Airtac SAIJ160 Adjustable Cylinder SAIJ160BX35-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX35-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 35mm 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
- Stroke35 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX35-20S
The AirTAC SAIJ160X35-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling precise end-position tuning without external stops. Based on a 35 mm nominal stroke and a 20 mm adjustment range, it provides a usable travel window of 15-35 mm. This wide-bore design generates a substantial 9425 N pull force at 0.5 MPa, making it ideal for heavy-duty clamping or pressing tasks within a very short distance.
This specific configuration features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing with CMSE reed or DMSE electronic switches. Fluid is filtered air, operating pressure spans 0.15-1.0 MPa, and the extruded aluminum barrel incorporates sensor grooves on both sides. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX35-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX35-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 35 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 SAIJ160BX35-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×35 | 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 SAIJ160BX35-20S Is Used
Short-Stroke Pressing
Delivers 9425 N of pull force at 0.5 MPa within a tight 15-35 mm travel window for heavy-duty pressing, riveting, or forming operations.
Changeover Calibration
The 20 mm rear adjuster allows operators to dial in the exact end-position during machine setup or product changeovers without swapping out the cylinder.
Heavy-Duty Clamping
Features a SUS304 stainless steel rod and M36x2 threading, providing robust, corrosion-resistant clamping force in demanding industrial environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX35-20S the Right Cylinder?
Selecting this 160 mm bore model is appropriate when a compact footprint must deliver high force, as stepping down to a 125 mm bore yields only 5734 N of pull force at 0.5 MPa. The adjustable 15-35 mm travel window is chosen over a fixed-stroke SAI cylinder when a process requires variable end-stops for product changeovers or fine-tuning during machine setup. To replace an ISO 15552 cylinder, match the 160 mm bore, 35 mm stroke, 20 mm adjustment, PT tapered ports, and the -S magnet requirement.
Because the stroke is under 300 mm, side-load stress is minimal, though the robust 40 mm rod and M36x2 thread handle high mechanical loads effectively. For applications requiring the load to be held in place without continuous live air, this cylinder is insufficient since the adjuster is not a lock; consider an AirTAC SAIL pneumatic lock or BSAI clamp-lock cylinder instead. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ160BX35-20S FAQ
This 160 mm bore cylinder generates 10053 N of push force and 9425 N of pull force at 0.5 MPa. With a 35 mm nominal stroke and a 20 mm rear adjuster, the usable travel window can be fine-tuned anywhere between 15 and 35 mm.
No, the rear adjuster functions strictly as a mechanical travel stop to set the end-position and deceleration point. It is not a lock or brake. To hold a load safely without live air pressure, an AirTAC SAIL or BSAI cylinder with an external rod lock is required.
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