Airtac SAIJ160 Adjustable Cylinder SAIJ160X155-75
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X155-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 155mm 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
- Stroke155 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X155-75
The AirTAC SAIJ160X155-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 80 to 155 mm, allowing you to dial back the nominal 155 mm stroke by up to 75 mm during machine commissioning. This bore size delivers a substantial 10053 N of push force at 0.5 MPa, making it suitable for heavy-duty positioning tasks.
The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. It uses a carbon steel piston rod with an M36x2 thread, providing a robust interface for high side-load resilience. The rear adjustment mechanism acts purely as a travel stop to fine-tune the end position, meaning it will not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X155-75 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X155-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 155 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 SAIJ160X155-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×155 | 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 SAIJ160X155-75 Is Used
Heavy Press Tuning
Dial in the exact 80-155 mm travel window during heavy press commissioning to accommodate varying material thicknesses without mechanical rework.
Product Changeover
Quickly adjust the retract stop position on a packaging line when switching to a new product size, minimizing downtime and avoiding cylinder swaps.
Variable End Stops
Set precise end-of-stroke limits for heavy clamping fixtures where the final position needs micro-adjustments to achieve perfect contact force.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X155-75 the Right Cylinder?
Select this 160 mm bore when your application requires heavy thrust between 10053 N (0.5 MPa) and 14074 N (0.7 MPa). If you need less force, stepping down to a 125 mm bore yields 6136 N at 0.5 MPa, whereas a 200 mm bore offers 15708 N for extreme loads. Choose this adjustable-stroke SAIJ over a fixed SAI when you need precise end-position tuning at changeover without swapping the cylinder or adding external stops.
For position holding without live air pressure, note that the rear adjuster is a stop and not a lock; you would need an external rod lock or a related type like the SAIL or BSAI. To replace this ISO 15552 cylinder, match the 160 mm bore, 155 mm stroke, 75 mm adjustment, PT G3/4 port, and the required mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Although the stroke is under 300 mm, long unsupported loads should still use an external guide to protect the rod.
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 SAIJ160X155-75 FAQ
At 0.5 MPa operating pressure, this 160 mm bore cylinder provides 10053 N of push force and 9425 N of pull force. At 0.7 MPa, the push force increases to 14074 N.
The rear adjuster screw lets you shorten the 155 mm nominal stroke by up to 75 mm, creating an 80 to 155 mm usable travel window. The adjuster acts as a mechanical stop to fine-tune the end position and does not lock or hold the load without continuous air pressure.
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