Knife gate valve with handwheel wafer type rising stem body GG25 gate plate 1.4301 soft-seated EPDM packing PTFE-synthetic/EPDM bolts stainless steel flange nominal pressure PN10 sealing on one side medium temperature -5...+90 °C DN 250mm face-to-face length 70mm pressure range 0-5bar, length of stem extension centre of pipe to floor 5248mm, length of platform 900mm, length of wall brackets 205mm