Fergo supplies check valves in the following materials depending on the medium and operating conditions:

• Brass – for water, air, and neutral media up to 25 bar
• Stainless steel (1.4408 / 1.4301) – for aggressive media, food and pharma applications, up to +180 °C
• Grey cast iron / Ductile iron (GGG40) – for larger nominal sizes and industrial service
• Carbon steel (WCB) – for high-pressure and steam applications

Works certificates (EN 10204-3.1) and technical data sheets are available on request. Contact us.