Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30 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 SAIJ160AX85-30
The AirTAC SAIJ160X85-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a robust 14074N of push force at 0.7 MPa. It features a 40 mm carbon steel rod upgraded with an SUS420J2 stainless steel surface (code A) for enhanced corrosion resistance. By integrating an external stopper at the rear, this model allows you to fine-tune the end position during commissioning without swapping out the entire unit.
With a nominal stroke of 85 mm and a 30 mm adjustment range, the usable travel window spans 55 to 85 mm. This specific unit utilizes PT tapered port threads (G3/4) and operates at speeds between 30 and 500 mm/s. The extruded aluminum barrel includes sensor grooves on both sides, allowing for straightforward integration of CMSE or DMSE sensors if a magnet is added later.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30 |
|---|---|
| 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 SAIJ160AX85-30
| 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 SAIJ160AX85-30 Is Used
Heavy Machinery Setup
Dial in the exact 55 to 85 mm end-stop during heavy machinery commissioning to accommodate physical tolerances without machining new spacers.
Product Size Changeovers
Quickly adapt a high-force clamping station to different product heights by trimming the retract stroke up to 30 mm directly at the rear adjuster.
Precision Positioning
Use the fine-tuning screw to set precise bottoming positions for heavy fixtures, relying on the stop to set the travel limit rather than holding the load.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX85-30 the Right Cylinder?
Choose this 160 mm bore cylinder when an application requires substantial thrust—such as the 10053N pull force at 0.5 MPa—combined with precise end-position tuning. If your setup demands less force, stepping down to a 125 mm bore yields 8590N of push force at 0.7 MPa, whereas moving up to a 200 mm bore provides 21991N. The adjustable stroke is ideal for product changeovers on a line, functioning as a travel stop rather than a lock; for load-holding without live air pressure, consider an AirTAC SAIL or BSAI cylinder.
To match this exact configuration for an ISO 15552 replacement, specify a 160 mm bore, 85 mm stroke, 30 mm adjustment range, PT port thread, and SUS420J2 rod material. The available mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2. Although the stroke is short, the 40 mm rod and M36x2 thread provide excellent side-load capacity, though external guides are always recommended for unsupported loads.
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 SAIJ160AX85-30 FAQ
At an operating pressure of 0.7 MPa, this 160 mm bore cylinder generates 14074N of push force and 13207N of pull force. At the maximum rated pressure of 1.0 MPa, it can deliver up to 2050 kgf.
The rear adjuster acts as an external stopper that lets you shorten the effective stroke from the nominal 85 mm down to 55 mm. This creates a 55-85 mm usable travel window for fine-tuning the retract end position at commissioning, but it does not lock the load without live air.
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