Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 650mm 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
- Stroke650 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50S
The AirTAC SAIJ32X650-50-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 402N of push force at 0.5 MPa and features a 650 mm nominal stroke that can be fine-tuned down by up to 50 mm, creating a precise 600-650 mm usable travel window. This built-in adjustability allows operators to dial in exact end positions during machine commissioning without adding external stops.
This SKU includes an SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and carries a -S magnet for position sensing. The extruded aluminum barrel houses sensor grooves on both sides, directly supporting AirTAC CMSE reed and DMSE electronic solid-state switches. It uses a PT G1/8 port and operates at speeds between 30-800 mm/s.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 650 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 SAIJ32AX650-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×650 | 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 SAIJ32AX650-50S Is Used
Variable End-Stop Positioning
Dial in the exact retraction point within the 600-650 mm window during machine commissioning to accommodate different product lengths without swapping hardware.
Product Size Changeover
Quickly adjust the rear stopper by up to 50 mm on packaging lines to handle varying package dimensions on the fly, minimizing downtime between production runs.
Long-Travel Diverting
Utilize the 650 mm stroke with a 12 mm carbon steel core rod for extended reach sorting tasks, relying on the built-in magnet for precise end-of-stroke confirmation.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50S the Right Cylinder?
Choose this 32 mm bore when an application requires 402N of push force at 0.5 MPa but demands flexible end-positioning over a long 600-650 mm travel range. If your setup requires less force, stepping down is not an option in this size class, but stepping up to a 40 mm bore yields 628N of push force. The adjustable rear stopper acts solely as a travel end-stop and does not hold the load without live air pressure; for true pneumatic locking without air, consider the SAIL or BSAI series.
Because this cylinder features a 650 mm stroke, the 12 mm rod should be externally guided to prevent excessive side-loading and premature seal wear. To match this exact ISO 15552 replacement, specify: 32 mm bore, 650 mm stroke, 50 mm adjustment, PT G1/8 port, SUS420J2 rod, and a magnet for CMSE/DMSE sensors. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ32AX650-50S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402N of push force and 345N of pull force. At the maximum 1.0 MPa pressure, it achieves a push force of 724N.
The rear adjuster screw allows you to shorten the effective travel from the 650 mm nominal stroke by up to 50 mm, providing a usable stroke range of 600-650 mm. This stopper only sets the travel end and does not lock the load without continuous air pressure.
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