SMC AR20-N02E-1RZ-D Regulator, 1/4" NPT, Embedded Gauge, 0.02-0.2 MPa
SMC
$24.60
The SMC AR20-N02E-1RZ-D is a size 20 modular air regulator with 1/4" NPT ports, an integrated square embedded pressure gauge with limit indicator, a low-pressure setting range of 0.02 to 0.2 MPa (approximately 3 to 29 psi), and a relieving-type exhaust mechanism. It reduces and holds downstream air pressure at a stable setpoint as the pressure-control stage in a modular F.R.L. air preparation station.
This is the current AR-D generation body. The square embedded gauge reads directly on the face of the unit to save space, and its limit indicator lets you mark the target pressure at a glance. Flow runs right to left on this configuration, the adjustment knob faces downward and is easy to hold when unlocked, and the label reads in psi and °F with an MPa / psi dual-scale gauge for North American service.
Replacing a legacy unit? The AR20-N02E-1RZ-D is a direct, drop-in replacement for the SMC AR20-N02E-1RZ-B. See crossover details below.
Key Specifications
| Model | AR20-N02E-1RZ-D |
| Type | Modular air regulator |
| Series | AR-D (D-series modular) |
| Body Size | 20 |
| Port Size | 1/4" NPT |
| Pressure Gauge | Square embedded type, with limit indicator |
| Set Pressure Range | 0.02 to 0.2 MPa (approx. 3 to 29 psi) |
| Exhaust Mechanism | Relieving type |
| Bracket | Without bracket |
| Backflow Function | Without backflow function |
| Flow Direction | Right to left |
| Knob | Downward |
| Unit Label | psi, °F; gauge MPa / psi dual scale |
Maximum supply pressure, proof pressure, and temperature ranges follow the standard AR-D series datasheet. Confirm exact values against the SMC datasheet for your application.
Part Number Breakdown: AR20-N02E-1RZ-D
| AR | Modular air regulator |
| 20 | Body size 20 |
| N | NPT thread type |
| 02 | 1/4" port size |
| E | Square embedded type pressure gauge (with limit indicator), no bracket |
| 1 | Set pressure 0.02 to 0.2 MPa |
| R | Flow direction right to left |
| Z | Unit label psi, °F; gauge MPa / psi dual scale |
| D | D-series modular body (current generation) |
Typical Applications
- Setting and holding stable downstream pressure in a modular F.R.L. air preparation station
- Low-pressure control in the 0.02 to 0.2 MPa range, such as air blow, light clamping, and tensioning
- Panel and station builds where the embedded gauge saves space and the limit indicator marks the target
- Right-to-left plumbed stations where the flow direction must match the existing manifold layout
Maintenance Parts
| Valve Assembly | AR24P-060AS |
| Diaphragm Assembly | AR24P-150AS |
| Valve Guide Assembly | AR24P-050AS |
| Pressure Gauge | GC3-4AS-D |
Replacing an AR20-N02E-1RZ-B
The AR20-N02E-1RZ-D is the current AR-D generation of this regulator, superseding the legacy AR20-N02E-1RZ-B. SMC maintains panel-mount interchangeability across the generations: the panel mounting pitch carries over, and brackets and set nuts are common to the existing and new products.
|
Legacy Part
AR20-N02E-1RZ-B
Prior "-B" generation
|
→ |
Current Replacement
AR20-N02E-1RZ-D
Current AR-D body
|
The connection, configuration, and mounting all carry over, so it drops into an existing AR20-N02E-1RZ-B installation without rework:
- Same 1/4" NPT connection and right-to-left flow direction
- Interchangeable panel-mount pitch; brackets and set nuts common to both
- Same 0.02 to 0.2 MPa relieving-type pressure control
- Same square embedded gauge and psi / °F dual-scale labeling
Note: valve, diaphragm, and gauge service parts are listed above. If you are transitioning a fleet of older units, standardize your spares inventory on the current AR-D maintenance parts going forward.
Frequently Asked Questions
What does the AR20-N02E-1RZ-D do?
It is a modular air regulator with an integrated pressure gauge. It reduces incoming compressed air to a stable, adjustable downstream pressure and holds it at the setpoint, and the relieving design vents excess downstream pressure automatically if it rises above the set value.
What kind of gauge does it have?
A square embedded type pressure gauge with a limit indicator, reading on the face of the unit. The replacement gauge is the GC3-4AS-D.
Which way does the air flow?
This configuration is plumbed right to left. Confirm that matches your station layout when specifying, since it is the reverse of a standard left-to-right unit.
Is the AR20-N02E-1RZ-D a direct replacement for the AR20-N02E-1RZ-B?
Yes. It is the current AR-D generation that supersedes the legacy AR20-N02E-1RZ-B. The panel-mount pitch is interchangeable and the brackets and set nuts are common to both, so it drops into an existing installation without rework.
What is the pressure setting range?
This configuration uses the "1" low-pressure setting of 0.02 to 0.2 MPa, roughly 3 to 29 psi, suited to low-pressure control rather than full-line pressure regulation.
The SMC AR20-N02E-1RZ-D is distributed by Automation Distribution, an authorized SMC distributor. For application help, cross-references from legacy AR part numbers, or quantity pricing, contact our team at 1-888-600-3080.
- Body Size:
- 20
- With Backflow Function:
- Without Backflow Function
- Thread Type:
- NPT
- Port Size:
- 1/4
- Option a:
- Without Bracket
- Option b:
- Square Embedded Type Pressure Gauge (With Limit Indicator)
- Semi-Standard a:
- 0.02 To 0.2 Mpa Setting
- Semi-Standard b:
- Relieving Type
- Flow Direction:
- Right to Left
- Made To Order:
- Standard
