Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-40S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 850mm 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
- Stroke850 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-40S
The AirTAC SAIJ160X850-40-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications requiring precise end-position tuning. It delivers a robust 18095N of push force at 0.9 MPa. The integrated rear adjusting screw allows you to shorten the effective stroke by up to 40 mm, providing a usable travel window of 810 to 850 mm. This mechanism enables fine-tuning at commissioning without the need to swap out the entire cylinder or bolt on external stops.
This specific SKU features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch mounting. Operating at speeds of 30-500 mm/s, it utilizes PT tapered port threads (G3/4) and includes variable air cushions at both ends to decelerate heavy loads smoothly.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-40S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 850 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 SAIJ160AX850-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×850 | 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 SAIJ160AX850-40S Is Used
Heavy Machinery Setup
Dial in the exact 810-850 mm end-stop during heavy machinery commissioning to accommodate varying material thicknesses without replacing hardware.
Product Changeover
Quickly adjust the retract stroke by up to 40 mm on a packaging line when switching between different product sizes.
Large Assembly Presses
Utilize the 18095N push force and variable air cushions to assemble large components smoothly, fine-tuning the final position as needed.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-40S the Right Cylinder?
Selecting this 160 mm bore cylinder is ideal when your application demands high thrust—stepping down to a 125 mm bore yields 11045N at 0.9 MPa, whereas this 160 mm model provides 18095N. The adjustable stroke is chosen over a fixed SAI cylinder when you need variable end-stops for product changeovers or precise machine setup. Because the stroke is 850 mm, which is substantial, an external guide is recommended to prevent excessive side-loading on the rod and thread.
For ISO 15552 interchangeability, match the 160 mm bore, 850 mm stroke, 40 mm adjustment, PT G3/4 ports, and the -S magnet requirement. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Remember that the rear adjuster and air cushions only set the travel end and decelerate the load; they do not hold the position without live air. For true load-holding, consider the SAIL (air-released lock) or BSAI (clamp-lock) 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 SAIJ160AX850-40S FAQ
The rear adjusting screw acts as a mechanical stopper that allows you to trim the effective stroke back by up to 40 mm. This provides a usable travel window of 810 to 850 mm, letting you fine-tune the end position at commissioning without changing the cylinder.
At an operating pressure of 0.9 MPa, the SAIJ160X850-40-S generates a push force of 18095N and a pull force of 9425N. The maximum thrust at 1.0 MPa is 2050 kgf.
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