Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-50S 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 SAIJ32AX800-50S
The AirTAC SAIJ32X800-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end position. With a nominal 800 mm stroke and a 50 mm adjustment range, it provides a usable travel window of 750-800 mm. This enables precise end-position tuning at commissioning without swapping the cylinder or adding external stops. It delivers 402 N of pull force at 0.5 MPa and includes a -S magnet for position sensing.
This model uses a SUS420J2 stainless steel rod (option A) for improved corrosion resistance and features PT tapered port threads (G1/8). The extruded aluminum barrel includes sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic solid-state switches. Remember that the rear adjuster acts only as a travel stop to set deceleration alongside the air cushions; it does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-50S |
|---|---|
| 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 SAIJ32AX800-50S
| 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 SAIJ32AX800-50S Is Used
Machine Changeover
Dial in the 750-800 mm retract end-position during product size changes on a packaging line without disassembling the actuator setup.
Variable End-Stop
Adjust the travel limit on the fly for a conveyor sorting pusher to accommodate different package lengths on the fly.
Commissioning Fine-Tune
Trim the effective stroke by up to 50 mm during initial machine commissioning to perfectly time a long-throw assembly process.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX800-50S the Right Cylinder?
Choose this 32 mm bore when you need 402 N pull force at 0.5 MPa and a highly adjustable 800 mm travel. If your application requires greater thrust, stepping up to a 40 mm bore provides 528 N of pull force. The adjustable stroke is ideal for machine setups requiring variable end-stops or product changeovers, whereas a fixed SAI cylinder is better for set-and-forget applications. To replace this ISO 15552 cylinder, match the 32 mm bore, 800 mm stroke, 50 mm adjustment, PT G1/8 port, and -S magnet.
Because the 800 mm stroke is long, the 12 mm rod and M10x1.25 thread will experience amplified side loads if the load is unsupported; an external guide rail is strongly recommended to prevent binding. For load-holding without live air pressure, the rear adjuster and air cushions are insufficient—consider an AirTAC SAIL pneumatic lock, BSAI clamp-lock, or an external rod lock.
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 SAIJ32AX800-50S FAQ
The rear adjuster screw acts as a mechanical stop that trims the effective stroke. For this model, you can shorten the 800 mm nominal travel by up to 50 mm, giving an adjustable window of 750-800 mm. It sets the travel end and deceleration point but does not lock the load.
At 0.5 MPa, it provides 402 N of push force and 345 N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers up to 801 kgf (equivalent to 7856 N) of push force.
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