Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50S 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 SAIJ32AX375-50S
The AirTAC SAIJ32X375-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 325-375 mm usable travel window. Delivering 563 N of push force at 0.7 MPa, it is built with a SUS420J2 stainless steel rod for enhanced corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides to house CMSE reed or DMSE electronic switches.
This adjustable-stroke design allows you to fine-tune the retract end-position at commissioning without swapping the cylinder or adding external stops. The rear adjuster functions purely as a travel stop to set deceleration and cannot hold a load without live air pressure. It supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50S |
|---|---|
| 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 SAIJ32AX375-50S
| 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 SAIJ32AX375-50S Is Used
Variable End-Stop Tuning
Dial in the exact retract distance within the 325-375 mm window during machine setup to accommodate varying material thicknesses without changing hardware.
Product Size Changeover
Quickly adjust the stroke stop on packaging lines when switching between different product sizes, minimizing downtime and avoiding external stop blocks.
Actuation Feedback
Leverage the -S magnet and dual sensor grooves to mount DMSE solid-state switches for precise end-of-stroke confirmation in automated assembly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-50S the Right Cylinder?
Choose this 32 mm bore when you need precise variable end-stops for product-size changeovers, stepping up from a smaller bore if your thrust requirements exceed 400 N at 0.5 MPa. The 375 mm stroke on a 12 mm rod means long unsupported travel, so an external guide is recommended to manage side-load stress and prevent binding. For load-holding without continuous air pressure, this cylinder is insufficient as the adjuster is not a lock; consider an AirTAC SAIL or BSAI series instead.
To match this ISO 15552 replacement exactly, configure the 32 mm bore with a 375 mm stroke, up to 50 mm adjustment, PT tapered ports, and the -S magnet option. The standard SAIJ mounting interface is dimensionally interchangeable with ISO 15552 cylinders, ensuring straightforward integration into existing setups.
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 SAIJ32AX375-50S FAQ
At 0.7 MPa operating pressure, this 32 mm bore cylinder provides 563 N of push force and 345 N of pull force. It can deliver a maximum force of 82 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the nominal 375 mm stroke by up to 50 mm, creating a usable travel window of 325-375 mm. It acts as a mechanical stop for end-position tuning and is not a locking mechanism.
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