Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 800mm 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
- Stroke800 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20S
The AirTAC SAIJ32X800-20-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a 32mm bore and an 800mm stroke. A rear adjusting screw allows you to fine-tune the effective travel, providing a usable window from 780 to 800mm. This mechanism enables precise end-position calibration at commissioning or during product changeovers without swapping the cylinder or adding external stops. It delivers 402N of push force and 345N of pull force at 0.5MPa.
This variant includes a magnet for CMSE reed and DMSE solid-state sensors, utilizing the dual sensor grooves extruded into the aluminum barrel. The piston rod uses SUS420J2 stainless steel (A code) for enhanced corrosion resistance, paired with PT tapered port threads (G1/8). The rear adjuster and dual air cushions strictly decelerate the load at travel ends; this cylinder does not hold position without live air, so consider SAIL or BSAI variants for true load-holding requirements.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 800 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 SAIJ32AX800-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×800 | 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 SAIJ32AX800-20S Is Used
Long-Travel Positioning
Dial in the exact end-stop on an 800mm transfer arm, trimming back up to 20mm to perfect the pickup location without machining new hard stops.
Product Changeover Lines
Adapt a packaging conveyor for varying carton lengths by turning the rear adjuster screw to shift the retraction point, saving setup time between production runs.
Sensor-Equipped Automation
Leverage the integrated magnet and dual barrel grooves to mount DMSE solid-state sensors for precise end-of-stroke confirmation in automated assembly cells.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-20S the Right Cylinder?
Choose this 32mm bore adjustable-stroke cylinder when your application requires exact end-stop tuning on a long 800mm travel, avoiding the fixed-length limitations of a standard SAI model. If your application requires higher force, stepping up to a 40mm bore yields 628N of push force at 0.5MPa, but the 32mm bore is highly effective for lighter-duty positioning. Because the stroke is 800mm, the 12mm rod diameter necessitates an external guide to prevent excessive side-loading and premature seal wear over long unsupported distances.
For a direct ISO 15552 replacement, match the 32mm bore, 800mm stroke, 20mm adjustment range, PT G1/8 port, and the -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR brackets. The standard speed range is 30-800mm/s, and the variable air cushions at both ends provide 27mm of cushioning travel to manage kinetic energy.
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 SAIJ32AX800-20S FAQ
At an operating pressure of 0.5MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At the maximum rated pressure of 1.0MPa, it delivers up to 82kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the nominal 800mm stroke by up to 20mm, creating a 780-800mm usable travel window. The adjuster and air cushions only manage travel end deceleration; they do not lock the load without continuous air pressure.
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