Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ32 mm
- Stroke220 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40
The AirTAC SAIJ32X220-40 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to dial back the nominal 220 mm travel by up to 40 mm. This creates a usable 180-220 mm end-position window, letting you fine-tune the retract distance at commissioning without swapping the cylinder or adding external stops.
This SKU is built with a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of position switches. It uses a PT tapered port thread (G1/8) and relies on variable air cushions at both ends to decelerate the load—the rear adjuster acts purely as a mechanical stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40 |
|---|---|
| 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 | 346 N | 346 N |
| 0.7 MPa | 484 N | — |
| Max (@1.0 MPa) | 70 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40
| 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 SAIJ32AX220-40 Is Used
Machine Setup & Changeover
Dial in the exact retract distance between 180 and 220 mm during product size changeovers without physically replacing the cylinder or adding external shims.
Variable End-Stop Tuning
Use the 40 mm adjustment window to fine-tune the final end position at commissioning, compensating for mechanical tolerances in the fixture assembly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX220-40 the Right Cylinder?
The adjustable stroke is ideal for machine setups requiring variable end stops or product-size changeovers, whereas a fixed-stroke SAI cylinder is better when the travel distance is permanently locked. Because this is a 220 mm stroke, the 12 mm rod and M10x1.25 rod thread will experience some side-load leverage; for optimal seal life and smooth operation, use an external guide rail to support the load.
When matching this for an ISO 15552 replacement, verify the 32 mm bore, 220 mm stroke, 40 mm adjustment range, PT G1/8 port, and required mounting bracket (Basic, FA, LB, TC, FTC, TCM1, or TCM2—note that FB, CA, CB, and CR mounts are omitted from the SAIJ series). Since no magnet is specified, this unit will not work with reed or electronic sensors without upgrading to an -S model.
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 SAIJ32AX220-40 FAQ
At 0.7 MPa, the push force increases to 563 N.
The -40 adjustment code means the 220 mm nominal stroke can be mechanically shortened by up to 40 mm via a rear screw stopper, giving a usable travel window of 180-220 mm. This stopper only sets the end position; it does not lock or hold the load without continuous air pressure.
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Standard models are processed and dispatched in 3-5 business days.
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