Valves for Specific Services

In case of a specific service - the choose of a valve may be simplified by following an established practice

ServicesMainSecondary
Gases Butterfly valves
Check valves
Diaphragm valves
Lubricated plug valves
Screw down stop valves
Pressure control valves
Pressure relief valves
Pressure reducing valves
Safety valves
Relief valves
Liquids - clear up to sludges and sewage Butterfly valves
Screw down stop valves
Gate valves
Lubricated plug valves
Diaphragm valves
Pinch valves
Slurries and liquids with solids Butterfly valves
Pinch valves
Gate valves
Screw down stop valves
Lubricated plug valves
Steam Butterfly valves
Gate valves
Screw down stop valves
Turbine valves
Check valves
Pressure control valves
Pre superheated valves
Safety and relief valves
  • Slurry - a thin mixture of a liquid like water and finely divided substances, such as cement or clay particles
  • Sludge - a semi-solid slurry. Wastewater solids are also referred to as sludge.

Related Topics

  • Piping Systems - Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams
  • Valve Standards - International standards for valves in piping systems
  • Control Valves - Control Valve terminology, bodies, trim, flow characteristics, Cv and Kv sizing, noise, actuators and positioners

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