Airtac Adjustable Cylinder SAIJ32 SAIJ32AX200-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX200-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 200mm 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
- Stroke200 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX200-50
The AirTAC SAIJ32X200-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down from the 200 mm nominal stroke by up to 50 mm. This yields a usable end-position window of 150 to 200 mm, enabling precise commissioning without physically swapping the actuator. It delivers a push force of 402 N and a pull force of 345 N at 0.5 MPa, making it well-suited for compact, low-to-medium force handling tasks.
This variant uses a SUS420J2 stainless steel piston rod (option A) for enhanced corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of position switches. Because the rear screw mechanism acts strictly as a mechanical stop to set deceleration and end-position, it does not hold the load without live air pressure; for load-holding applications without continuous air, consider the SAIL or BSAI series.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX200-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX200-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 200 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 SAIJ32AX200-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×200 | 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 SAIJ32AX200-50 Is Used
Machine Changeover
Dial in the 150 to 200 mm travel window during product size changes without swapping out the physical actuator or adding external shims.
Variable End-Stop Diverter
Provides adjustable reach for pushing items of varying widths off a belt, allowing the rear stopper to set the exact retraction point.
Commissioning Fine-Tuning
Saves setup time on new machinery by letting technicians finely adjust the end-of-stroke position at the cylinder rather than moving hard mounts.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX200-50 the Right Cylinder?
Choose this 32 mm bore when your application requires approximately 402 N of push force at 0.5 MPa, and step up to the 40 mm bore if you need a higher thrust of 628 N. The adjustable stroke is ideal for machines that process multiple product sizes, allowing operators to dial in the end-stop via the rear screw during changeovers rather than adding external spacers or replacing a fixed-stroke SAI cylinder. The pneumatic cushioning at both ends helps absorb impact at the end of travel.
When configuring a replacement, match the 32 mm bore, 200 mm stroke, 50 mm adjustment range, PT tapered port threads, and the Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting interfaces. Note that SAIJ omits the FB, CA, CB, and CR mountings. Because the 200 mm stroke is relatively long for a 32 mm rod, an external guide is recommended to prevent excessive side-loading and rod deflection.
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 SAIJ32AX200-50 FAQ
At an operating pressure of 0.5 MPa, this 32 mm bore cylinder provides a push force of 402 N and a pull force of 345 N. At 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 200 mm nominal stroke by up to 50 mm, creating a usable travel window of 150 to 200 mm. It sets the end position and decelereration point but does not lock the load without live air pressure.
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