Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 240mm 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
- Stroke240 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-20S
The AirTAC SAIJ160X240-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 220-240 mm usable travel window, letting you dial back the 240 mm nominal stroke by up to 20 mm during commissioning. It delivers a robust 14074 N push force at 0.7 MPa and operates at speeds of 30-500 mm/s.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for CMSE and DMSE sensors. The extruded aluminum barrel includes sensor grooves on both sides. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for position holding without pressure, consider an external rod lock or the SAIL lock cylinder.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 240 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 SAIJ160BX240-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×240 | 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 SAIJ160BX240-20S Is Used
Machine Setup & Changeover
Fine-tune the retract end-position by up to 20 mm during product-size changeovers without adding external stops or replacing the cylinder.
Variable End-Stop Tuning
Dial in the exact 220-240 mm travel window required for delicate pressing or positioning tasks at commissioning.
Heavy Assembly Lines
Leverage the 14074 N push force at 0.7 MPa to move heavy pallets or fixtures while benefiting from the corrosion-resistant SUS304 rod.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX240-20S the Right Cylinder?
Choose this 160 mm bore when you need heavy thrust (14074 N push at 0.7 MPa) alongside precise end-position tuning without swapping cylinders. If your application requires less force, stepping down to a 100 mm bore yields 5497 N push, whereas moving up to a 200 mm bore provides 21991 N. The adjustable stroke is ideal for machine setups requiring variable end stops or product-size changeovers.
This model uses a PT tapered port and a G3/4 thread. It supports mounting options Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the 240 mm stroke is under 300 mm, side-load concerns are less severe than with longer strokes, but an external guide is still recommended for heavy loads. To replace an ISO 15552 cylinder, match the 160 mm bore, 240 mm stroke, 20 mm adjustment, PT port, mounting, and the -S magnet.
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 SAIJ160BX240-20S FAQ
At an operating pressure of 0.7 MPa, this 160 mm bore cylinder generates a push force of 14074 N and a pull force of 9425 N. It can deliver up to 18095 N push force at 0.9 MPa.
The rear adjuster screw lets you shorten the 240 mm nominal stroke by up to 20 mm, creating a 220-240 mm usable travel window. It functions as a mechanical stop to fine-tune the end position and does not lock the load without live air pressure.
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