Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 40mm 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
- Stroke40 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30S
The AirTAC SAIJ160X40-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 10 to 40 mm from its 40 mm nominal stroke. It delivers a robust 10053 N pull force at 0.5 MPa, making it well-suited for heavy-duty positioning tasks. This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing.
Because the rear adjuster acts strictly as a mechanical stop to fine-tune the retract end without adding external stops, it does not lock the load safely without live air pressure. For applications requiring true load-holding, consider the SAIL or BSAI series instead. This SAIJ model also omits the FB, CA, CB, and CR mounts, utilizing a reduced interface set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 40 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 SAIJ160BX40-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×40 | 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 SAIJ160BX40-30S Is Used
Machine Changeover
Dial in the exact 10 to 40 mm retract position during product size changes without physically swapping cylinders or adding external stopper blocks.
Heavy Positioning
Leverage the 10053 N pull force to move heavy pallets or fixtures, using the rear screw to precisely set the retracted end stop.
Corrosive Setups
Utilize the SUS304 stainless steel rod in washdown or chemically exposed environments while relying on DMSE electronic sensors for positioning.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30S the Right Cylinder?
Choose this 160 mm bore when you need maximum thrust that exceeds the 6136 N pull of the 125 mm bore at 0.5 MPa, but require fine end-position tuning during commissioning. The 30 mm adjustment window is ideal for product changeovers on heavy machinery, allowing you to dial in the exact retract distance without swapping the cylinder.
When ordering a replacement, verify the 40 mm stroke, 30 mm adjustment code, PT tapered port threads, and the -S magnet option for CMSE reed and DMSE electronic sensors. Although the 40 mm stroke is short, the 40 mm diameter piston rod and M36x2 thread handle significant side loads, though any long unsupported stroke still necessitates an external guide.
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 SAIJ160BX40-30S FAQ
At 0.5 MPa operating pressure, this 160 mm bore cylinder provides 10053 N of pull force and 14074 N of push force. It can reach a maximum push force of 18095 N at 0.9 MPa.
The rear adjuster allows you to shorten the 40 mm nominal stroke by up to 30 mm, creating a usable travel window between 10 and 40 mm. It functions as a mechanical stop for end-position tuning and does not hold the load without continuous air pressure.
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