
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32BX950-50 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 SAIJ32X950-50 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling you to dial back the travel by up to 50 mm. This yields a usable end-position window of 900 to 950 mm, ideal for fine-tuning machinery setup without external stops.
Built with a SUS304 stainless steel rod, this unit handles corrosive environments better than standard carbon steel. The extruded aluminum barrel features sensor grooves on both sides, though this specific SKU omits the magnet, so external sensors will not detect piston position. The rear adjuster acts purely as a travel stop for deceleration and positioning, not as a lock.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX950-50 |
|---|---|
| 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.
Dial in the 900-950 mm stroke window during product line changeovers without swapping cylinders or adding external mechanical stops.
The SUS304 stainless steel rod withstands moisture and washdowns while providing precise end-stop tuning for automated processing equipment.
Because the stroke is 950 mm, the 12 mm rod and M10x1.25 thread will experience significant side-loading if the load is unsupported; an external guide rail is strongly recommended to prevent premature seal wear.
The adjustable rear screw is selected over a fixed SAI cylinder when you need commissioning flexibility or frequent product-size changeovers. Note that the rear adjuster and air cushions do not hold the load without live air pressure; for true pneumatic locking, consider the SAIL or BSAI series. This unit uses PT tapered port threads and supports the SAIJ mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR).
Quick checklist
At the maximum operating pressure of 1.0 MPa, it delivers up to 82 kgf.
A rear adjusting screw acts as a travel stop, allowing you to mechanically shorten the 950 mm nominal stroke by up to 50 mm. This creates a 900-950 mm usable travel window for fine-tuning at commissioning. The adjuster is a stop only and does not lock the load without live air pressure.
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