Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 115mm 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
- Stroke115 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-50S
The AirTAC SAIJ160X115-50-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers massive thrust, generating 18095N of push force at 0.9 MPa, making it suitable for heavy-duty industrial operations. The extruded aluminum barrel features sensor grooves on both sides, and because this is the -S variant, it includes a magnet compatible with AirTAC CMSE reed and DMSE electronic solid-state switches for precise position verification.
This model uses a 50 mm adjustment range to fine-tune the 115 mm nominal stroke, creating a usable travel window of 65 to 115 mm. You can dial back the retract position at commissioning or during a product changeover without swapping the cylinder or adding external stops. The 40 mm carbon steel rod and M36x2 thread provide robust resistance to side loads, though long unsupported strokes still require an external guide. It uses a PT tapered port and supports the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 115 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 SAIJ160X115-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×115 | 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 SAIJ160X115-50S Is Used
Heavy-Duty Press Tuning
Dial in the exact 65-115 mm end-stop during press commissioning to accommodate varying material thicknesses without physically swapping out the cylinder.
Product Changeover
Quickly adjust the retract position on an assembly line when switching to a new product size, using the 50 mm rear adjuster to fine-tune the machine footprint.
Automated Welding Clamps
Provides 18095N of push force at 0.9 MPa for securing heavy structural parts, while the -S magnet enables DMSE sensors to confirm clamp position.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X115-50S the Right Cylinder?
Choose this 160 mm bore when an 80 mm bore falls short—output jumps from 4523N to 18095N of push force at 0.9 MPa. If your application requires less force, stepping down to the 125 mm bore yields 11045N at the same pressure. The adjustable stroke is ideal for variable end-stops and machine setup, offering a 65-115 mm travel window. Remember that the rear adjuster acts purely as a travel stop and does not hold the load without live air; for true load-holding without pressure, consider the SAIL lock or BSAI clamp-lock cylinders.
To match this ISO 15552 cylinder for a replacement, verify the 160 mm bore, 115 mm nominal stroke, 50 mm adjustment code, PT port thread, carbon steel rod, and the -S magnet option. Ensure your mounting interface matches the SAIJ subset (Basic, FA, LB, TC, FTC, TCM1, TCM2), as FB, CA, CB, and CR mounts are omitted from this adjustable series.
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 SAIJ160X115-50S FAQ
The rear adjuster screw acts as a mechanical stop that can shorten the 115 mm nominal stroke by up to 50 mm, giving you a usable travel window of 65 to 115 mm. It only sets the end position and decelerates the travel; it does not lock or hold the load without live air pressure.
At an operating pressure of 0.9 MPa, the SAIJ160X115-50-S generates 18095N of push force and 14074N at 0.7 MPa. It operates at speeds between 30 and 500 mm/s.
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