Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-40 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 SAIJ32AX190-40
The AirTAC SAIJ32X190-40 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 190 mm nominal stroke that can be dialed back by up to 40 mm, yielding a usable travel window of 150 to 190 mm for precise end-position tuning during commissioning. In the compact 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This variant features an SUS420J2 stainless steel rod (material code A) for improved corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides, allowing direct mounting of CMSE reed or DMSE electronic switches if a magnet is specified later. Fluid supply connects via a PT G1/8 tapered port, and travel deceleration is handled by adjustable air cushions at both ends.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-40 |
|---|---|
| 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 SAIJ32AX190-40
| 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 SAIJ32AX190-40 Is Used
End-Position Tuning
Dial in the exact 150 to 190 mm travel distance during machine commissioning to perfect part seating without machining new hard stops.
Product Changeover
Quickly adjust the retract end position by up to 40 mm on packaging lines running slightly different product lengths.
Light Assembly Clamping
Leverage the 402 N push force at 0.5 MPa to hold light components securely while allowing fine stroke adjustments for varying stack heights.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX190-40 the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when an application requires exact end-position tuning without swapping components or adding external stops; stepping up to a 40 mm bore increases the 0.5 MPa push force to 628 N for heavier loads. The rear adjuster acts strictly as a travel stop and does not hold the load without live air pressure—use an AirTAC SAIL or BSAI series cylinder if positive locking is required. For a direct ISO 15552 replacement match, specify the 32 mm bore, 190 mm stroke, 40 mm adjustment, PT G1/8 port, and your desired mounting style. Because the 190 mm stroke approaches the mid-range for this bore, ensure external guiding is used if side loads are present.
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 SAIJ32AX190-40 FAQ
An external adjusting screw at the rear of the cylinder acts as a mechanical stop, allowing you to shorten the effective travel from the 190 mm nominal stroke down to 150 mm. This creates a 150-190 mm usable window for fine-tuning the retract end position without changing the cylinder.
At 0.5 MPa operating pressure, the SAIJ32X190-40 provides 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
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