Airtac SAIJ160 Adjustable Cylinder SAIJ160AX800-50
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX800-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 800mm 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
- Stroke800 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX800-50
The AirTAC SAIJ160X800-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 800 mm stroke that can be fine-tuned backward by up to 50 mm, yielding a precise 750-800 mm usable travel window. Equipped with an SUS420J2 stainless steel rod (code A), it delivers 10053 N of push force at 0.5 MPa and utilizes a PT tapered G3/4 port.
This heavy-duty actuator relies on an extruded aluminum barrel rather than a tie-rod design, maintaining standard ISO 15552 mounting dimensions. The rear stopper allows you to dial in the exact retract position during commissioning without adding external physical stops. Note that the adjuster acts only as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX800-50 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX800-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 800 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 SAIJ160AX800-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×800 | 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 SAIJ160AX800-50 Is Used
Heavy Press Tuning
Dial in the exact 750-800 mm end position during machinery commissioning to perfect heavy pressing operations without machining new stopper blocks.
Product Changeover
Adjust the retract distance up to 50 mm on packaging lines to accommodate different pallet sizes quickly and efficiently.
Long-Stroke Positioning
Move substantial loads along an 800 mm path while using the rear screw to fine-tune the stopping point for automated assembly lines.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX800-50 the Right Cylinder?
Choose this 160 mm bore when an application requires substantial thrust, such as 10053 N push or 9425 N pull at 0.5 MPa. If your setup needs less force, stepping down to a 125 mm bore yields 6136 N push force at 0.5 MPa. The adjustable stroke is ideal for machinery requiring product changeovers, letting you shift the end position by up to 50 mm on the fly instead of physically swapping cylinders. For holding loads without continuous air pressure, you must integrate an external rod lock or look at the SAIL or BSAI series, as the SAIJ adjuster is strictly a stop.
Because the 800 mm stroke is long, the 40 mm rod diameter and M36x2 thread will still experience leverage forces; an external guide is recommended to prevent excessive side-loading. When specifying a replacement, ensure you match the 160 mm bore, 800 mm stroke, 50 mm adjustment, PT G3/4 port, and the SUS420J2 rod material. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ160AX800-50 FAQ
At 0.5 MPa operating pressure, this 160 mm bore cylinder provides 10053 N of push force and 9425 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 2050 kgf.
The rear adjuster screw allows you to shorten the effective travel from the nominal 800 mm down to 750 mm. This creates a 750-800 mm usable window for fine-tuning the end position at commissioning, but it acts as a stop and does not lock the load without air pressure.
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