The valves are normally manufactured in stainless steel – type SS 2343 – is designed for corrosive liquids and gases.

Most types of valves are also available in high-alloy stainless steel, Hastelloy and titanium for especially harsh environments, such as sea water, phosphoric acid, sulfuric acid solutions and moist chlorine gas.

Flanges, drilling and overall lengths are performed according to applicable national and international standards for each valve.