Miniature Regulator ARJ310 Series

Brand :
SMC
Caution
- Refer to the catalog for details on product specifications.
- Product images may be representative. Refer to the manufacturer's catalog for details.
Product Description
The Miniature Regulator ARJ310 Series is both compact and lightweight (main unit weight: 65 g).
[Features]
· Supports shorter mounting pitches.
· Accommodates 2 types of thread.
· Built-in one-touch fitting.
Miniature Regulator ARJ310 Series Details

Miniature Regulator ARJ310 Series: product images
Miniature Regulator ARJ310 Series Specifications
| Pressure gauge connection port size | Rc1/8, NPT1/8 (female thread) |
|---|---|
| Applicable fluids | Air |
| Proof pressure | 1.2 MPa |
| Maximum operating pressure | 0.8 MPa |
| Set pressure range | Standard: 0.2 to 0.7 MPa, For low pressures (0.2‑MPa setting): 0.05 to 0.2 MPa |
| Ambient and operating temperature range | -5 to 60°C (no freezing) |
| Structure | Relieving type |
| Weight (kg) | 0.065 |
Model
| Model | Piping connection port diameter | |
|---|---|---|
| IN* | OUT | |
| ARJ310-01 | R1/8, M5 × 0.8 | Rc 1/8 |
| ARJ310-N01 | NPT1/8, M5 × 0.8 | NPT1/8 |
| ARJ310F-01-04 | R1/8, M5 × 0.8 | ø4 (diameter 4 mm) one-touch fitting |
| ARJ310F-01-06 | ø6 (diameter 6 mm) single-action fitting | |
| ARJ310F-N01-03 | NPT1/8, M5 × 0.8 | ø5/32 (diameter 5/32)" one-touch fitting |
| ARJ310F-N01-07 | ø1/4 (diameter 1/4)" one-touch fitting | |
- *M5 × 0.8 female thread is cut (tapped) internally.
Accessories (optional), Part numbers
| Bracket | 134856 |
|---|---|
| Pressure gauge Note) | G15-10-01 (Rc1/8) / G15-P10-N01 (NPT1/8) |
- *Note) 0.2‑Mpa specifications not available for G15.
Model Number Notation

Model number example
Structural Drawings

ARJ310-01 structural drawing

ARJ310F-01 structural drawing
Component Parts
| Number | Part name | Materials | Additional notes | |
|---|---|---|---|---|
| 1 | Body | Aluminum alloy | - | |
| 2 | Valve guide | Brass | Electroless nickel plating | |
| 3 | Bonnet | Brass | Electroless nickel plating | |
| 4 | Piston | POM | - | |
| 5 | Valve | Brass | Rubber lining material: HNBR | |
| 6 | Adjusting screw | Iron | Nickel plating | |
| 7 | Panel nut | Iron | Zinc Chromate | |
| 8 | Hex nut | Iron | Zinc Chromate | |
| 9 | Pressure regulator spring | Steel wire | Zinc chromate | |
| 10 | Valve spring | Stainless steel | - | |
| 11 | Spring holder | Steel strip | Zinc chromate | |
| 12 | Mini Y seal | NBR | - | |
| 13 | O-ring | NBR | - | |
| 14 | Lock washer | SS | Zinc chromate | |
| 15 | Bracket | Steel strip | Electroplating | Accessories |
| 16 | Pressure gauge | - | - | Accessories |
| 17 | Cassette | POM, stainless steel | - | |
Miniature Regulator ARJ310 Series Dimensions
(Unit: mm)

Miniature Regulator ARJ310 Series: dimensional drawing