![[SMC] — AR40-D Modular Regulator](https://img.prosourcemro.com/2026/04/ar-d.png)
Regulators
SMC
[SMC] — AR40-D Modular Regulator
Family ID: SMC-AR40-D
SMC modular pneumatic regulator (clean/low-particle spec). Body size 40, port size: 1/4, 3/8, 1/2. Setting pressure 0.05–0.85 MPa, max working pressure 1.0 MPa. Mass: 0.48 kg. Threads: Rc / NPT / G. Options: bracket, square embedded gauge, round gauge. Other options (set nut H, light-angle gauge J, color zone M, digital pressure switch E1–E4, low-pressure spec, non-relief, reverse flow direction, psi units) available on request.
54 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| AR40-02-D | Rc 1/4, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/4 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-02E-D | Rc 1/4, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/4 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-02G-D | Rc 1/4, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/4 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-02B-D | Rc 1/4, Bracket, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/4 | Reverse flow: No | Mounting: Bracket | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-02BE-D | Rc 1/4, Bracket, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/4 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-02BG-D | Rc 1/4, Bracket, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/4 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-03-D | Rc 3/8, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 3/8 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-03E-D | Rc 3/8, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 3/8 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-03G-D | Rc 3/8, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 3/8 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-03B-D | Rc 3/8, Bracket, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 3/8 | Reverse flow: No | Mounting: Bracket | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-03BE-D | Rc 3/8, Bracket, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 3/8 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-03BG-D | Rc 3/8, Bracket, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 3/8 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-04-D | Rc 1/2, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/2 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-04E-D | Rc 1/2, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/2 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-04G-D | Rc 1/2, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/2 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-04B-D | Rc 1/2, Bracket, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/2 | Reverse flow: No | Mounting: Bracket | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-04BE-D | Rc 1/2, Bracket, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/2 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-04BG-D | Rc 1/2, Bracket, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: Rc | Port size: 1/2 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N02-D | NPT 1/4, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/4 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N02E-D | NPT 1/4, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/4 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N02G-D | NPT 1/4, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/4 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N02B-D | NPT 1/4, Bracket, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/4 | Reverse flow: No | Mounting: Bracket | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N02BE-D | NPT 1/4, Bracket, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/4 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N02BG-D | NPT 1/4, Bracket, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/4 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N03-D | NPT 3/8, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 3/8 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N03E-D | NPT 3/8, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 3/8 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N03G-D | NPT 3/8, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 3/8 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N03B-D | NPT 3/8, Bracket, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 3/8 | Reverse flow: No | Mounting: Bracket | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N03BE-D | NPT 3/8, Bracket, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 3/8 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N03BG-D | NPT 3/8, Bracket, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 3/8 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N04-D | NPT 1/2, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/2 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N04E-D | NPT 1/2, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/2 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N04G-D | NPT 1/2, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/2 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N04B-D | NPT 1/2, Bracket, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/2 | Reverse flow: No | Mounting: Bracket | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N04BE-D | NPT 1/2, Bracket, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/2 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-N04BG-D | NPT 1/2, Bracket, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: NPT | Port size: 1/2 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F02-D | G 1/4, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/4 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F02E-D | G 1/4, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/4 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F02G-D | G 1/4, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/4 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F02B-D | G 1/4, Bracket, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/4 | Reverse flow: No | Mounting: Bracket | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F02BE-D | G 1/4, Bracket, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/4 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F02BG-D | G 1/4, Bracket, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/4 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F03-D | G 3/8, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 3/8 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F03E-D | G 3/8, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 3/8 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F03G-D | G 3/8, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 3/8 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F03B-D | G 3/8, Bracket, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 3/8 | Reverse flow: No | Mounting: Bracket | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F03BE-D | G 3/8, Bracket, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 3/8 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F03BG-D | G 3/8, Bracket, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 3/8 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F04-D | G 1/2, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/2 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F04E-D | G 1/2, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/2 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F04G-D | G 1/2, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/2 | Reverse flow: No | Mounting: No mounting option | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F04B-D | G 1/2, Bracket, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/2 | Reverse flow: No | Mounting: Bracket | Pressure gauge: No pressure gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F04BE-D | G 1/2, Bracket, Square embedded gauge, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/2 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Square embedded gauge | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) | ||
| AR40-F04BG-D | G 1/2, Bracket, Round gauge with limit indicator, clean/low-particle spec | SMC | Body size: 40 | Thread: G | Port size: 1/2 | Reverse flow: No | Mounting: Bracket | Pressure gauge: Round gauge with limit indicator | Setting pressure: 0.05–0.85 MPa | Max working pressure: 1.0 MPa | Construction: Relief type | Spec: Clean/Low-particle (-D) |
