SMC AW40-03D-YB
SMC
OBSOLETE - This item has been discontinued by SMC.
Superseded by the SMC AW-D Series. See replacement and crossover details below.
SMC AW40-03D-R Modular Filter Regulator (Discontinued)
The SMC AW40-03D-R is a modular combination filter/regulator from the AW family: body size 40, 3/8" Rc (PT) ports. It integrates filtration and pressure regulation in one unit and is part of SMC's modular air-preparation (F.R.L.) system. It has been discontinued by SMC.
Recommended Replacement
SMC AW-D Series
SMC ended production of the AW-A and AW-B filter-regulator generations in March 2025. The current replacement is the AW-D series, panel-mount interchangeable with previous AW models. Confirm the exact configured part number for your ports, drain, gauge, and bowl options.
| Discontinued part | AW40-03D-R |
| Status | Discontinued by SMC |
| Replacement | SMC AW-D Series |
Part Number Breakdown: AW40-03D-R
| Segment | Code | Meaning |
|---|---|---|
| Series | AW | Modular filter regulator |
| Body size | 40 | Size 40 body |
| Thread / port | 03 | Rc (PT) thread, 3/8" port |
Specifications
| Series | AW (modular), combination filter/regulator |
| Body size | 40 |
| Port size / thread | 3/8" Rc (PT) |
| Filtration rating | 5 micron (series standard) |
| Max operating pressure | 1.0 MPa (approx. 145 psi) |
| Set pressure range | 0.05-0.85 MPa (approx. 7-123 psi), series standard |
| Regulation type | Relieving |
| Bowl | Polycarbonate with guard (size 30+) |
Specifying This Unit in a New Design
Do not design the AW40-03D-R into new equipment - it is discontinued. For new builds, specify the equivalent SMC AW-D filter regulator, which is panel-mount interchangeable with the legacy AW and offers a 125 psi maximum set pressure. Use this page only to identify the correct current replacement for an existing installation.
Crossover Notes
- The AW-A and AW-B filter-regulator generations ended production in March 2025; the AW-D series is the current replacement.
- AW-D maintains panel-mount pitch interchangeability with the AW(K)-B series.
- Match port, drain type (auto/manual), gauge, and bowl options when selecting the AW-D equivalent.
- Confirm the exact configured replacement part number with Automation Distribution before ordering.
Frequently Asked Questions
Is the SMC AW40-03D-R still available?
No. It has been discontinued by SMC. The current replacement is the equivalent AW-D series filter regulator.
What replaces the AW40-03D-R?
The equivalent SMC AW-D series filter regulator, panel-mount interchangeable with the legacy AW line.
Is the AW-D a drop-in for my installation?
AW-D maintains panel-mount interchangeability with previous AW models. Confirm port, drain, gauge, and bowl options before ordering.
Need the current replacement for your AW40-03D-R?
Automation Distribution is an authorized SMC distributor. We will confirm the correct crossover for your configuration. Call 1-888-600-3080.
View the SMC AW-D replacement- Option 3:
- Flow Direction: Right->Left
- Accessory 1:
- N.O.
- Port Size:
- 3/8
- Thread:
- PT
- Reverse Flow Function:
- Standard
- Size:
- 1/2
