Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 210mm 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
- Stroke210 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-20
The AirTAC SAIJ160X210-20 is a double-acting ISO 15552 profile cylinder featuring a rear mechanical stroke adjuster. It provides a 190-210 mm usable travel window, allowing you to dial back the nominal 210 mm stroke by up to 20 mm during commissioning. Belonging to the 160 mm bore class, it delivers massive thrust, generating 18095 N of push force at 0.9 MPa and 14074 N at 0.7 MPa.
This specific configuration utilizes a SUS304 stainless steel rod (material code B) for superior corrosion resistance in harsh or washdown environments. Fluid supply is routed through PT tapered G3/4 ports. While the extruded aluminum barrel incorporates sensor grooves on both sides, this unit ships without a magnet, so position sensing requires external switches. The rear stopper solely tunes the end position; it does not hold the load without live air.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 210 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 SAIJ160BX210-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×210 | 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 SAIJ160BX210-20 Is Used
Heavy Press Tuning
Dial in the exact 190-210 mm end position for a heavy assembly press during setup, absorbing minor product height variances without re-engineering the fixture.
Changeover Adjustment
Quickly modify the retract stop by up to 20 mm on a packaging line when switching to a slightly shorter container size, minimizing machine downtime.
Corrosive Forming
Leverage the 10053 N force at 0.5 MPa and SUS304 rod for heavy-duty forming operations in humid or chemically exposed manufacturing environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-20 the Right Cylinder?
Selecting this 160 mm bore model is appropriate when your application requires high force—stepping down to a 125 mm bore drops the 0.5 MPa push force to 6136 N, whereas this SAIJ160X210-20 provides 10053 N at the same pressure. The 20 mm adjustable range is ideal for fine-tuning the retract end-stop during product changeovers without physically swapping the cylinder or adding external stops. For true load-holding without continuous air pressure, this cylinder is insufficient; the rear adjuster is a travel stop, not a lock. You would need to specify an AirTAC SAIL or BSAI cylinder, or integrate an external pilot-operated check valve.
To match this ISO 15552 interchangeable cylinder as a replacement, confirm the following: 160 mm bore, 210 mm stroke, 20 mm adjustment range, PT G3/4 port thread, and a SUS304 (B) rod material. Because the 210 mm stroke is under the 300 mm threshold, side-load concerns are minimal, but the 40 mm rod diameter and M36x2 thread provide excellent rigidity. Available mounting options include 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 SAIJ160BX210-20 FAQ
It generates a push force of 10053 N and a pull force of 9425 N at 0.5 MPa, scaling up to 18095 N push at 0.9 MPa. The operational speed range for this 160 mm bore cylinder is 30-500 mm/s.
The rear adjuster acts as a mechanical stop that lets you shorten the effective travel from the nominal 210 mm down to 190 mm. This allows precise end-position tuning at commissioning without replacing the cylinder, though it does not lock or hold the load without live air pressure.
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