Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-50
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 165mm 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
- Stroke165 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-50
The AirTAC SAIJ160X165-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the nominal 165 mm travel back by up to 50 mm. This yields a usable end-position window of 115-165 mm, enabling precise fine-tuning during commissioning or product changeovers without swapping the hardware. It delivers robust thrust, generating 14074 N of push force and 18095 N of pull force at a 0.9 MPa operating pressure.
Built with a carbon steel piston rod and M36x2 rod thread, this unit handles substantial side loads, though external guiding remains recommended for long unsupported strokes. The extruded aluminum barrel incorporates sensor grooves on both sides for direct mounting of CMSE reed and DMSE electronic switches. Sealed with standard TPU elastomers, it operates reliably within a -20 to +70 C temperature range.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-50 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 165 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 SAIJ160X165-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×165 | 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 SAIJ160X165-50 Is Used
Heavy Machinery Setup
Dials in the exact retract distance on large presses during initial commissioning, absorbing mechanical variance across a 115-165 mm travel window.
Product Size Changeover
Enables rapid line adjustments when switching between heavy product variants, using the 50 mm rear stopper to adapt end positions without replacing cylinders.
Variable End-Stop Clamping
Provides adjustable physical clamping limits for large components, allowing operators to fine-tune the stroke end-point dynamically on the factory floor.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-50 the Right Cylinder?
Selecting this 160 mm bore is appropriate when an application requires heavy force, as it provides 10053 N of push force at 0.5 MPa; stepping down to a 125 mm bore would reduce that output to 6136 N. The SAIJ160X165-50 is chosen over a fixed-stroke SAI when the exact retract distance needs on-site dialing-in across a 115-165 mm window. To match this ISO 15552 interchangeable footprint, specify the 160 mm bore, 165 mm stroke, 50 mm adjustment, PT tapered ports, and no magnet.
Because the nominal stroke is 165 mm, external side-load guiding is not strictly mandated but is still advised for heavy radial loads. The rear adjuster functions strictly as a mechanical stop to set deceleration and travel limits—it does not hold the load without live air pressure. For true fail-safe load holding, consider the SAIL or BSAI series instead.
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 SAIJ160X165-50 FAQ
At a 0.9 MPa operating pressure, this 160 mm bore cylinder generates 14074 N of push force and 18095 N of pull force. It reaches a maximum thrust of 2050 kgf at 1.0 MPa.
The rear adjuster acts as a mechanical stop that shortens the 165 mm nominal stroke by up to 50 mm, creating a usable travel window of 115-165 mm. It sets the end position but does not lock or hold the load without continuous live air pressure.
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