Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 75mm 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
- Stroke75 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-20
The AirTAC SAIJ160X75-20 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that creates a 55-75mm usable travel window from its 75mm nominal stroke. Built with a SUS304 stainless steel rod and PT tapered ports, it delivers a robust 14074N pull force at 0.7MPa for heavy-duty positioning. This configuration allows technicians to dial in the retract end-position precisely during commissioning without adding external stops.
Because the rear adjuster functions purely as a mechanical stop, it cannot hold a load without continuous air pressure; true load-holding requires a SAIL or BSAI variant. The extruded aluminum barrel includes sensor grooves on both sides, supporting CMSE reed or DMSE solid-state switches if a magnet is added later. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 75 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 SAIJ160BX75-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×75 | 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 SAIJ160BX75-20 Is Used
Heavy Press Tuning
Dial in the exact 55-75mm retract distance during machine setup to accommodate varying material thicknesses without changing the cylinder.
Product Changeover
Quickly adjust the end-stop position on automated lines when switching between different product sizes, minimizing commissioning delays.
High-Force Positioning
Leverage the 18095N pull force at 0.9MPa to move heavy pallets or fixtures, using the rear screw to fine-tune the final resting position.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-20 the Right Cylinder?
Choose this 160mm bore when your application requires the 14074N pull force at 0.7MPa, stepping up from a 125mm bore that yields 8590N. The 20mm adjustment range is ideal for product changeovers where the exact retract distance varies slightly, saving the downtime of physically swapping a fixed-stroke SAI cylinder. To match this ISO 15552 interchangeable replacement, specify the 160mm bore, 75mm stroke, 20mm adjustment, PT G3/4 port, SUS304 (B) rod material, and no magnet.
Although the 75mm stroke is short, the 40mm rod diameter provides excellent resistance to side-load deflection. For any future selections with strokes of 300mm or more, an external guide is mandatory to prevent rod binding and premature seal wear.
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 SAIJ160BX75-20 FAQ
At an operating pressure of 0.7 MPa, this 160mm bore cylinder provides a push force of 14074N and a pull force of 9425N. At 0.9 MPa, the pull force increases to 18095N.
The rear adjuster acts as a mechanical stop that can shorten the 75mm nominal stroke by up to 20mm, creating a usable travel window of 55-75mm. It only sets the end position and does not lock the load without live air pressure.
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