Airtac SAIJ160 Adjustable Cylinder SAIJ160AX75-50
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX75-50 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 SAIJ160AX75-50
The AirTAC SAIJ160X75-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits up to 50 mm of travel reduction. This creates a usable stroke window of 25 to 75 mm, allowing operators to dial in the exact retract position during commissioning without adding external stops. It delivers a robust 10053 N pull force at 0.5 MPa and operates at speeds between 30 and 500 mm/s.
This heavy-duty unit is equipped with a SUS420J2 stainless steel piston rod (material code A) for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches, though a magnet is not specified for this configuration. The standard SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX75-50 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX75-50 |
|---|---|
| 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 SAIJ160AX75-50
| 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 SAIJ160AX75-50 Is Used
Heavy Press Tuning
Dial in the exact 25 to 75 mm stroke distance during machine setup to accommodate varying material thicknesses in heavy pressing operations.
Product Changeover
Rapidly adjust the retract stopper for different product sizes on a packaging line without physically swapping out the entire cylinder.
Assembly Station Setup
Fine-tune the end-position of heavy 10053 N pull-force assemblies during commissioning to achieve precise mechanical alignment.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX75-50 the Right Cylinder?
Choose this 160 mm bore when your application requires substantial thrust—stepping down to a 125 mm bore yields 5734 N of pull force at 0.5 MPa, which may be insufficient for heavy positioning tasks. The 50 mm adjustment range is highly advantageous for product-size changeovers on a line, as the rear stopper can be fine-tuned on the fly. For strokes of 75 mm, side-load concerns are minimal, but always ensure the M36x2 rod thread is properly aligned.
When selecting an ISO 15552 replacement, match the 160 mm bore, 75 mm nominal stroke, 50 mm adjustment code, PT G3/4 port, and the specific mounting accessory. Remember that the rear adjuster acts solely as a travel stop to decelerate the end-of-stroke position; it does not hold the load without live air pressure. For true load-holding requirements without continuous air, consider the SAIL or BSAI series.
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 SAIJ160AX75-50 FAQ
At a 0.5 MPa operating pressure, the SAIJ160X75-50 generates 14074 N of push force and 10053 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 2050 kgf.
The rear adjuster screw allows you to shorten the 75 mm nominal stroke by up to 50 mm, providing an adjustable travel window between 25 mm and 75 mm. This stopper only decelerates the travel end and does not lock the load without live air.
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