A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category.

SAS offers various types of valves.

• Butterfly Valves
• Ball Valves
• Gate Valves
• Globe Valves
• Check Valves
• Storm Valves
• Plug Valves
• Diaphragm Valve
• Pressure relief valve
• Rotary valve