PREL-90-HP3-A4-A-40CFX-S2-3 FESTO Electrical pressure regulator
2026-03-21PREL-90-HP3-A4-A-40CFX-S2-3 FESTO Electrical pressure regulator 1709133
Electric pressure regulator PREL
The on-flange version with and without external control air supply of the proportional-pressure regulator VPPL is coupled directly with flow booster PREL. This ensures higher flow. Electrical pressure regulator PREL is operated with proportional-pressure regulator VPPL.
- For high-pressure applications
- Food grade see www.festo.com/certificates/PREL
- Size 90 mm, 186 mm

Technical Data
- Size90
- Nominal size DN24
- SeriesL
- Mounting positionVertical
- Type of actuationElectric
- DesignElectrically adjustable pressure regulator
- Controller functionOutput pressure constant Via primary pressure compensation With secondary venting
- Symbol00995417
- Operating pressure0 MPa … 5 MPa
- Operating pressure0 bar … 50 bar
- Pressure regulation range0.6 bar … 40 bar
- Nominal operating voltage DC24 V
- Signal range analogue output4 – 20 mA
- Signal range analogue input0 – 10 V
- SETPOINT/ACTUAL valuesCurrent type 4-20 mA
- ApprovalSpecial Equipment Type Test Certification
- Operating mediumCompressed air to ISO 8573-1:2010 [7:4:4] Inert gases
- Corrosion resistance class CRC2 – Moderate corrosion stress
- LABS (PWIS) conformityVDMA24364 zone III
- Storage temperature-10 °C … 60 °C
- Suitable for use with foodSee supplementary material information
- Media temperature5 °C … 50 °C
- Ambient temperature5 °C … 50 °C
- Product weight6100 g
- Electrical connection, INPlug connector, M12, 5-pin, A-coded
- Electrical connection, OUTPlug connector, M12, 5-pin, A-coded
- Type of mountingOn service unit With accessories
- Pneumatic connection, port 1G1
- Pneumatic connection, port 11G1/4
- Pneumatic connection, port 2G1
- Pneumatic port 22G1/4
- Pneumatic connection, port 3G1
- Pneumatic port 82G3/8
- Note on materialsRoHS-compliant
- Material underneath coverAnodised aluminium
- Material springSpring steel
- Material housingAnodised aluminium