Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 375mm 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
- Stroke375 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-100S
The AirTAC SAIJ32X375-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers 402N of push force at 0.5 MPa and provides a usable travel window of 275-375 mm, allowing you to dial back the 375 mm nominal stroke by up to 100 mm. The barrel is extruded aluminum, distinguishing it from tie-rod designs, and includes sensor grooves on both sides.
This specific configuration features a SUS304 stainless steel rod for superior corrosion resistance and a built-in magnet compatible with AirTAC CMSE reed and DMSE electronic sensors. The PT tapered port threads match the G1/8 standard for this bore size. The rear adjuster acts purely as a mechanical stop to fine-tune the retract end position without adding external stops.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 375 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 SAIJ32BX375-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×375 | 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 SAIJ32BX375-100S Is Used
Machine Changeover
Dial in the exact retract distance within the 275-375 mm window when switching between product sizes on a packaging line, without replacing the cylinder.
End-Position Tuning
Fine-tune the final retract stop during initial commissioning to perfect alignment, using the 100 mm adjustment range rather than adding external mechanical spacers.
Variable End Stops
Accommodate varying package lengths on a conveyor sorting system by adjusting the stroke back from 375 mm to meet specific pusher requirements.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-100S the Right Cylinder?
Choose this 32 mm bore adjustable cylinder when you need precise end-position tuning during machine commissioning or product changeover, avoiding the need to physically swap out a fixed-stroke SAI cylinder. If your application requires higher force, stepping up to a 40 mm bore yields 628N of push force at 0.5 MPa. Because the stroke is 375 mm, an external guide is recommended to prevent excessive side loading on the 12 mm rod.
To replace this ISO 15552 cylinder, match the 32 mm bore, 375 mm stroke, 100 mm adjustment range, PT G1/8 port, and the -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Note that the rear adjuster and air cushions only decelerate the load; they do not hold position without live air, so use a SAIL or BSAI lock cylinder for load-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 SAIJ32BX375-100S FAQ
This 32 mm bore cylinder generates 402N of push force and 345N of pull force at 0.5 MPa. At 0.7 MPa, the push force increases to 563N.
The rear adjuster acts as a mechanical stop that lets you shorten the effective travel from the 375 mm nominal stroke down to as little as 275 mm. It only sets the end position and does not lock the load without live air pressure.
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