Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-30 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 SAIJ160BX270-30
The AirTAC SAIJ160X270-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 240-270 mm usable travel window. It delivers substantial thrust, pushing with 14074 N and pulling with 9425 N at 0.7 MPa. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This heavy-duty unit is built with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The rear adjuster acts purely as a mechanical stop to fine-tune the retract position, working alongside the 50 mm air cushions to decelerate the load smoothly at travel ends.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-30 |
|---|---|
| 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 SAIJ160BX270-30
| 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 SAIJ160BX270-30 Is Used
Machine Changeover
Dial in the retract position within the 240-270 mm window during product size changes without bolting on external stops or swapping the cylinder.
Heavy Pressing
Leverage the 14074 N push force at 0.7 MPa for high-tonnage forming or pressing tasks requiring precise end-position tuning.
Commissioning Calibration
Fine-tune the end-of-stroke position during initial setup to absorb mechanical tolerances and achieve exact clamping distances.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX270-30 the Right Cylinder?
Choose this 160 mm bore when an application requires high force that exceeds the 5497 N push capacity of the 100 mm bore at 0.7 MPa. The adjustable stroke is ideal for machine changeovers, allowing operators to dial in the exact end position within the 240-270 mm window without swapping cylinders or adding external stops. Because the stroke is 270 mm, an external guide is recommended to prevent excessive side-loading on the rod.
For an ISO 15552 replacement, match the 160 mm bore, 270 mm stroke, 30 mm adjustment, PT G3/4 port, and standard mounting options (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that the rear adjuster and air cushions do not hold the load without live air; for fail-safe load holding, consider the SAIL or BSAI series instead.
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 SAIJ160BX270-30 FAQ
At 0.7 MPa, this 160 mm bore cylinder provides a push force of 14074 N and a pull force of 9425 N. At the maximum operating pressure of 1.0 MPa, the push force reaches 18095 N.
The rear adjuster acts as a mechanical stop that lets you shorten the effective travel from the nominal 270 mm down to 240 mm. It only sets the travel end and decelerates the load with air cushions; it does not lock or hold the load without continuous air pressure.
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