Airtac Adjustable Cylinder SAIJ32 SAIJ32BX20-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX20-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 20mm 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
- Stroke20 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX20-20
The AirTAC SAIJ32X20-20 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. With a 20 mm nominal stroke and a 20 mm adjustment range, it provides a usable travel window of 0-20 mm, allowing exact end-position tuning during commissioning without external stops. It delivers 402 N of push force and 345 N of pull force at 0.5 MPa operating pressure.
This bore 32 mm model incorporates a SUS304 stainless steel rod for superior corrosion resistance in demanding environments. It uses a PT tapered G1/8 port and achieves standard speeds of 30-800 mm/s. The extruded aluminum barrel features sensor grooves on both sides, ready for CMSE reed and DMSE electronic switches if a magnet is added later.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX20-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX20-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 20 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 SAIJ32BX20-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×20 | 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 SAIJ32BX20-20 Is Used
Precision Clamping
Dial in the exact 0-20 mm travel needed to grip fragile components without crushing them during machine changeovers.
End-Stop Calibration
Fine-tune the retract end position on the assembly line without swapping out the cylinder or adding external stopper blocks.
Corrosive Testing Setups
Leverage the SUS304 stainless steel rod for reliable actuation in laboratory or washdown environments requiring precise short strokes.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX20-20 the Right Cylinder?
Choose this 32 mm bore adjustable cylinder when a process requires exact 0-20 mm end-stop calibration, such as clamping or pressing delicate parts where a fixed 20 mm SAI cylinder might over-travel. If your application needs more force, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. The rear adjuster acts solely as a mechanical stop and does not hold the load without live air pressure; for true fail-safe load holding, select the SAIL or BSAI series instead.
To match this ISO 15552 dimensionally interchangeable cylinder, specify a 32 mm bore, 20 mm stroke, 20 mm adjustment, PT G1/8 port, and the SUS304 rod material. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR styles found on other variants.
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 SAIJ32BX20-20 FAQ
The rear adjusting screw lets you shorten the effective stroke by up to 20 mm. Since the nominal stroke is 20 mm, the usable travel window is 0-20 mm, allowing you to set the exact end position at commissioning without replacing the cylinder.
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 up to 724 N of push force at 0.9 MPa.
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