Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-75S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-75S 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 SAIJ160BX850-75S
The AirTAC SAIJ160X850-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 850 mm travel that can be dialed back by up to 75 mm, yielding a 775-850 mm usable window for precise end-position tuning during commissioning. Equipped with a SUS304 stainless steel rod and a magnet for CMSE or DMSE sensors, it handles heavy loads with 14074 N of push force at 0.7 MPa.
This model uses PT tapered ports and includes adjustable air cushions at both ends to manage kinetic energy. The rear adjuster acts strictly as a travel stop to set the retract position and does not hold the load without live air. For applications requiring true load-holding without pneumatic pressure, consider an external rod lock or related AirTAC types like SAIL or BSAI.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-75S |
|---|---|
| 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 SAIJ160BX850-75S
| 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 SAIJ160BX850-75S Is Used
Heavy Press Setup
Dial in the 775-850 mm travel window during heavy press commissioning to set exact bottoming positions without adding external mechanical stops.
Product Changeover
Quickly adjust the retract end-stop by up to 75 mm on automated lines handling different large product sizes, reducing changeover time.
Large Assembly Station
Move heavy 14074 N payloads in automated assembly cells, relying on the SUS304 rod for corrosion resistance in demanding environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-75S the Right Cylinder?
Choose this 160 mm bore when 100 mm (5497 N push at 0.5 MPa) is insufficient for moving heavy fixtures. The 850 mm stroke falls within the standard 1500 mm limit for this bore, making it a stock-friendly choice. An adjustable stroke is selected over a fixed SAI when you need variable end-stops for product changeovers or fine-tuning machine setup without swapping cylinders. Speed ranges from 30-500 mm/s.
When replacing an ISO 15552 cylinder, match the 160 mm bore, 850 mm stroke, 75 mm adjustment, PT G3/4 port, and the -S magnet. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). Because the stroke is 850 mm, the 40 mm rod diameter requires an external guide to prevent side-load damage on the seals.
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 SAIJ160BX850-75S FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder provides 14074 N of push force and 13253 N of pull force. At 0.5 MPa, it yields 10053 N push and 9425 N pull.
The rear adjuster screw lets you shorten the effective travel from the nominal 850 mm down to 775 mm. This creates a 75 mm tuning window for precise end-positioning at commissioning, but the adjuster acts only as a stop and does not lock the load without air pressure.
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