
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX950-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 950mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAIJ32X950-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits a usable travel window of 850 to 950 mm. The extended 950 mm stroke approaches the maximum standard limit for this bore size, making the 100 mm adjustment range highly practical for dialing in exact end positions during machine commissioning.
This variant features a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides for mounting CMSE reed or DMSE electronic solid-state switches, though this specific SKU is configured without a piston magnet. The rear adjuster acts solely as a travel stop to fine-tune the retract position and does not lock the load without live air pressure.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX950-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 950 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 346 N | 346 N |
| 0.7 MPa | 484 N | — |
| Max (@1.0 MPa) | 70 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×950 | 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.
Dials in the retract distance within an 850 to 950 mm window to accommodate different material lengths on a packaging line without changing out the entire actuator.
Allows operators to fine-tune the exact end position during initial setup, compensating for mechanical tolerance stack-up across a long 950 mm travel distance.
Facilitates rapid reconfiguration of automated machinery when switching between product variants, using the 100 mm rear adjustment screw to set new retract limits.
Choose this adjustable model when a 32 mm bore provides sufficient thrust but the exact end-of-stroke position requires field tuning, eliminating the need to swap cylinders or add external stopper blocks. If your application requires greater force, stepping up to a 40 mm bore increases push force to 628 N at 0.5 MPa. The SAIJ32X950-100 uses a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options.
Because the 950 mm stroke is quite long for a 32 mm bore, the 12 mm rod will experience greater deflection under side loads; an external guide rail is strongly recommended to prevent premature seal wear. For any load-holding requirements without continuous air pressure, this cylinder is insufficient since the rear adjuster is not a brake—consider the SAIL (air-released lock) or BSAI (clamp-lock) series instead. To replace this unit, match the 32 mm bore, 950 mm stroke, 100 mm adjustment, PT G1/8 port, and the required mounting interface.
Quick checklist
It operates at speeds between 30 and 800 mm/s.
The rear adjuster acts as a mechanical stop that allows you to shorten the effective stroke by up to 100 mm, creating a usable travel window of 850 to 950 mm. It is a travel stop, not a lock, and does not hold the load without live air pressure.
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