RETURN TO ALL PRODUCTS QRC VALVES PRODUCTS L&T Valves Cast Steel, Stainless Steel Gate, Globe, & Check Valves RETURN TO ALL PRODUCTS QRC VALVES PRODUCTS L&T Valves Cast Steel, Stainless Steel Gate, Globe, & Check Valves L&T Valves, a subsidiary of Larsen & Toubro, is a global leader in flow-control solutions. QRC Valves is the North American master distributor for L&T cast, gate, globe, and check valves. Click on the image for more information. L&T VALVES