Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-75
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 400mm 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
- Stroke400 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-75
The AirTAC SAIJ160X400-75 is a double-acting, single-rod ISO 15552 profile cylinder engineered with a rear stroke adjuster. It provides a nominal 400 mm stroke that can be fine-tuned backward by up to 75 mm, yielding a usable travel window of 325-400 mm. Belonging to the 160 mm bore class, it generates substantial thrust—14074 N push and 9425 N pull at 0.7 MPa—making it suitable for heavy-duty positioning tasks.
This variant features a SUS304 stainless steel rod (code B) for superior corrosion resistance and utilizes PT tapered port threads with a G3/4 connection. The extruded aluminum barrel includes sensor grooves on both sides. Because this SKU lacks the -S magnet option, it does not support CMSE or DMSE electronic position sensing out of the box.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-75 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 400 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 SAIJ160BX400-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×400 | 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 SAIJ160BX400-75 Is Used
Heavy Machinery Setup
Fine-tune the 325-400 mm retract end-stop during heavy machinery commissioning to achieve precise positioning without machining new spacer blocks.
Product Size Changeover
Quickly adapt a conveyor sorting arm to handle different package sizes by dialing the rear adjuster up to 75 mm during production line changeovers.
Variable End-Stop Positioning
Control the retract distance of a heavy industrial press fixture, utilizing the 14074 N push force at 0.7 MPa to secure large workpieces.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-75 the Right Cylinder?
Select this 160 mm bore actuator when an application requires high force combined with variable end-stop positioning; if lower force is acceptable, stepping down to a 100 mm bore yields 5497 N push at 0.7 MPa. The 75 mm adjustment range is ideal for product changeovers, allowing operators to dial in the exact retract distance without swapping hardware or adding external stops. Note that the rear adjuster functions strictly as a travel stop, not a lock; the cylinder cannot hold a load without live air pressure, so applications requiring true load-holding should utilize an external rod lock or a SAIL pneumatic lock cylinder.
For ISO 15552 replacement matching, verify the 160 mm bore, 400 mm nominal stroke, 75 mm adjustment code, PT G3/4 port thread, and the SUS304 (B) rod material. Given the 400 mm stroke length, the 40 mm rod diameter and M36x2 thread provide robust support, but an external guide is recommended to prevent excessive side-loading on long unsupported travels. Mounting is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2 configurations.
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 SAIJ160BX400-75 FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder provides a push force of 14074 N and a pull force of 9425 N. At the maximum 1.0 MPa pressure, it achieves a push force of 18095 N.
The rear adjuster acts as an external stopper that allows you to shorten the effective stroke by up to 75 mm from the 400 mm nominal length, providing a usable travel window of 325-400 mm. It only sets the travel end and does not lock the load without continuous air pressure.
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