Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 290mm 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
- Stroke290 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-50S
The AirTAC SAIJ160X290-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the nominal 290 mm travel back by up to 50 mm, yielding a usable 240-290 mm end-position window. It delivers substantial force, generating 18095 N of push thrust at 0.9 MPa. The extruded aluminum barrel includes sensor grooves on both sides for drop-in CMSE or DMSE switch mounting.
This variant uses a SUS304 stainless steel rod for corrosion resistance and PT tapered port threads. The rear adjuster acts purely as a mechanical stop to fine-tune the retract position during commissioning or product changeover. It is not a lock; the cylinder cannot hold a load without live air pressure, so applications requiring true load-holding should use an external rod lock or a SAIL cylinder.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 290 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 SAIJ160BX290-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×290 | 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 SAIJ160BX290-50S Is Used
Variable End-Stop Forming
Dial in the exact 240-290 mm retract position during machine setup to accommodate different metal panel lengths without changing out physical spacers.
Product Changeover Press
Quickly adjust the rear stopper on a multi-model assembly line to switch between component sizes, reducing downtime between production runs.
Long-Stroke Alignment
Leverage the 290 mm travel for large-format material handling, using the adjuster to fine-tune the final resting position for precise placement.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX290-50S the Right Cylinder?
Choose this 160 mm bore when a 100 mm bore (7068 N push at 0.9 MPa) is insufficient but a 200 mm bore (28274 N push) would be excessive. The adjustable 240-290 mm travel window is ideal for machinery that processes multiple product sizes, allowing operators to dial in the exact end-stop without swapping the cylinder or adding external physical stops. To match this exact replacement, specify a 160 mm bore, 290 mm stroke, 50 mm adjustment, PT ports, SUS304 rod, and the -S magnet.
Because the 290 mm stroke creates a long unsupported rod extension, an external guide rail is strongly recommended to prevent excessive side-loading and premature seal wear. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, 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 SAIJ160BX290-50S FAQ
At 0.9 MPa it provides 18095 N of push force and 14074 N of pull force. It operates between 0.15 and 1.0 MPa, runs at speeds of 30-500 mm/s, and features a 50 mm stroke adjustment range.
The rear adjuster screw lets you shorten the effective travel from 290 mm down to 240 mm. This mechanical stop fine-tunes the end position during commissioning but does not lock the load without continuous air pressure.
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