Valve Selection Guide

Related Topics

• Control Valves

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

• Control Valves and Equipment

Sizing and dimensions of control valves & equipment in steam and condensate systems.

• 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.

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.

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.

Slurry Transports - Minimum Flow Velocities

Flow velocities in slurry transport systems to avoid settling of solids.

Steam Control Valves - Calculate Flow Factor Kv

Designing steam control valves and their Kv values.

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.

Weir Diaphragm Valves - Flow Coefficients and Flow Factors

Typical flow coefficients - Cv - and flow factors - Kv - for weir diaphragm valves.

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