Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-100
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 270mm 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
- Stroke270 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-100
The AirTAC SAIJ160X270-100 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 170 to 270 mm, allowing you to dial back the nominal stroke by up to 100 mm during commissioning without adding external stops. The 160 mm bore delivers substantial force, generating 14074 N of push thrust at 0.7 MPa.
This variant features a SUS304 stainless steel rod (code B) for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel incorporates sensor grooves on both sides for straightforward position detection. The rear adjuster acts purely as a mechanical stop to fine-tune the end position; it does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-100 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 270 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 SAIJ160BX270-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×270 | 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 SAIJ160BX270-100 Is Used
Machine Setup Changeover
Dial in the exact 170 to 270 mm end-stop during product family changeovers without swapping out the entire cylinder or adding external shims.
Heavy Assembly Positioning
Leverage the 14074 N push force at 0.7 MPa to move heavy structural components into precise final alignment before fastening.
Variable End-Stop Conveying
Adjust the retract distance on the fly to accommodate different package sizes or part lengths moving through a high-force production cell.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-100 the Right Cylinder?
Choose this 160 mm bore if your application requires heavy thrust beyond the 100 mm bore (5497 N at 0.7 MPa) but less than the massive 200 mm class (21991 N). The adjustable stroke is ideal for product-size changeovers on a line, where a fixed-stroke SAI cylinder would require physical shimming. If you need to hold a load vertically without continuous air pressure, select the SAIL (air-released lock) or BSAI (clamp-lock) instead, as the SAIJ adjuster is only a travel stop. When replacing an ISO 15552 cylinder, match the 160 mm bore, 270 mm stroke, 100 mm adjustment, PT G3/4 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the stroke is under 300 mm, side-load risks are moderate, but the robust 40 mm rod and M36x2 thread handle typical stresses well.
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 SAIJ160BX270-100 FAQ
At 0.7 MPa operating pressure, the 160 mm bore generates 14074 N of push thrust and 9425 N of pull thrust. At 0.5 MPa, it provides 10053 N push and 9425 N pull.
The rear adjuster allows you to mechanically shorten the effective stroke from 270 mm down to 170 mm. This creates a 170-270 mm travel window for fine-tuning the retract end position at commissioning, without needing to replace the cylinder.
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