Screwed/ Flanged Gate Valve is designed to provide minimum turbulence and resistant to flow when in fully open position. The Gate Valve has long guide ribs in the body along with accurately machined wedge guide slots that ensure accurate control and alignment of wedge while operating wedges are generally solid type and are lapped with renewable seats in carbon steel and integral seats in stainless steel. The Gate Valve has back seat arrangement as an additional sealing under full working pressure which facilitates replacement of packing with valve under fully open condition. The Screwed/ Flanged Gate Valve is offered in sizes ranging from 15 mm to 300 mm.