Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 85mm 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
- Stroke85 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30S
The AirTAC SAIJ160X85-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering robust thrust for heavy-duty tasks. It generates 14074N of push force at 0.7 MPa and features a 55-85mm usable travel window, allowing you to trim the 85mm nominal stroke by up to 30mm during commissioning. This specific configuration includes an SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and a built-in magnet (-S) for position sensing.
Unlike fixed-stroke actuators, this model lets you fine-tune the retract end position without swapping the cylinder or adding external stops. The extruded aluminum barrel incorporates sensor grooves on both sides, and the PT tapered port threads ensure a secure pneumatic connection. The rear screw acts purely as a travel stop to set deceleration, so it will not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 85 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 SAIJ160AX85-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×85 | 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 SAIJ160AX85-30S Is Used
Heavy Machinery Setup
Dial in the exact 55-85mm retract position during heavy machinery commissioning without machining new hard stops.
Product Size Changeover
Quickly adjust the end-stop to accommodate different product heights on a manufacturing line.
High-Force Clamping
Leverage the 10053N push force at 0.5 MPa for heavy clamping tasks while fine-tuning the clamping depth.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30S the Right Cylinder?
Choose this 160mm bore when an 80mm cylinder (providing 3518N push at 0.5 MPa) lacks the necessary power, stepping up to gain 10053N push at 0.5 MPa. The adjustable 55-85mm window is ideal for product changeovers on a line where exact end-positioning varies slightly. Because the stroke is 85mm, side-load risks are minimal, but the 40mm rod and M36x2 thread handle high axial stress well.
For a true ISO 15552 replacement match, verify the 160mm bore, 85mm stroke, -30 adjustment, PT G3/4 port, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. If your application requires holding the load without continuous air pressure, use an external rod lock or select an AirTAC SAIL or BSAI cylinder instead.
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 SAIJ160AX85-30S FAQ
At 0.5 MPa it provides 10053N push and 9425N pull force. At 0.7 MPa, the push force increases to 14074N.
The rear adjuster screw allows you to reduce the 85mm nominal stroke by up to 30mm, creating a 55-85mm usable travel window. It functions as a mechanical stop and does not lock the load without air pressure.
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