Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 750mm 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
- Stroke750 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20
The AirTAC SAIJ160X750-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window from 730 to 750 mm. Delivering 14074 N of push force at 0.7 MPa, this 160 mm bore unit handles heavy-duty positioning with precision. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This configuration uses a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and features PT tapered port threads. Because the 750 mm stroke is substantial, the robust 40 mm rod diameter helps manage side loads, though an external guide is still recommended for unsupported lengths. The rear adjuster acts purely as a mechanical stop to set deceleration and end position, not as a lock to hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 750 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 SAIJ160AX750-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×750 | 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 SAIJ160AX750-20 Is Used
Heavy Press Tuning
Dial in the exact 730-750 mm end position for large forming presses during initial commissioning without adding external mechanical stops.
Product Changeover
Quickly adjust the stroke length on a packaging line to accommodate different large-format product sizes by turning the rear screw.
Material Handling
Position heavy payloads precisely using the 14074 N push force, relying on the rear stopper to set the final retracted distance.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX750-20 the Right Cylinder?
Choose this adjustable-stroke model when your setup requires exact end-position tuning during commissioning or product changeover without swapping out the entire cylinder. If you need slightly less force, stepping down to a 125 mm bore yields 8590 N of push force at 0.7 MPa. For load-holding without continuous air pressure, a standard SAIJ is insufficient as its adjuster is only a stop; you would need to explore the SAIL air-released lock or BSAI clamp-lock variants instead.
When replacing an ISO 15552 cylinder, match these exact parameters: 160 mm bore, 750 mm stroke, 20 mm adjustment range, PT G3/4 port threads, and your required mounting style. The SAIJ series supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. Given the 750 mm stroke, ensure your system includes an external guide to prevent excessive side-loading on the rod.
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 SAIJ160AX750-20 FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder provides 14074 N of push force and 9425 N of pull force. It can reach a maximum push force of 18095 N at 0.9 MPa.
The rear adjuster screw allows you to shorten the nominal 750 mm stroke by up to 20 mm, creating a usable travel window of 730 to 750 mm. This stopper sets the end position and deceleration point but does not lock the load without live air pressure.
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