Valves and flow control
Solenoid valves
Direct or servo operation, minimum differential pressure, normal position, voltage, coil power and elastomer compatibility drive selection.
Type and construction
Available types
1
Two-way direct acting
View details2Two-way servo assisted
View details3Three-way solenoid valve
View details4Air pilot valve
View details5High-pressure solenoid valve
View details6Steam and high-temperature solenoid
View details7Explosion-protected solenoid
View details8Corrosive-media solenoid
View details9Latching solenoid valve
View details10NAMUR solenoid valve
View detailsQuick comparison
How the main types differ in selection
TypePurposeBest suited toWatchpoint
Two-way direct actingAutomatic fluid switching from an electrical commandFast switching, auxiliary circuits and automated systemsVoltage, duty cycle, minimum differential pressure, enclosure and hazardous area
Two-way servo assistedAutomatic fluid switching from an electrical commandFast switching, auxiliary circuits and automated systemsVoltage, duty cycle, minimum differential pressure, enclosure and hazardous area
Three-way solenoid valveAutomatic fluid switching from an electrical commandFast switching, auxiliary circuits and automated systemsVoltage, duty cycle, minimum differential pressure, enclosure and hazardous area
Air pilot valveAutomatic fluid switching from an electrical commandFast switching, auxiliary circuits and automated systemsVoltage, duty cycle, minimum differential pressure, enclosure and hazardous area
High-pressure solenoid valveAutomatic fluid switching from an electrical commandFast switching, auxiliary circuits and automated systemsVoltage, duty cycle, minimum differential pressure, enclosure and hazardous area
Steam and high-temperature solenoidAutomatic fluid switching from an electrical commandFast switching, auxiliary circuits and automated systemsVoltage, duty cycle, minimum differential pressure, enclosure and hazardous area
Explosion-protected solenoidAutomatic fluid switching from an electrical commandFast switching, auxiliary circuits and automated systemsVoltage, duty cycle, minimum differential pressure, enclosure and hazardous area
Corrosive-media solenoidAutomatic fluid switching from an electrical commandFast switching, auxiliary circuits and automated systemsVoltage, duty cycle, minimum differential pressure, enclosure and hazardous area
Latching solenoid valveAutomatic fluid switching from an electrical commandFast switching, auxiliary circuits and automated systemsVoltage, duty cycle, minimum differential pressure, enclosure and hazardous area
NAMUR solenoid valveAutomatic fluid switching from an electrical commandFast switching, auxiliary circuits and automated systemsVoltage, duty cycle, minimum differential pressure, enclosure and hazardous area
Before selection
Information to define
- 1Normal position
- 2Minimum differential pressure
- 3Voltage and power
- 4Diaphragm and seal material
- 5Ingress protection
- 6Response time
Typical materials
BrassStainless steelPlasticAluminium
Typical connections
ThreadedFlangedNAMURManifold
Typical media
AirWaterGasOilSteam
Function
What does this family do?
Isolation and shut-off
Full flow shut-off for operation, maintenance or process safety
Functional selection guideRouting, branching and mixing
Changing line direction, dividing or combining flow and creating branches
Functional selection guideAutomation and actuation
Valve movement, command input and position feedback to the control system
Functional selection guideTechnical reference
Related standards
The exact edition and requirements must be checked against the project specification.
IEC 60529IEC 60079NAMUR
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Related families
Engineering note
This page supports initial screening and does not replace engineering calculations, project specifications, manufacturer approval or design pressure-temperature checks.
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