
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX950-50 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 featuring a rear-mounted stroke adjuster. It provides a usable travel window of 900 to 950 mm, allowing you to dial back the nominal stroke by up to 50 mm during commissioning without adding external stops.
This variant uses an SUS420J2 stainless steel rod (option A) for improved corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches, though this specific SKU is configured without a magnet. The rear adjuster acts purely as a mechanical stop to fine-tune the end position and does not hold the load without live air pressure.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX950-50 |
|---|---|
| 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 exact retract position within the 900-950 mm window during machine setup, eliminating the need to swap cylinders for minor product size changes.
Ideal for automated lines running multiple product lengths, letting operators fine-tune the stroke end via the rear stopper rather than reprogramming fixed hard stops.
Choose this 32 mm bore adjustable cylinder when an application requires precise end-position tuning over a long 950 mm travel. The adjustable stroke is ideal for product changeovers where the exact end-of-stroke varies slightly, unlike a fixed-stroke SAI cylinder.
Because the 950 mm stroke is substantial for a 32 mm bore, an external guide is highly recommended to prevent rod sag and side-load damage, despite the robust M10x1.25 rod thread. For any load-holding requirements without continuous air pressure, this cylinder is insufficient as the adjuster is only a stop; consider the SAIL (air-released lock) or BSAI (clamp-lock) series instead. When matching for ISO 15552 interchangeability, verify the 32 mm bore, 950 mm stroke, 50 mm adjuster, PT port, and mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
Quick checklist
It operates at a speed of 30 to 800 mm/s and uses a G1/8 port.
The rear adjuster screw lets you mechanically shorten the effective travel from 950 mm down to 900 mm. It functions as a physical stop for end-position tuning and is not a lock; the cylinder cannot hold a load without live air pressure.
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