Microfinish Valves Pvt. Ltd manufactures Flanged/ Lugged Wafer type Knife Edge Gate Valve. Microfinish Valves Pvt. Ltd is an ISO 9001: 2000 certified company. The Flanged/ Lugged wafer type Knife Edge Gate Valve available in Series 50SF and 50SW comes with Soft or metal seat. The Knife Edge Gate Valve is rugged in design and has a pressure rating of PN6 up to size 300 mm and PN3 from size 350 to 600 mm.