Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-50
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-50 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 SAIJ160BX210-50
The AirTAC SAIJ160X210-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that creates a 160-210 mm usable travel window. Delivering 10053 N of pull force at 0.5 MPa, it handles heavy-duty positioning with precision. The extruded aluminum barrel includes sensor grooves on both sides for straightforward detection integration.
This specific SKU is built with a SUS304 stainless steel rod for superior corrosion resistance and utilizes PT tapered ports. The rear adjustment screw allows you to dial in the exact end-of-stroke position during commissioning or product changeovers without swapping out the entire cylinder or adding bulky external stops. It operates efficiently at speeds of 30-500 mm/s.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-50 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-50 |
|---|---|
| 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 SAIJ160BX210-50
| 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 SAIJ160BX210-50 Is Used
Heavy-Duty Press Tuning
Dial in the exact 160-210 mm end position during machine setup to accommodate varying material thicknesses without reinstalling the actuator.
Pallet Positioning Stops
Adjust the rear stopper on the fly to handle different pallet sizes on a packaging line, ensuring precise halting at the processing station.
Multi-Product Assembly Lines
Leverage the 50 mm adjustment window to quickly change over tooling end-stops for different product variants, minimizing downtime.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX210-50 the Right Cylinder?
Choose this 160 mm bore when an 80 mm bore (providing 2268 N pull at 0.5 MPa) lacks the necessary thrust for heavy loads, but a 200 mm bore (15080 N pull) would be physically oversized. The 50 mm adjustment range is ideal for machinery requiring frequent product size changeovers, allowing operators to reposition the end stop in minutes. For any stroke near or exceeding 300 mm, adding an external guide is recommended to manage side-load stresses.
When specifying a replacement, ensure you match the 160 mm bore, 210 mm nominal stroke, 50 mm adjustment range, PT port threads, and the SUS304 rod material. Remember that the rear adjuster functions strictly as a travel stop and does not hold the load without live air pressure; for true fail-safe load holding without continuous air, consider the AirTAC SAIL or BSAI series. This cylinder supports the SAIJ mounting subset: 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 SAIJ160BX210-50 FAQ
At 0.5 MPa operating pressure, this 160 mm bore cylinder provides 10053 N of pull force and 14074 N of push force at 0.7 MPa. The maximum operating pressure is 1.0 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the 210 mm nominal stroke down to as little as 160 mm. This allows fine-tuning of the end position during commissioning without needing live air to hold the load, though it is not a locking device.
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