Derval s.r.l

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.