- Air consumption decrease by 80% from the existing product (ARP3000).
- Allows precise control of air pressure.
- Standard backflow function (ARP20K/30K/40K).
- Standard digital presure switches.
- Compatible with the new AC spacers.
Series image. Appearance may vary by model and options.ARP20/30/40
ARP20/30/40, Direct Operated Precision Regulator
Explore the features, model options and technical documentation for ARP20/30/40. Contact Pnoneks to select the full part number for your application.
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Selecting ARP20/30/40
Selecting ARP20/30/40: review the full part number and your system conditions when considering this Air preparation record. Share Size, Backflow Function, Thread, Port Size, Accessory, Specifications, Pressure Unit, the required quantity and your application notes with Pnoneks. Final compatibility and lead time are confirmed during quotation.
The essentials for selection.
- Manufacturer
- SMC
- Series
- ARP20/30/40
- Product group
- Air preparation
- Function
- Pressure Regulators
- Applications
- Suitability is evaluated against technical specifications and application conditions.
- Selection parameters
- Size, Backflow Function, Thread, Port Size, Accessory, Specifications, Pressure Unit
Exact dimensions, operating ranges and compatibility depend on the full part number. Review the relevant SMC documentation and application conditions for technical selection.
Features and model options
Technical descriptions and values below are preserved in the manufacturer’s original language. Options describe alternatives within the series; not every combination is valid. We will verify the full part number when quoting.
| Parameter | Options / values |
|---|---|
| Size | 20 · 30 · 40 |
| Backflow Function | None · K (Backflow Function) |
| Thread | Rc · N (NPT) · F (G) |
| Port Size | 01 (1/8) · 02 (1/4) · 03 (3/8) · 04 (1/2) |
| Accessory | None · B (Bracket) · E (Square embedded type pressure gauge [with limit indicator]) · E1 (NPN Output, Electrical Entry: Wiring Bottom Entry) · E2 (NPN Output, Electrical Entry: Wiring Top Entry) · E3 (PNP Output, Electrical Entry: Wiring Bottom Entry) · E4 (PNP Output, Electrical Entry: Wiring Top Entry) · G (Round Pressure Gauge w/Limit Indicator) · H (w/Set Nut, for Panel Mount) · BE (B+E) · BE1 (B+E1) · BE2 (B+E2) · BE3 (B+E3) · BE4 (B+E4) · BG (B+G) · EH (E+H) · E1H (E1+H) · E2H (E2+H) · E3H (E3+H) · E4H (E4+H) · GH (G+H) |
| Specifications | 0.005 to 0.4 MPa Setting · 1 (0.005 to 0.2 MPa Setting) · 3 (0.008 to 0.6 MPa Setting) · R (Flow Direction: Right to Left) · Y (Upward Facing Knob) · 1R (1 + R) · 1RY (1 + R + Y) · 1Y (1 + Y) · 3R (3 + R) · 3RY (3 + R + Y) · 3Y (3 + Y) · RY (R + Y) |
| Pressure Unit | Name Plate and Pressure Gauge: MPa · Z (Name plate & Pressure Gauge in Imperial Units: psi) · ZA (Digital Pressure Switch w/Unit Coversion Function) |



