Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-40
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 185mm 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
- Stroke185 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-40
The AirTAC SAIJ160X185-40 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 145 to 185 mm, allowing you to dial back the 185 mm nominal stroke by up to 40 mm during commissioning. This bore size delivers a robust 10053 N pull force at 0.5 MPa, making it suitable for heavy-duty positioning tasks.
The extruded aluminum barrel includes sensor grooves on both sides for mounting CMSE reed or DMSE electronic switches. The carbon steel rod uses an M36x2 thread and a G3/4 port. Remember the rear adjuster acts strictly as a travel stop for end-position tuning, not a lock; it cannot hold a load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-40 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 185 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 SAIJ160X185-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×185 | 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 SAIJ160X185-40 Is Used
Heavy Press Tuning
Fine-tune the retraction end-stop on a 10053 N press assembly to accommodate varying material thicknesses without adding external physical stops.
Product Size Changeover
Quickly adjust the 145-185 mm travel window during packaging line format changes to handle different carton sizes efficiently.
Machine Commissioning
Dial in the exact end-position during initial machine setup, leveraging the 40 mm adjustment range to perfect the motion sequence before production.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-40 the Right Cylinder?
Select this 160 mm bore cylinder when an application requires substantial thrust—10053 N pull or 14074 N push at 0.7 MPa—combined with on-the-fly end-position adjustments. If your process demands slightly less force, stepping down to a 125 mm bore yields 5734 N pull at 0.5 MPa. The adjustable rear stopper is ideal for product changeovers where exact end-stops vary, saving you from swapping out a fixed-stroke SAI cylinder.
When replacing an ISO 15552 cylinder, match the 160 mm bore, 185 mm stroke, 40 mm adjustment, PT tapered port, and carbon steel rod. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For load-holding without continuous air pressure, consider an external rod lock or the AirTAC SAIL or BSAI series instead of relying on this adjuster.
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 SAIJ160X185-40 FAQ
A rear external stopper screw lets you mechanically shorten the effective stroke by up to 40 mm, creating a usable travel window of 145 to 185 mm. This allows precise end-position tuning at commissioning without changing the cylinder itself.
At 0.5 MPa it provides 10053 N pull and 14074 N push. The maximum thrust at 1.0 MPa is 2050 kgf. Note that the rear adjuster only sets the travel end and does not function as a brake to hold these loads without live air.
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