Valve Type Classifications
| Categories of Valves | Application Description |
|---|---|
| Flow regulating valves | For controlling rate of flow. |
| Temperature regulating valves | For controlling fluid temperature in a system. |
| Automatic process control valves | For controlling rate of flow relative to value. |
| Anti vacuum valves | An automatic type of air valve preventing the formation of vacuum in tanks or pipelines. |
| Blow down valves | A valve which is used for cleaning sludge from a boiler. |
| Bulkhead valves | A gate valve. |
| Free ball valves | A valve in which a ball is free to rotate in any direction. |
| Fusible link or fire valves | A fire prevention valve which has a weighted lever hold open by a wire and fusible link which melts at an increase of room temperature. |
| Hydraulic valves | A control valve for water, oil, or hydraulic systems. |
| Jet dispersal valve | A valve incorporating an element by virtue of which the energy within the emitting jet is dissipated. |
| Penstock | A single faced type of valve consisting of an open frame and a door and used in terminal positions only. Normal located in tanks or channels for controlling flow in to a pipe. |
| Plate valves | A gate valve incorporating a sluicing effect. |
| Radiator valves | A valve controlling the flow of water through a radiator. |
| Rotary slide valve | A valve in which a rotation of internal parts regulates flow by opening ar closing a series of segmental ports. |
| Rotary valve | A spherical plug valve in which the plug, which rotates through 90o. |
| Solenoid valve | A valve operated by by an electrical solenoid. |
| Spectacle eye valve | A parallel slide valve. |
| Thermostatic mixing valve | A valve which combines temperature. |
| Throttle valve | A non tight closing butterfly valve. |
Related Topics
• Piping Systems
Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams.
Related Documents
API - Valve Standards
An overview of the American Petroleum Institute - API - valve standards.
ASTM - Valve Standards
An overview of ASTM International - American Society for Testing and Materials - valve standards.
BSi - British Standard Valves
An overview of BSi - British Standard institute valve standards.
Chinese Valve Standards
Chinese standards for steel, cast iron and metal valves.
Control Valves - Cavitation
Control valves and cavitation, application ratio and multi stage control valves.
Control Valves - Flow Characteristics
Flow capacities vs. stem opening.
Control Valves - Leakage Classification
Seat leakage classification through control valves.
DIN - Valve Standards
An overview of DIN - Deutsches Institut für Normung - valve standards.
Heating Systems - Safety Valves Size vs. Boiler Power
Safety valves with boilers ranging 275 to 1500 kW.
ISO Valve Standards
An overview of ISO - International Organization for Standardization - valve standards.
JIS - Valve Standards
Japanese industrial valve standards and specifications from JAS - the Japanese Standards Association.
MSS - Valve Standards
Manufacturers Standardization Society - MSS - of the Valve and Fittings Industry - valve standards.
Safety Valves in Gas and Vapor Systems
Calculating relief valves in gas and vapor systems.
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 Selection Guide
Applications guide for selecting valves.
Valves - Specific Services
In case of a specific service - the choose of a valve may be simplified by following an established practice.
Valves - Typical Operating Temperatures
Operating temperatures for typical categories of valves - ball valves, butterfly valves and more.
Valves Types - Operating Size Ranges
Types of valves and their typical operating sizes.