Airtac SAIJ50 Adjustable Cylinder SAIJ50X325-100
The AirTAC Airtac SAIJ50 Adjustable Cylinder SAIJ50X325-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 325mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ50 mm
- Stroke325 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ50 Adjustable Cylinder SAIJ50X325-100
The AirTAC SAIJ50X325-100 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 982N of push force at 0.5MPa. It features a 16mm carbon steel piston rod, G1/4 PT ports, and variable air cushions at both ends to manage impact. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
With a 325mm nominal stroke and a 100mm adjustment range, this SKU provides a usable travel window of 225-325mm. This wide tuning band allows operators to dial in exact retract end-positions during commissioning or product changeovers without swapping the cylinder. The rear mechanism acts purely as a travel stop to set deceleration, not as a lock, so live air is required to hold the load.
Airtac SAIJ50 Adjustable Cylinder SAIJ50X325-100 Technical Specifications
| Model | Airtac SAIJ50 Adjustable Cylinder SAIJ50X325-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 325 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M16×1.5 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ50 Adjustable Cylinder SAIJ50X325-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×325 | 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 SAIJ50 Adjustable Cylinder SAIJ50X325-100 Is Used
Variable End-Stop Positioning
Dial in the retract position anywhere from 225mm to 325mm during machine commissioning to accommodate different material lengths without changing hardware.
Product Size Changeover
Quickly adjust the stroke stop on packaging lines when switching between different package sizes, minimizing downtime between production runs.
Long-Stroke Assembly Pressing
Use the 325mm travel to reach deep into work areas, relying on the 100mm adjuster to fine-tune the final pressing position safely.
Is the Airtac SAIJ50 Adjustable Cylinder SAIJ50X325-100 the Right Cylinder?
Choose this 50mm bore when an application requires approximately 982N push force at 0.5MPa, stepping up from a 40mm bore (628N) if extra thrust is needed, or down to a 32mm bore (402N) for lighter loads. The 100mm adjustment window is ideal for machines processing varying product sizes, replacing the need for fixed-stroke SAI cylinders when exact end-stop positions fluctuate. Because the nominal stroke is 325mm, an external guide should be used to support the rod and prevent excessive side-loading.
For a direct ISO 15552 replacement match, specify the 50mm bore, 325mm stroke, 100mm adjustment, PT threaded G1/4 ports, and your required mounting style from the SAIJ set (Basic, FA, LB, TC, FTC, TCM1, TCM2). This configuration uses a standard carbon steel rod and does not include a magnet. If position holding without live air pressure is required, use an external rod lock or pilot-operated check valve, as the adjuster is not a brake.
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 SAIJ50 Adjustable Cylinder SAIJ50X325-100 FAQ
At 0.5MPa, this 50mm bore cylinder provides 982N of push force and 825N of pull force. The operational speed range is 30-800mm/s, regulated by the variable air cushions at both ends.
The rear adjuster acts as a mechanical stop that trims the effective stroke back by up to 100mm, creating a usable travel window of 225-325mm. It sets the end-position but does not lock the load without live air pressure.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac SAIJ50 Adjustable Cylinder SAIJ50X325-100
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.