The following factors are important in making the right commercial and technical choice for Solenoid Valve Selection Criteria:
Contents
– 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
Reference : Norgren
It’s very useful study material for me
Grt info and i would like to add one more thing can we add the line or block diagram for more clarity.