Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 900mm 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
- Stroke900 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-20S
The AirTAC SAIJ160X900-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing an exact usable travel window of 880 to 900 mm. Built with a SUS420J2 stainless steel rod and a PT tapered port, it delivers massive thrust up to 18095 N at 0.9 MPa. The integrated -S magnet enables precise position detection with CMSE reed or DMSE electronic sensors.
This adjustable-stroke design allows you to fine-tune the retract end-position at commissioning without swapping the cylinder or adding external stops. The rear adjuster acts purely as a travel stop and does not hold the load without live air. For load-holding requirements without pneumatic pressure, consider an external rod lock or the AirTAC BSAI clamp-lock series.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 900 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 SAIJ160AX900-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×900 | 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 SAIJ160AX900-20S Is Used
Heavy Press Tuning
Dial in the exact 880-900 mm end-stop during heavy press commissioning to accommodate material thickness variations without changing the fixture.
Product Changeover
Adjust the retract position on the fly for different pallet sizes on a conveyor line, utilizing the 20 mm trim range to avoid reprogramming stops.
Large Assembly Setup
Position heavy automotive or industrial components precisely, relying on the 18095 N push force and SUS420J2 rod for durability in harsh environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-20S the Right Cylinder?
Selecting this 160 mm bore cylinder makes sense when your application requires heavy thrust, such as the 14074 N push force at 0.7 MPa, combined with precise end-position tuning. If you need less force, stepping down to a 125 mm bore yields 8590 N at 0.7 MPa. The adjustable 880-900 mm window is ideal for product changeovers on a line, whereas a fixed SAI cylinder lacks this commissioning flexibility. To match this ISO 15552 replacement exactly, specify the 160 mm bore, 900 mm stroke, 20 mm adjustment, PT port thread, SUS420J2 rod, and the -S magnet option.
Because the 900 mm stroke is long and unsupported, an external guide is strongly recommended to manage side loads and prevent rod binding. The 40 mm rod and M36x2 thread provide robust mechanical strength, but the cylinder itself cannot hold position unpowered. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR.
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 SAIJ160AX900-20S FAQ
At 0.9 MPa operating pressure, this 160 mm bore cylinder provides a push force of 18095 N and a pull force of 9425 N. At 0.5 MPa, the push force is 10053 N.
The rear adjuster screw allows you to shorten the effective stroke by up to 20 mm, creating a usable travel window of 880 to 900 mm. It functions as a mechanical stop for end-position tuning and is not a locking device.
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