Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-40S 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 SAIJ32BX185-40S
The AirTAC SAIJ32X185-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a 402N push force at 0.5 MPa and features a 12mm SUS304 stainless steel rod with an M10x1.25 thread. By turning the rear adjustment screw, you can trim the nominal 185mm stroke back by up to 40mm, creating a precise 145-185mm usable travel window for exact end-position tuning.
This adjustable-stroke design eliminates the need to swap cylinders or add external stops during product changeover. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated -S magnet supports CMSE reed and DMSE electronic solid-state switches. It uses a PT tapered G1/8 port and variable air cushions at both ends to decelerate the load smoothly.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-40S |
|---|---|
| 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 SAIJ32BX185-40S
| 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 SAIJ32BX185-40S Is Used
End-Position Tuning
Dial in the exact 145 to 185mm travel distance during machine commissioning without machining external stopper blocks.
Product Changeover
Quickly adapt the stroke end-point on packaging lines when handling slightly different carton or product sizes.
Sensor Setup
Leverage the dual sensor grooves and -S magnet to precisely set CMSE or DMSE switch positions alongside the mechanical stop.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX185-40S the Right Cylinder?
Choose this 32mm bore when your application requires the 402N push force at 0.5 MPa, stepping down from a 40mm bore that yields 628N. The 40mm adjustment range is ideal for machine setups requiring variable end-stops without replacing hardware. Mounting options include the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2. Note that the rear adjuster acts only as a travel stop; for load-holding without live air, select an SAIL or BSAI cylinder. As a true ISO 15552 cylinder, it matches standard interface dimensions and requires a PT G1/8 port, M10x1.25 thread, and -S magnet for sensors.
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 SAIJ32BX185-40S FAQ
At 0.5 MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. It can reach up to 724N push force at 0.9 MPa.
The rear adjusting screw acts as a mechanical stopper, allowing you to shorten the effective travel from the 185mm nominal stroke down to a minimum of 145mm. It sets the end position but does not lock the load without live air pressure.
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