Valve fittings Material requirements
Valve body material: selected according to the medium and working conditions. commonly used materials include cast iron, cast steel, stainless steel, copper alloy, titanium alloy, etc. corrosion-resistant materials such as copper-nickel alloy and duplex stainless steel are mostly used in seawater systems. sealing materials: including metal seals (hard seals) and non-metal seals (soft seals). commonly used materials include rubber, polytetrafluoroethylene, graphite, etc.
