CGIS has over forty years of specifying the right high alloy valve for corrosive, erosive and/or abrasive applications. Our success in this difficult field starts with our staff. Many of our technical sales representatives and application specialists have backgrounds in metallurgy, which means you can trust our expert analysis and recommendations when dealing with Ni-resist, duplex, super duplex, high chrome, high nickel, titanium, zirconium or any other metals or alloys required to meet your specific needs.