Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-20 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 SAIJ160X170-20
The AirTAC SAIJ160X170-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 150-170 mm, letting you trim up to 20 mm off the nominal stroke during commissioning without swapping the unit. In this bore size, it delivers heavy thrust up to 18095 N at 0.9 MPa, making it suitable for high-force pressing and heavy positioning tasks.
The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. The robust 40 mm carbon steel rod and M36x2 thread handle significant side loads, while the PT tapered ports ensure a tight pneumatic seal. Variable air cushions at both ends manage end-of-stroke deceleration, though the rear adjuster acts only as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-20 |
|---|---|
| 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 SAIJ160X170-20
| 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 SAIJ160X170-20 Is Used
Heavy Pressing Operations
Dial in the exact 150-170 mm end-stop for heavy pressing and forming tasks, accommodating different material thicknesses without changing the cylinder.
Machine Changeover
Quickly adjust the retract end-position by up to 20 mm during product size changeovers on automated lines, reducing setup downtime.
Large Assembly Jigs
Fine-tune the clamping travel on large assembly jigs where a 40 mm rod and M36x2 thread provide the rigidity needed for heavy fixtures.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X170-20 the Right Cylinder?
Choose this 160 mm bore cylinder when an application requires substantial force—delivering 14074 N at 0.7 MPa—along with precise end-position tuning. If your process needs less force, stepping down to a 125 mm bore provides 8590 N at 0.7 MPa. The adjustable stroke is selected over a fixed SAI cylinder when you need variable end-stops for product changeovers or fine-tuning at machine setup.
As an ISO 15552 profile cylinder, it is dimensionally interchangeable with standard ISO cylinders. To match this configuration exactly, specify a 160 mm bore, 170 mm stroke, 20 mm adjustment, PT port thread, and standard carbon steel rod. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Since this cylinder lacks a -S magnet, it cannot use AirTAC CMSE or DMSE sensors. For load-holding without live air pressure, consider the SAIL or BSAI series, as this adjuster is not a lock.
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 SAIJ160X170-20 FAQ
At 0.9 MPa operating pressure, this 160 mm bore cylinder generates a push force of 18095 N and a pull force of 9425 N. It can deliver a maximum force of 2050 kgf at 1.0 MPa.
The rear adjuster screw acts as a mechanical stop that allows you to shorten the 170 mm nominal stroke by up to 20 mm, providing an effective travel window of 150 to 170 mm. It only sets the end position and does not lock or hold the load without continuous air pressure.
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