Categories of Valves
|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.
|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.
|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.
|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.
|A gate valve incorporating a sluicing effect.
|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.
|A spherical plug valve in which the plug, which rotates through 90o.
|A valve operated by by an electrical solenoid.
|Spectacle eye valve
|A parallel slide valve.
|Thermostatic mixing valve
|A valve which combines temperature.
|A non tight closing butterfly valve.
Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams.
An overview of the American Petroleum Institute - API - valve standards.
An overview of ASTM International - American Society for Testing and Materials - valve standards.
An overview of BSi - British Standard institute valve standards.
Chinese standards for steel, cast iron and metal valves.
Control valves and cavitation, application ratio and multi stage control valves.
Flow capacities vs. stem opening.
Seat leakage classification through control valves.
An overview of DIN - Deutsches Institut für Normung - valve standards.
Safety valves with boilers ranging 275 to 1500 kW.
An overview of ISO - International Organization for Standardization - valve standards.
Japanese industrial valve standards and specifications from JAS - the Japanese Standards Association.
Manufacturers Standardization Society - MSS - of the Valve and Fittings Industry - valve standards.
Calculating relief valves in gas and vapor systems.
Flow coefficients - Cv - and flow factors - Kv - for straight through diaphragm valves.
US valve abbreviations commonly used in drawings and documentation.
Applications guide for selecting valves.
In case of a specific service - the choose of a valve may be simplified by following an established practice.
Operating temperatures for typical categories of valves - ball valves, butterfly valves and more.
Types of valves and their typical operating sizes.