METAL SEATED KNIFE GATE VALVE（金属阀座刀闸阀）.pdfVIP

Figure 61B KNIFE GATE VALVES STAINLESS STEEL LINED METAL SEATED KNIFE GATE VALVE The figure 61B is a lined valve with the economy of a ductile iron body and the corrosion resistance of all stainless steel wetted parts. The 61B is designed for pulp and paper, chemicals, mining and petroleum industries to handle dense mixtures of stock and slurries. The shearing action of the knife gate cuts through solids and cleans the seat as it closes. Features: • Unidirectional Shutoff • Stainless Steel Lined Ductile Iron Body • Thrust Ball Bearing Yoke Bushing (18” Larger) • Cast Iron Handwheel Unidirectional • Bonnetless, Outside Screw Yoke Metal Seated • Rising Stem • Corrosion Resistant Stainless Impregnated Coating • Meets MSS SP-81 Specification for 150 PSI CWP • Smooth Flow, Non-clogging Step Seat Design • Available in sizes from 3” to 24” Standards: • Design: MSS SP-81 • Flange Drilling: ANSI B16.5 • Seat/Shell Test: MSS SP-81 Stainless Steel Lined Options Standard Materials FNW Valve Company offers many options and Ref. Description Material Qty Remarks modifications for valves. These include, but are No. not limited to: 1 Body Ductile Iron 1 • Actuation including ratchets, chain wheels, 2 Knife A240 316 1 AWWA nuts, gear-operators, pneumatic 3 Yoke A216 WCB 1 hydrauli