Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-10S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 400mm 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
- Stroke400 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-10S
The AirTAC SAIJ160X400-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 400mm stroke with a 10mm adjustment range, creating a precise 390-400mm usable travel window for fine-tuning end positions at commissioning. Delivering 18095N of push force at 0.9 MPa, it handles heavy-duty positioning. The integrated -S magnet works seamlessly with AirTAC CMSE reed and DMSE solid-state sensors, fitting directly into the dual-sided extruded aluminum barrel grooves.
This unit is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance and includes PT tapered port threads (G3/4). The 40mm rod diameter and M36x2 thread provide robust resistance to side loads, though at 400mm of travel, an external guide is still recommended to prevent binding. The rear adjuster acts strictly as a mechanical stop to decelerate travel, not as a lock to hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-10S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 400 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 SAIJ160BX400-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×400 | 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 SAIJ160BX400-10S Is Used
Heavy Press Tuning
Dial in the exact 390-400mm end-stop during machine setup to accommodate varying material thicknesses in large-scale pressing operations.
Product Changeover Stops
Adjust the rear stopper quickly on the fly when switching product sizes on a heavy-duty conveyor line without changing the cylinder.
Washdown Actuation
Leverage the SUS304 stainless steel rod and 18095N thrust for robust, corrosion-resistant actuation in demanding manufacturing environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-10S the Right Cylinder?
Select this 160mm bore cylinder when an application requires substantial thrust—stepping up to the 200mm bore yields 28274N at 0.9 MPa, while dropping to 125mm reduces force to 11045N. The adjustable 390-400mm window is ideal for variable end-stops or machine changeovers, eliminating the need to physically swap cylinders or bolt on external stops. Because the 400mm stroke exceeds 300mm, external guiding is strongly recommended to manage side-load stress on the M36x2 rod.
For load-holding requirements without continuous live air, note that the SAIJ rear adjuster and air cushions do not function as a brake. You must use a SAIL pneumatic lock, a BSAI clamp-lock cylinder, or an external pilot-operated check valve. This SAIJ configuration is dimensionally interchangeable per ISO 15552 mounting interfaces, supporting Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ160BX400-10S FAQ
At an operating pressure of 0.9 MPa, this 160mm bore cylinder generates a push force of 18095N and a pull force of 9425N. The maximum push force is 10053N at 0.5 MPa.
The rear mechanical screw stopper allows you to shorten the effective travel from the nominal 400mm down to 390mm. This provides a 390-400mm adjustable window for fine-tuning the retract end position without swapping the cylinder.
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