Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 50mm 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
- Stroke50 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-30S
The AirTAC SAIJ160X50-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 14074N push force at 0.7 MPa and features a usable travel window of 20-50mm, letting you dial back the 50mm nominal stroke by up to 30mm during commissioning. The SUS304 stainless steel rod and PT tapered port thread are configured for demanding environments.
This adjustable-stroke model uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. The built-in magnet supports AirTAC CMSE reed and DMSE solid-state sensors along the dual-side barrel grooves. The rear adjuster acts purely as a mechanical stop to fine-tune the retract end position without adding external stops.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 50 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 SAIJ160BX50-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×50 | 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 SAIJ160BX50-30S Is Used
Heavy Press Fine-Tuning
Dial in the exact end-stop on heavy pressing operations, using the 20-50mm travel window to compensate for material thickness variations without external stopper blocks.
Product Changeover Setup
Quickly adjust the retract position on automated lines during product size changes, saving setup time by turning the rear screw rather than swapping the entire cylinder.
Corrosive Environment Actuation
Leverage the SUS304 stainless steel rod for heavy-duty actuation in washdown or corrosive manufacturing settings while maintaining ISO 15552 interchangeability.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-30S the Right Cylinder?
Choose this 160mm bore cylinder when your application requires heavy thrust up to 14074N at 0.7 MPa, but you need precise end-position tuning within a 20-50mm travel window. If your force requirements are lower, stepping down to a 100mm bore yields 5497N of push force, halving the physical footprint. The 30mm adjustment range is ideal for machine setups requiring variable end-stops during product changeovers.
Because the stroke is under 300mm, side-load stress on the 40mm rod is manageable without an external guide. Remember that the rear adjuster is a travel stop, not a locking device; it cannot hold loads without live air. For true fail-safe load holding, select the SAIL pneumatic lock or BSAI clamp-lock cylinder series instead. This unit provides dimensionally interchangeable ISO 15552 mounting-interface dimensions.
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 SAIJ160BX50-30S FAQ
The rear adjuster acts as a mechanical stop that lets you shorten the 50mm nominal stroke by up to 30mm, providing a usable travel window of 20-50mm. It allows fine-tuning of the end position at commissioning without adding external stops, but it does not lock the load without live air pressure.
At an operating pressure of 0.7 MPa, the SAIJ160X50-30-S generates a push force of 14074N and a pull force of 9425N. It operates at speeds between 30-500 mm/s and uses a G3/4 port.
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