Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 900mm 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
- Stroke900 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40S
The AirTAC SAIJ32X900-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates an 860-900mm usable travel window from its 900mm nominal stroke. It delivers 402N of push force at 0.5MPa, utilizing a 12mm SUS420J2 stainless steel rod to withstand demanding environments. Equipped with a magnet, it integrates seamlessly with AirTAC CMSE reed and DMSE electronic sensors housed in the dual-side extruded barrel grooves.
This adjustable-stroke design allows precise end-position tuning during commissioning without external stops. It uses a PT G1/8 port and includes variable air cushions at both ends. The rear adjuster acts strictly as a travel stop for deceleration, not a load-holding lock, meaning live air is required to maintain position against loads.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 900 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 SAIJ32AX900-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×900 | 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 SAIJ32AX900-40S Is Used
Long-Stroke Component Seating
Dial in the exact 860-900mm seating depth for delicate components during assembly, using the rear screw to fine-tune the final position without repositioning physical hard stops.
Variable Product Diversion
Adjust the retract end-position on a packaging line to accommodate different carton sizes on the fly, ensuring precise diverting distances without changing the actuator.
Machine Commissioning
Trim the effective stroke by up to 40mm during initial machine setup to synchronize multi-axis movements perfectly, avoiding the need to order a custom non-standard stroke cylinder.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40S the Right Cylinder?
Choose this 32mm bore when an application requires 402N push force at 0.5MPa with fine-tuned positioning over a long 860-900mm travel range. If your setup needs greater thrust, stepping up to the 40mm bore yields 628N at 0.5MPa. Because the 900mm stroke is substantial for a 32mm rod, an external guide is highly recommended to prevent excessive side-loading and rod binding.
Select this adjustable SAIJ variant over a fixed SAI cylinder when machine changeovers demand variable end-stops without physically swapping the actuator. For exact ISO 15552 replacement matching, confirm the 32mm bore, 900mm stroke, 40mm adjustment, PT G1/8 port, and the -S magnet option. Note that for load-holding without continuous air pressure, a SAIL or BSAI locking cylinder is required instead of relying on the adjuster.
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 SAIJ32AX900-40S FAQ
At 0.5MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. It can reach a maximum push force of 724N at 0.9MPa.
The rear adjuster screw allows you to shorten the 900mm nominal stroke by up to 40mm, providing an adjustable travel window between 860mm and 900mm. This acts as a mechanical stop for end-position tuning and does not lock the load without live air pressure.
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