Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 650mm 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
- Stroke650 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-30
The AirTAC SAIJ160X650-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 620 to 650 mm, letting you dial back the end position by up to 30 mm during commissioning without swapping the barrel. With a 160 mm bore, it delivers 14074 N of push force at 0.7 MPa, making it suited for heavy-duty positioning tasks.
This variant uses a SUS420J2 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. The rear adjuster acts purely as a mechanical stop to fine-tune travel and does not lock the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 650 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 SAIJ160AX650-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×650 | 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 SAIJ160AX650-30 Is Used
Heavy Press Tuning
Fine-tune the 620-650 mm travel window on heavy presses to accommodate varying material thicknesses without machining new hard stops.
Product Changeover Stops
Adjust the retract end-position by up to 30 mm during line changeovers to handle different package sizes on the fly.
Large Assembly Jigs
Position heavy structural components precisely, relying on the 14074 N push force and SUS420J2 stainless rod for durability.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX650-30 the Right Cylinder?
Choose this 160 mm bore when your application requires substantial thrust, such as the 14074 N push force at 0.7 MPa. If you need less force, stepping down to a 100 mm bore yields 5497 N at the same pressure. The adjustable 30 mm window is ideal for product changeovers where the exact end-position varies slightly, removing the need to bolt on external stops or buy a different fixed-stroke SAI cylinder.
Because the 650 mm stroke is substantial, the 40 mm rod and M36x2 thread still require an external guide to prevent side-loading damage on long unsupported extensions. For ISO 15552 replacement matches, specify the 160 mm bore, 650 mm stroke, PT port thread, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and no magnet. Remember that the air cushion and rear stop only decelerate the travel; they do not hold the load. For true position holding without live air, use an external rod lock, a pilot-operated check valve, or an AirTAC SAIL/BSAI cylinder.
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 SAIJ160AX650-30 FAQ
At an operating pressure of 0.7 MPa, this 160 mm bore cylinder generates 14074 N of push force and 9425 N of pull force. The maximum thrust is 2050 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the nominal 650 mm stroke by up to 30 mm, creating a 620-650 mm travel window. It acts as a mechanical stop for end-position tuning and is not a lock, meaning the load will not hold without live air pressure.
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