Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 750mm 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
- Stroke750 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40S
The AirTAC SAIJ32X750-40-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 710 to 750 mm, allowing you to fine-tune the retract end-position by up to 40 mm during commissioning without adding external stops. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS420J2 stainless steel rod for enhanced corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors.
This 32 mm bore model uses a PT tapered G1/8 port and achieves speeds of 30-800 mm/s. The extruded aluminum barrel incorporates sensor grooves on both sides, and the mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2. The rear adjuster functions strictly as a travel stop for deceleration, not a load-holding lock.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 750 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 SAIJ32AX750-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×750 | 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 SAIJ32AX750-40S Is Used
Machine Changeover
Dial in the 710-750 mm travel window during product-size changeovers without physically swapping the cylinder or reworking external stop hardware.
End-Position Tuning
Use the 40 mm rear adjuster to fine-tune the retract stroke at commissioning, compensating for mechanical tolerance stack-ups.
Diversion Gates
Actuate conveyor routing gates where the exact end-stop position varies slightly by package size, using the integrated magnet for DMSE sensor feedback.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40S the Right Cylinder?
Choose this 32 mm bore when 402 N of push force at 0.5 MPa is sufficient, stepping down from a 40 mm bore that yields 628 N. An adjustable stroke is selected over a fixed SAI when a machine requires variable end-stops or product-size changeovers. To replace an ISO 15552 cylinder, match the 32 mm bore, 750 mm stroke, PT G1/8 port, and the -S magnet. Because the 750 mm stroke is long, an external guide is recommended to manage side-load and prevent rod bending.
For applications needing to hold a load without live air pressure, note that the SAIJ rear adjuster and air cushions do not function as a lock. You must use an external pilot-operated check valve or select an AirTAC SAIL or BSAI series cylinder for secure load-holding.
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 SAIJ32AX750-40S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder generates 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it reaches 82 kgf.
The rear adjuster acts as a mechanical stop that allows you to shorten the effective stroke by up to 40 mm, providing a usable travel window of 710 to 750 mm. It only sets the end position and does not lock the load.
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