Oswal Industries Ltd. Offers Heavy Duty Gate Valve. Oswal Industries Ltd. Is an ISO 9001:2000 certified company. Heavy Duty Gate Valve is outside screw & yoke type, bolted bonnet, rising stem valve with non rising hand wheel. Heavy Duty Gate Valve is available in straight through bore design which assures minimum turbulence, erosion and resistance to flow. The most advanced design features provides the ultimate in dependable, economic flow control. They are available in wide range of sizes and weights. These valves are widely suited for high pressure and temperature and variety of fluids. Gate valves are adequate for all service media along with hydrogen service, oxygen service, hydrocarbon service and NACE applications. Other optional features of these valves are like live loading, lantern ring, bleed holes, purging lines and other features are available on request.