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Valves - Specific Services

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Valves - Specific Services
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.
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Related Topics

Control Valve Sizing

Control Valve terminology, bodies, trim, flow characteristics, Cv and Kv sizing, noise, actuators, positioners and more.

International Valve Standards

International valve standards for piping systems.

Piping Systems

Calculate dimensions of pipes and tubes. Pressure drop calculations and head loss charts. Use of different piping materials. Insulation of pipes and tubes and heat loss diagrams.

Related Documents

ASME - Valve Standards

An overview of the American Society of Mechanical Engineers - ASME - valve standards.

ASTM - Valve Standards

An overview of ASTM International - American Society for Testing and Materials - valve standards.

Control Valves - Flow Characteristics

Flow capacities vs. stem opening.

Control Valves - Leakage Classification

Seat leakage classification through control valves.

Control Valves - Sizing and Selection

Sizing control valves to match process requirements.

Diaphragm Valves - Diaphragm Materials

Common diaphragm materials and their main properties when used in diaphragm valves.

ISO Valve Standards

An overview of ISO - International Organization for Standardization - valve standards.

Liquid, Steam and Gas - Flow Coefficients Cv

Calculate flow coefficients for the design of control valves - Imperial units.

Safety Valve Standards

The most common used safety valve standards in Germany, UK, USA, France, Japan, Australia and Europe.

Straight Through Diaphragm Valves - Flow Coefficients

Flow coefficients - Cv - and flow factors - Kv - for straight through diaphragm valves.

Valve Abbreviations

US valve abbreviations commonly used in drawings and documentation.

Valve Authority

The valve authority expresses the ratio between pressure drop across the control valve compared to total pressure drop across the whole system.

Valve Type Classifications

Categories of valves.

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