Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-75
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 170mm 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
- Stroke170 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-75
The AirTAC SAIJ160X170-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. By dialing the external stopper, you can shorten the effective travel from 170 mm down to 95 mm, creating a 75 mm adjustment window for precise end-position tuning during commissioning. It delivers a robust 18095 N pull force at 0.9 MPa.
This bore uses a 40 mm carbon steel rod with an M36x2 thread, providing high rigidity against side loads, though external guides remain essential for unsupported masses. The extruded aluminum barrel includes dual sensor grooves, and the mounting set covers Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-75 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 170 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 SAIJ160X170-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×170 | 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 SAIJ160X170-75 Is Used
Heavy Press Positioning
Dial in the exact 95 to 170 mm end position for large pressing operations without physically swapping the actuator.
Machine Changeover
Quickly adjust the retract stop to accommodate new product sizes on a heavy-duty conveyor line.
Large Assembly Stops
Set precise variable end stops for massive robotic assembly tools requiring high push and pull forces.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-75 the Right Cylinder?
Choose this 160 mm bore when a 100 mm bore (delivering 7068 N push at 0.9 MPa) is insufficient for heavy positioning tasks. The adjustable rear stopper is ideal for machine changeovers, letting you shift the end position without swapping cylinders or adding external stops. The PT tapered port threads ensure a tight, reliable pneumatic seal.
Because the stroke is 170 mm, a side-load guide is recommended for heavy loads. Remember that the rear adjuster acts only as a travel stop, not a lock; the cylinder cannot hold loads without live air. For fail-safe holding, use an external rod lock or a BSAI clamp-lock cylinder.
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 SAIJ160X170-75 FAQ
The rear adjuster acts as a mechanical stopper that lets you trim the effective stroke back by up to 75 mm. This creates a usable travel window of 95 to 170 mm, allowing fine-tuning of the end position at commissioning without adding external stops.
No, the rear adjuster and air cushions only decelerate and set the travel end; they do not lock the load. For position holding without live air pressure, you need an external rod lock or a related AirTAC type like the BSAI clamp-lock cylinder.
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