Penstock valve; ATEX II 3 GD Ex IIB T3; Body And Gate 1.4309; Seal EPDM; Incl. Handwheel with double gearbox; Non rising stem; Sealing on 3 sides; Flow direction One-sided; Maximum pressure 0,8 mH2O; Mounting bridge 1.4309; Dimensions 2800x800mm; According to drawing CA90406; Incl. Inspection certificate EN-10204-3.1 For material, pressure, function and tightness