Airtac Adjustable Cylinder SAIJ32 SAIJ32BX30-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX30-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 30mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke30 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX30-20S
The AirTAC SAIJ32X30-20-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 30 mm stroke that can be fine-tuned down by up to 20 mm, yielding a highly precise 10-30 mm usable travel window ideal for compact setups. Delivering 402 N of push force at 0.5 MPa, it integrates seamlessly into tight machinery spaces.
This variant features a SUS304 stainless steel rod (code B) for superior corrosion resistance and includes a magnet (-S) for direct compatibility with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides, and fluid control is managed via a PT tapered G1/8 port.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX30-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX30-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 30 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32BX30-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×30 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX30-20S Is Used
Precision End-Stop Tuning
Dial in the exact 10 to 30 mm travel distance during machine commissioning to achieve perfect part seating without mechanical shims.
Product Size Changeovers
Quickly adjust the cylinder's effective stroke on the packaging line when switching between different product sizes or formats.
Compact Positioning
Utilize the short 30 mm stroke with SUS304 rod for precise component pushing in tight, corrosion-sensitive assembly environments.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX30-20S the Right Cylinder?
Choose this 32 mm bore when you need precise positioning in confined spaces; if your application requires greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. The adjustable stroke is perfect for machine commissioning or product changeovers, allowing you to dial in the exact end-stop without swapping cylinders or adding external stops. For any stroke at or above 300 mm, always use an external guide to support the load and mitigate side-load wear.
When specifying a replacement, ensure you match the 32 mm bore, 30 mm stroke, 20 mm adjustment range, PT port thread, and the -S magnet option. Note that the rear adjuster functions strictly as a travel stop and does not lock the load; if load-holding without live air pressure is required, consider an AirTAC SAIL or BSAI series cylinder instead.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX30-20S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
The rear adjuster acts as a mechanical stop that allows you to shorten the 30 mm nominal stroke by up to 20 mm, creating a 10-30 mm usable travel window. It only sets the end position and does not hold the load without continuous air pressure.
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