Description
3/4 Inch Plastic Delrin Solenoid Valve 2/2 Normally Closed – CS Fluid Power PA20
A corrosion-resistant, pressure-assisted 2/2 way normally closed solenoid valve manufactured from POM (Delrin®) and designed for water, RO water, demineralised water and mildly aggressive fluid applications. The PA20 Series combines excellent chemical resistance, low weight and reliable operation, making it ideal for water treatment, dosing systems and industrial process applications.
Valve Function & Operation
Function: 2/2 way normally closed
Operation: Pressure assisted
Minimum operating pressure: 0.5 bar differential
Ports & Sizes
Port size: 3/4 inch BSPP
Optional threads: NPT or Rc
Pressure & Performance
Operating pressure range: 0.5 to 10 bar
Orifice size: 20.0 mm
Kv flow factor: 133 L/min
Based on water with 1 bar pressure drop
Construction & Materials
Body material: POM (Acetal Homopolymer / Delrin®)
Internal components: Stainless steel
Seal material (standard): EPDM
Optional seal materials:
NBR
FKM (Viton®)
VST
Silicone
Neoprene
Hypalon
ECO
HNBR
Shading ring options:
Copper shading ring (standard)
Silver shading ring option for RO water and demineralised water applications
Media Compatibility
Air
Water
RO water
Demineralised water
Slightly aggressive fluids up to 50 CST
Compatible gases suitable for valve materials
Media compatible with POM body, stainless steel internals and selected seal material
Temperature Capability
Media temperature: -10°C to +80°C
Suitable for cold and ambient temperature fluid applications
Coil & Electrical
Standard coil: WPG1
Power: 12 W
Protection: IP68
Connector: DIN 43650A
Insulation class: H
Approvals: CE, UL, CSA
Duty cycle: 100% rated
Supplied with IP67 LED connector (overall protection IP67)
Voltage Options
DC: 12V, 24V, 48V or 125V
AC: 12V, 24V, 48V, 110V or 230V (50/60 Hz)
ATEX Option
ATEX EEx m II T4
Temperature class: T4, T130°C
Protection: Ex mb IIC T4 Gb and Ex mb tb IIIC T130°C Db
Suitable for hazardous areas Zone 21 and 22
Maximum media temperature with ATEX coil: +80°C
Special Options
Silver shading ring for RO and demineralised water
Alternative seal materials
NPT or Rc threads
Custom configurations available on request
Benefits
Corrosion-resistant Delrin® body
Ideal for RO and demineralised water systems
Suitable for mildly aggressive fluids
High-flow 20 mm orifice design
Reliable pressure-assisted operation
Low weight construction
Continuous-duty rated coil
Fast UK delivery available
Typical Applications
RO water systems
Demineralised water plants
Water treatment equipment
Chemical dosing systems
Industrial washing systems
Cooling water circuits
Process fluid control
OEM machinery and automation equipment
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