Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-30S 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 SAIJ32BX500-30S
The AirTAC SAIJ32X500-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster, enabling you to dial back the nominal 500 mm travel to a precise 470-500 mm window during commissioning. It delivers 402 N of push force at 0.5 MPa, scaling to 724 N at 0.9 MPa, making it suitable for lighter-duty positioning tasks. This variant includes a SUS304 stainless steel rod for superior corrosion resistance and an integrated magnet (-S) for use with CMSE reed and DMSE electronic sensors.
Equipped with a 12 mm rod and M10x1.25 thread, this unit utilizes PT tapered ports and relies on 27 mm air cushions at both ends to manage end-of-stroke impacts. The rear adjuster acts strictly as a travel stop to fine-tune the retract position without needing external stops, but it does not hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-30S |
|---|---|
| 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 SAIJ32BX500-30S
| 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 SAIJ32BX500-30S Is Used
Variable End-Stop Tuning
Dial in the exact retract distance within the 470-500 mm window during machine commissioning, avoiding the need to machine external stopper blocks.
Product Changeover
Quickly adjust the effective stroke by up to 30 mm to accommodate slightly different product lengths on a packaging line without changing the cylinder.
Light-Duty Positioning
Utilize the 402 N push force at 0.5 MPa and SUS304 rod for precise, corrosion-resistant movement in smaller automated assembly tools.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-30S the Right Cylinder?
Choose this 32 mm bore when your application requires the 402 N push force at 0.5 MPa, stepping down from a 40 mm bore that provides 628 N, or up if you need more power. The adjustable stroke is ideal for machine setups requiring variable end-stops or product changeovers, allowing you to trim up to 30 mm without swapping the cylinder. Because the 500 mm stroke is substantial, the 12 mm rod will still need an external guide to prevent excessive side-loading damage.
To match this ISO 15552 interchangeable cylinder, specify a 32 mm bore, 500 mm stroke, 30 mm adjustment, PT port threads, and a magnet for CMSE / DMSE sensors. Remember that the rear adjuster and air cushions only set travel limits and deceleration; they do not function as a lock. If you need true load-holding without live pressure, select the SAIL (air-released lock) or BSAI (clamp-lock) series instead. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ32BX500-30S FAQ
At 0.5 MPa it provides 402 N of push force and 345 N of pull force. At 0.9 MPa, the push force increases to 724 N.
The rear adjuster allows you to shorten the effective travel from the nominal 500 mm down to a minimum of 470 mm. It acts as a physical stop to set the end position, but it is not a lock and will not hold the load without live air pressure.
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