Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-50S 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 SAIJ160BX650-50S
The AirTAC SAIJ160X650-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 600 to 650 mm usable travel window. Delivering 10053 N of pull force at 0.5 MPa, it handles heavy-duty positioning tasks. The extruded aluminum barrel includes sensor grooves on both sides for straightforward detection installation.
This specific SKU is configured with a SUS304 stainless steel rod for superior corrosion resistance and a PT tapered port thread. The integrated magnet (-S) supports AirTAC CMSE reed and DMSE electronic sensors. The rear adjustment screw acts purely as a travel stop for end-position tuning at commissioning; it does not lock the load without continuous live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-50S |
|---|---|
| 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 SAIJ160BX650-50S
| 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 SAIJ160BX650-50S Is Used
Heavy-Duty Press Tuning
Dial in the exact 600-650 mm end-stop during press commissioning to accommodate varying material thicknesses without adding external mechanical stops.
Product Changeover Diverter
Adjust the rear travel screw on the fly during packaging line changeovers to perfectly position heavy product diverters for different box sizes.
Large Assembly Jig Setup
Fine-tune the clamping reach on large-scale automotive assembly jigs, leveraging the 10053 N pull force to secure heavy components safely.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX650-50S the Right Cylinder?
Select this 160 mm bore cylinder when an application requires substantial thrust—stepping down to a 125 mm bore drops the 0.5 MPa pull force to 5734 N. An adjustable stroke is chosen over a fixed SAI model to fine-tune the end stop during machine setup or product changeover without swapping components. Because the 650 mm stroke exceeds 300 mm, the 40 mm rod diameter and M36x2 thread provide rigidity, but an external guide is still recommended to manage side-loading on the extended rod.
For dimensionally interchangeable ISO 15552 replacements, match the 160 mm bore, 650 mm stroke, 50 mm adjustment range, PT G3/4 port, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, intentionally omitting FB, CA, CB, and CR. If true load-holding without air pressure is required, use an SAIL pneumatic lock, a BSAI clamp-lock, or an external rod lock instead of relying on the 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 SAIJ160BX650-50S FAQ
The rear adjuster screw allows you to shorten the effective stroke by up to 50 mm, providing a usable travel window of 600 to 650 mm. This stop lets you fine-tune the end position at commissioning without replacing the cylinder, though it does not lock the load without live air pressure.
At 0.5 MPa, it provides 10053 N of pull force and 14074 N of push force. The operating speed range for this 160 mm bore is 30-500 mm/s, which is lower than smaller bores to manage the inertia of the large 40 mm rod and heavy loads.
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