FS Series Drain Valve Overview and application It includes inversed bucket type and floating ball type. It is widely applied on steam heating equipment and steam pipeline. Technical parameters Nominal diameter: DN15~DN150 (1/2"~16") Pressure rating: PN6~PN40 (class 150~300) Working temperature: -4℃~35℃ Connection mode: flange type Materials Valve body: Carbon steel, stainless steel Valve ball: Stainless steel Strainer: Stainless steel FLYGER sales@flyger.co.uk Tricor Suite, 4th Floor, 50 Mark Lane, London EC3R 7QR, United Kingdom