, in strict accordance with the relevant product standards, in line with EN ISO 9001 quality standards. Can be installed horizontally or vertically. Description: 06 Series Swing Wafer Check Valve, in strict accordance with the relevant product standards, in line with EN ISO 9001 quality standards. Can be installed horizontally or vertically. There are two main types: 06-M6.4> Carbon steel body, suitable for heating, air conditioning systems, water treatment, agricultural systems, the use of media can be compressed air, oils and hydrocarbons. 06-M6.6> CF8M stainless steel body, in addition to 06-M6.4 field of application, but also suitable for chemical, food processing and general industrial systems. Diameter: DN32-400