Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 190mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke190 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-50S
The AirTAC SAIJ32X190-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 140-190 mm usable travel window from its 190 mm nominal stroke. Equipped with a SUS304 stainless steel rod, it delivers 402 N of push force at 0.5 MPa, making it well suited for lighter-duty positioning tasks. The integrated magnet supports AirTAC CMSE reed and DMSE electronic sensors housed within the dual-side extruded barrel grooves.
This adjustable model allows precise end-position tuning at commissioning without swapping hardware or adding external stops. It uses a PT tapered port thread (G1/8) and offers variable air cushions at both ends to decelerate the load. The rear adjuster functions strictly as a travel stop, not a lock, so live air pressure is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 190 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×190 | 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 Adjustable Cylinder SAIJ32 SAIJ32BX190-50S Is Used
Machine Changeover
Dial in the 140-190 mm travel window during product size changes without physically replacing the cylinder or bolting on external stops.
End-Position Tuning
Fine-tune the retract end position at commissioning to achieve precise mechanical alignment using the rear adjusting screw.
Light-Load Diverting
Utilize the 402 N push force at 0.5 MPa to actuate lightweight conveyor routing gates or small packaging flaps.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-50S the Right Cylinder?
Choose this 32 mm bore when an application requires a nominal 190 mm stroke but demands up to 50 mm of rear trim for product changeovers or setup fine-tuning. If higher thrust is needed, stepping up to a 40 mm bore increases push force to 628 N at 0.5 MPa. For fixed-position tasks without end-position variance, a standard SAI cylinder is simpler, whereas the SAIJ excels in flexible setups.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 190 mm stroke, 50 mm adjustment range, PT port thread, and the -S magnet option. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the stroke is under 300 mm, side-load risks are lower, but external guides remain recommended for unsupported loads. For load-holding without air pressure, select a SAIL or BSAI cylinder instead of relying on the stopper.
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 Adjustable Cylinder SAIJ32 SAIJ32BX190-50S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
The rear adjuster acts as a mechanical stop that trims the effective travel. For this 190 mm nominal stroke cylinder, you can reduce the stroke by up to 50 mm, creating a usable travel window of 140 to 190 mm. It does not lock the load without live air pressure.
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