Airtac SAIJ160 Adjustable Cylinder SAIJ160BX20-10
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX20-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 20mm 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
- Stroke20 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX20-10
The AirTAC SAIJ160X20-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 20 mm travel by up to 10 mm. This creates a highly specific 10-20 mm usable stroke window, perfect for applications requiring exact end-position tuning at commissioning without swapping out the actuator. It delivers substantial thrust, offering 9425 N of pull force at 0.5 MPa and reaching 18095 N at 0.9 MPa.
This variant features a SUS304 stainless steel rod (code B) for superior corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, though this specific unit lacks the integrated magnet, meaning CMSE or DMSE electronic switches cannot be used for position detection without modification. The rear adjuster functions strictly as a mechanical stop to set the travel end, not as a lock, so live air is required to hold the load.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX20-10 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX20-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 20 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 SAIJ160BX20-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×20 | 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 SAIJ160BX20-10 Is Used
Short-Stroke Pressing
Delivers up to 18095 N of push force at 0.9 MPa for high-impact clamping, with the 10 mm adjuster allowing precise control over the final crush distance.
Tooling Setup
The 10-20 mm travel window enables operators to fine-tune the exact retracted position of a tool head during initial commissioning without adding external shims.
Changeover Stops
Ideal for automated lines running multiple product sizes, letting technicians quickly dial in the exact end-stop position for each new batch.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX20-10 the Right Cylinder?
Selecting this 160 mm bore actuator provides massive force in a very compact footprint, but stepping down to a 125 mm bore would reduce the 0.5 MPa pull force to 5734 N if full thrust is unnecessary. The SAIJ160X20-10 is chosen over a fixed-stroke SAI when a machine setup requires variable end-stops or fine-tuning during product changeovers. To match this cylinder for an ISO 15552 replacement, verify the 20 mm stroke, 10 mm adjustment range, PT G3/4 port, and the absence of a magnet. Because the stroke is short, external side-load guides are less critical than on longer strokes, but the 40 mm rod diameter handles robust loads well.
For load-holding without continuous live air pressure, note that the rear adjuster and air cushions do not function as a brake. You would need to specify a SAIL (air-released lock) or BSAI (clamp-lock) cylinder instead. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR configurations.
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 SAIJ160BX20-10 FAQ
It features a rear mechanical screw that acts as a stopper, allowing you to shorten the nominal 20 mm stroke by up to 10 mm. This provides a usable travel window of 10 to 20 mm, which can be fine-tuned during setup without changing the cylinder.
At 0.5 MPa it provides 10053 N of push force and 9425 N of pull force. At 0.9 MPa, the push force increases to 18095 N.
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