Profile: Lined Valve Co. designs and manufactures knife gate valves. Our products include cast stainless swing check valve, cast stainless wedge gate valve, resilient seated knife gate and valves metal seated knife gate valves. We serve industries such as pulp & paper, wastewater treatemnt, power generation, mining, food processing and cement. Our stainless steel knife gate valve features cast stainless steel body, heavy duty cast ductile iron yoke and enclosed brass stem bushing.