Outside screw stem (OS & Y) and No rising stem type Metal seat gate valves DN40-600 2¡±-24¡± Working pressure: PN16 Class125 Body and bonnet: cast iron Design standard: ANSI DIN JIS Face to face: DIN F4 F5, ANSI B16.1 Flange connection: ANSI B16.10 DIN EN1092 Wedge cast iron Seat: brass,stainless steel Drive mode: hand wheel, gear and electric actuated