Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 220mm 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
- Stroke220 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20
The AirTAC SAIJ32X220-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 200-220 mm usable travel window. Delivering 402 N of push thrust at 0.5 MPa, it uses a 12 mm rod with an M10x1.25 thread to handle moderate side loads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This variant uses a SUS420J2 stainless steel rod (option A) for improved corrosion resistance and features PT tapered port threads. The rear adjustment screw allows you to fine-tune the retract end position at commissioning without adding external stops. The standard air cushion spans 27 mm, and the unit operates at speeds of 30-800 mm/s.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 220 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 SAIJ32AX220-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×220 | 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 SAIJ32AX220-20 Is Used
Machine Setup Calibration
Dial in the exact 200-220 mm end-position during initial commissioning without swapping cylinders or fabricating external stopper blocks.
Product Changeover
Quickly adjust the retract stroke by up to 20 mm on a packaging line when switching to a slightly shorter product format.
Light Assembly End-Stop
Provides 402 N of push force for precise component seating, using the rear screw to fine-tune the final contact position.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-20 the Right Cylinder?
Choose this 32 mm bore if your application requires up to 402 N of push force at 0.5 MPa; stepping down to a 25 mm bore reduces your thrust, while moving up to a 40 mm bore yields 628 N. The SAIJ32X220-20 is selected over a fixed SAI cylinder when you need a 200-220 mm travel window to dial in the exact end-stop during machine setup or product changeover. To match this ISO 15552 replacement, specify the 32 mm bore, 220 mm stroke, 20 mm adjustment, PT G1/8 port, and no magnet.
Because the nominal stroke is 220 mm, side-load risks are moderate, but always guide the load externally if heavy lateral forces are present. Remember that the rear adjuster is a travel stop, not a lock; the SAIJ32X220-20 will not hold its load without live air pressure, so use a SAIL or BSAI cylinder if fail-safe holding is required.
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 SAIJ32AX220-20 FAQ
At an operating pressure of 0.5 MPa, the 32 mm bore generates 402 N of push thrust and 345 N of pull thrust. At the maximum pressure of 1.0 MPa, it provides up to 82 kgf.
The rear adjuster screw lets you shorten the effective stroke from the nominal 220 mm down to 200 mm. This creates a 200-220 mm travel window for fine-tuning the end position at commissioning without changing the cylinder.
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