Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 500mm 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
- Stroke500 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40
The AirTAC SAIJ32X500-40 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 460-500mm usable travel window, allowing you to dial back the 500mm nominal stroke by up to 40mm during commissioning. Delivering 402N of push force at 0.5 MPa, it suits lighter-duty tasks requiring exact end-position tuning.
This variant uses a SUS304 stainless steel rod for superior corrosion resistance and operates at speeds of 30-800mm/s. The extruded aluminum barrel includes sensor grooves on both sides, though this specific SKU omits the magnet, so external position sensing is not supported without modification. The rear screw acts purely as a travel stop to fine-tune deceleration, not as a load lock.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 500 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 SAIJ32BX500-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×500 | 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 SAIJ32BX500-40 Is Used
Commissioning Calibration
Fine-tune the 460-500mm travel window during machine setup to perfectly strike a target without machining custom spacers.
Product Changeover
Quickly adjust the retract end-position by up to 40mm on a packaging line when handling different product sizes.
Light Assembly Push
Utilize the 402N push force at 0.5 MPa for delicate component placement where the final stop point must be dialed in precisely.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40 the Right Cylinder?
Choose this 32mm bore when an application demands precise variable end-stops without adding external physical stops to your machine. If your setup requires greater thrust, stepping up to the 40mm bore yields 628N of push force at 0.5 MPa. Because the 500mm stroke is relatively long for a 32mm rod, external guidance is recommended to prevent excessive side-loading and rod binding.
To match this ISO 15552 cylinder for a replacement, verify the 500mm stroke, 40mm adjustment range, PT tapered port threads, and the standard mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that the SAIJ rear adjuster cannot hold a load without live air pressure; for true load-holding, consider an AirTAC SAIL or BSAI series cylinder.
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 SAIJ32BX500-40 FAQ
At 0.5 MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At a maximum 1.0 MPa, it can deliver up to 82kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from 500mm down to 460mm. It sets the travel end and works with the air cushion for deceleration, but it does not lock the load without continuous air pressure.
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