Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 300mm 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
- Stroke300 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-50S
The AirTAC SAIJ160X300-50-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 10053N of push force at 0.5 MPa and features a 300mm nominal stroke that can be fine-tuned down by up to 50mm, yielding a usable travel window of 250-300mm. This built-in adjustability allows operators to dial in exact retract end positions during commissioning or product changeovers without swapping out the entire cylinder.
Built for demanding environments, this variant features a SUS304 stainless steel rod for superior corrosion resistance and carries the -S magnet for compatibility with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides, and the robust M36x2 rod thread handles high side loads. At 300mm of travel, the speed operates within the 30-500mm/s range, and the cylinder uses PT tapered port threads paired with 50mm variable air cushions at both ends.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 300 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 SAIJ160BX300-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×300 | 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 SAIJ160BX300-50S Is Used
Heavy-Duty Machine Setup
Dial in the exact 250-300mm retract position during initial commissioning of large forming presses without machining external stopper blocks.
Product Size Changeovers
Quickly adjust the end-of-stroke position by up to 50mm on packaging lines when transitioning between different pallet or product sizes.
Corrosive Material Handling
Leverage the SUS304 stainless steel rod and 10053N thrust to move heavy workloads in washdown or mildly corrosive industrial environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX300-50S the Right Cylinder?
Select this 160mm bore cylinder when an application requires substantial pull force (9425N at 0.5 MPa) alongside precise retract positioning. If you need less force, stepping down to a 125mm bore yields 6136N of push force, but the SAIJ160X300-50-S is necessary for heavier payloads requiring a 250-300mm adjustable travel window. Because the stroke is 300mm, an external guide should be used to prevent excessive rod side-loading on long unsupported extensions. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air; for true load-holding without pressure, consider an AirTAC SAIL or BSAI cylinder.
When matching this cylinder for an ISO 15552 dimensional replacement, verify the 160mm bore, 300mm stroke, 50mm adjustment range, PT port threads, and the -S magnet requirement. The SAIJ series supports a specific mounting subset including Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets.
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 SAIJ160BX300-50S FAQ
At 0.5 MPa operating pressure, this 160mm bore cylinder provides 10053N of push force and 9425N of pull force. It can reach a maximum push force of 18095N at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 300mm nominal stroke by up to 50mm, creating a usable travel window of 250-300mm. It only sets the travel end and does not lock the load without continuous air pressure.
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