Derval is a leading manufacturer and supplier of valves for Oil Gas and Power Generation industries. The main products include Gate Valves Globe Valves Check Valves Dual Plate Strainers in forged or cast steel. Our product range starts from 1 2 and extends to 60 valves with pressure ratings ANSI ASME Class 150 to 2500 Lbs. and UNI PN 6 to PN 100. The highest quality and variety of used materials Carbon Steels Low Temperature Carbon Steel Alloy Steels Stainless Steels and other special alloy steel according to ASTM ASME can satisfy all the requirements of the Chemical Petrochemical and Power Plants Oil and Gas Off Shore On Shore Refining Ship Building Water Treatment Energy Generation.
