Airtac SAIJ160 Adjustable Cylinder SAIJ160X190-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X190-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 190mm 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
- Stroke190 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X190-20S
The AirTAC SAIJ160X190-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 170-190 mm. It belongs to a heavy-duty force class, generating 10053 N of push force and 9425 N of pull force at 0.5 MPa. The extruded aluminum barrel features sensor grooves on both sides, and this -S variant includes a magnet for direct compatibility with AirTAC CMSE reed and DMSE electronic solid-state switches.
A defining feature of this SKU is its external adjusting screw, which allows you to trim the retract end-position by up to 20 mm during commissioning without swapping the cylinder or adding external stops. The rod is constructed from standard carbon steel with an M36x2 thread, and pneumatic connections use a PT tapered G3/4 port. The adjuster acts strictly as a travel stop for fine-tuning and deceleration alongside the standard air cushions, not as a lock to hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X190-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X190-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 190 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 SAIJ160X190-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×190 | 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 SAIJ160X190-20S Is Used
Product Changeover Tuning
Dial in the 170-190 mm retract distance instantly during packaging line format changes without physically swapping out the actuator.
Heavy Press Fitment
Leverage the 10053 N push force to seat heavy components, using the 20 mm adjuster to fine-tune the exact insertion depth.
Variable End-Stop Positioning
Establish a precise mechanical stop for heavy machinery loading, adjusting the end position in small increments during initial setup.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X190-20S the Right Cylinder?
Selecting this 160 mm bore cylinder makes sense when your application requires the 10053 N thrust at 0.5 MPa and a highly specific end-position within the 170-190 mm window. If you need slightly less force, stepping down to a 125 mm bore yields 6136 N of push force; stepping up to a 200 mm bore provides 15708 N. Choose this adjustable SAIJ over a fixed-stroke SAI when you anticipate product changeovers or need to dial in the exact retract distance on the machine. For load-holding without continuous air pressure, this cylinder is insufficient; you should utilize an external rod lock, a pilot-operated check valve, or transition to an AirTAC SAIL or BSAI locking cylinder.
Because this is a 190 mm stroke, it sits just under the 300 mm threshold where external side-load guides become strictly mandatory, but the substantial M36x2 carbon steel rod still provides excellent rigidity. When replacing an ISO 15552 cylinder, match the 160 mm bore, 190 mm nominal stroke, 20 mm adjustment range, PT G3/4 port, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, deliberately omitting FB, CA, CB, and CR mounts.
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 SAIJ160X190-20S 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 adjusting screw acts as an external stopper, allowing you to shorten the 190 mm nominal stroke by up to 20 mm. This creates a 170-190 mm usable travel window for fine-tuning the end position without changing the cylinder.
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