The following factors are important in making the right commercial and technical choice for Solenoid Valve Selection Criteria:
– Valve actuation
solenoid
pressure
proportional
motorised
– Number of ways
2/2 Valve
3/2 Valve
– Switching function
normally closed (NC)
normally open (NO)
– Connection size
flow rate
kv (flow coefficient) value
Type of connection
threaded
flanged
weld ends
– Working pressure
upstream of valve
downstream of valve
differential pressure
vacuum
– Process fluid
neutral to aggressive
gas to liquid
filtered to contaminated
– Fluid temperature
range from – to + °C
– Ambient temperature
range from – to + °C
ambient atmosphere
– Solenoid power supply
voltage
current
frequency
– Protection classification
IP
EEx
– Control fluid supply
control fluid
control pressure
temperature of control fluid from – to + °C
ambient temperature from – to + °C
– Accessories and options
– Safety requirements
TÜV approval/test certificates
specific certifications

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