As one of the leading pneumatic actuated knife gate valve,Website: , knife gate valve with pneumatic actuator manufacturers and suppliers in China and equipped with a productive factory, Shanghai Hugo Valve Co.,Ltd is always at your service. No. Part name Material 1 body DI/CF8/CF8M 2 gate 304/316 3 seat PTFE/W/NBR 4 packing PTFE  5        gland CF8/CF8M 6 stem ANSI 1045 + CR 7 Travel switch   8 bracket Q253 9 nut 2H 10    actuator      Double acting 11 Solenoid valve   12 filter Features1, best choice for abrasive slurry application.2, the seat can be replaceable.3, one piece body, uni-directional type4, Operation : double acting pneumatic actuator5, Working pressure:DN 50 to DN 250: 10 kg/c㎡DN 300 to DN 400: 6 kg/c㎡DN 450: 5 kg/c㎡DN 500 to DN 600: 4 kg/c㎡DN 700 to DN 1200: 2 kg/c㎡ Materials of construction1, Body material include : ductile iron, stainless steel, customized special material.2, gate material : S.S.304, S.S.316 being solid treated3, stem material : ANSI 1045 + CR as Mfr, 17-4PH for option.4, seat material : EPDM, PTFE or NBR5, connection end : wafer, flange, lug with PN10/16