Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 950mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ160 mm
- Stroke950 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20S
The AirTAC SAIJ160X950-20-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 930-950 mm, letting you fine-tune the retract end-position by up to 20 mm during commissioning without adding external stops. Built with a robust 40 mm piston rod, it generates a substantial 14074 N of push force at 0.7 MPa.
This specific SKU includes an SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and pairs with PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated magnet (-S) supports position feedback via AirTAC CMSE reed and DMSE electronic sensors. Mounting options utilize the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 950 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max stroke | Up to 1500 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | 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.
Where the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20S Is Used
Heavy Press Changeover
Dial in the exact 930-950 mm end-stop during product size changes on heavy presses without swapping out the entire actuator.
Long-Stroke Assembly Jigs
Provides the 14074 N push force needed to seat large components, while the rear screw allows precise alignment tuning at machine setup.
Variable Position Indexing
Use the 20 mm adjustment window to fine-tune the retract position of large packaging molds, ensuring precise indexing before locking down the tooling.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20S the Right Cylinder?
Select this 160 mm bore cylinder when an application requires high force—stepping down to a 125 mm bore drops the 0.7 MPa push force to 8590 N. Choose the adjustable SAIJ over a fixed-stroke SAI when a machine setup requires variable end-stops for product changeovers. Note that the rear adjuster acts only as a mechanical stop to set deceleration; it does not hold the load without live air. For fail-safe load holding, use an external pilot-operated check valve or explore the SAIL or BSAI series.
Because the 950 mm stroke is long and unsupported, an external guide is strongly recommended to prevent rod side-loading and premature wear. To replace an ISO 15552 cylinder, match the 160 mm bore, 950 mm stroke, 20 mm adjustment, PT G3/4 port, and the desired mounting from the available set.
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 SAIJ160 Adjustable Cylinder SAIJ160AX950-20S FAQ
The rear adjuster screw allows you to shorten the effective stroke by up to 20 mm, creating a usable travel window of 930-950 mm. It functions as a mechanical stop to set the travel end and does not lock or hold the load without continuous air pressure.
At an operating pressure of 0.7 MPa, the SAIJ160X950-20-S generates a push force of 14074 N and a pull force of 9425 N. The maximum push force reaches 18095 N at 0.9 MPa.
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