Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-100
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 850mm 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
- Stroke850 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-100
The AirTAC SAIJ160X850-100 is a double-acting ISO 15552 profile cylinder engineered with a rear stroke adjuster, allowing you to dial back the nominal 850 mm travel by up to 100 mm. This yields a precise 750-850 mm usable window, enabling fine end-position tuning at commissioning without swapping the cylinder or adding external stops. It delivers substantial thrust, pushing 14074 N at 0.7 MPa and pulling 9425 N at 0.5 MPa.
This heavy-duty actuator features a 40 mm SUS420J2 stainless steel rod and a PT G3/4 port. The extruded aluminum barrel includes sensor grooves on both sides for standard CMSE or DMSE switches. The rear screw acts purely as a travel stop and works alongside the 50 mm air cushions to decelerate the load, but it does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-100 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 850 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 SAIJ160AX850-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×850 | 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 SAIJ160AX850-100 Is Used
Heavy Machinery Changeover
Dial in the 750-850 mm travel window during product size changeovers to set new end positions without re-mounting the entire actuator.
Long-Stroke Positioning
Use the 40 mm stainless steel rod for heavy pushes up to 18095 N at 0.9 MPa, relying on the rear stop to fine-tune the final extended position.
Commissioning Calibration
Trim the effective stroke by up to 100 mm during setup to perfectly align large workpieces, avoiding the need for external mechanical stops.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-100 the Right Cylinder?
Selecting this 160 mm bore makes sense when your application requires the 10053 N push force available at 0.5 MPa, stepping up from a 125 mm bore that provides 6136 N, or down from a 200 mm bore offering 15708 N. The adjustable stroke is ideal for product-size changeovers on a line, letting you set a variable end-stop rather than machining a fixed stop. For load-holding without live pressure, you must integrate an external rod lock or look at the SAIL or BSAI series, as the SAIJ adjuster is not a brake.
When replacing an ISO 15552 cylinder, match the 160 mm bore, 850 mm stroke, 100 mm adjustment, PT G3/4 port, and the SUS420J2 rod material. Because the 850 mm stroke is long and unsupported, the 40 mm rod still needs an external guide to prevent excessive side-loading. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ160AX850-100 FAQ
At 0.9 MPa, this 160 mm bore cylinder provides a push force of 18095 N and a pull force of 14274 N. At 0.5 MPa, the push force is 10053 N.
The rear adjuster screw lets you shorten the 850 mm nominal stroke by up to 100 mm, creating a 750-850 mm travel window. It functions as a mechanical stop for end-position tuning and does not lock the load without air pressure.
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