Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 185mm 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
- Stroke185 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-100
The AirTAC SAIJ32X185-100 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that creates an 85-185 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it utilizes a 12 mm SUS304 stainless steel rod and PT tapered ports. This configuration is ideal for environments requiring corrosion resistance.
Instead of bolting on external stops, the integrated rear screw allows you to fine-tune the retract end-position during commissioning or product changeover. The extruded aluminum barrel includes sensor grooves on both sides, ready for AirTAC CMSE reed or DMSE electronic switches if a magnet is added later.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 185 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 SAIJ32BX185-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×185 | 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 SAIJ32BX185-100 Is Used
Machine Changeover
Dial in the 85-185 mm travel window during product size changes to set new retract positions without physically remounting the cylinder.
Variable End Stops
Use the 100 mm rear adjustment screw to set precise retract limits for light-duty pressing or positioning tasks at 0.5 MPa.
Corrosive Environments
Leverage the SUS304 stainless steel rod for pneumatic actuation in packaging or chemical handling where rust prevention is critical.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-100 the Right Cylinder?
Choose this 32 mm bore when you need precise end-position tuning without swapping cylinders, stepping down from a 40 mm bore (528 N pull at 0.5 MPa) to save space, or up from a smaller unit if 402 N is insufficient. The generous 100 mm adjustment range on a 185 mm stroke provides exceptional flexibility for variable end stops. For a fixed-position drop-in, match the 32 mm bore, 185 mm stroke, PT ports, SUS304 rod, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounts.
Because the stroke is under 300 mm, side-load risks are moderate, but the 12 mm rod still requires external guiding for heavy lateral loads. Remember that the rear adjuster is a travel stop, not a lock; the cylinder cannot hold a load without live air, so consider an AirTAC SAIL or BSAI for positive holding.
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 SAIJ32BX185-100 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder 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.
The rear adjuster screw allows you to trim the effective stroke back by up to 100 mm from the nominal 185 mm, creating an 85-185 mm usable travel window. It acts as a physical stop for end-position tuning and is not a locking device.
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