Airtac SAIJ125 Adjustable Cylinder SAIJ125X95-30S
The AirTAC Airtac SAIJ125 Adjustable Cylinder SAIJ125X95-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø125mm bore and 95mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ125 mm
- Stroke95 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SAIJ125 Adjustable Cylinder SAIJ125X95-30S
The AirTAC SAIJ125X95-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 6136N of push force at 0.5 MPa and features a 95mm nominal stroke that can be dialed back by up to 30mm, yielding a precise 65-95mm usable travel window. This built-in adjustability allows you to fine-tune the retract end position during commissioning without adding external stops.
This model includes a magnet for position sensing and is engineered with a 32mm carbon steel rod and an M27x2 rod thread to handle high side loads. It uses PT tapered ports and runs at 30-500mm/s. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches.
Airtac SAIJ125 Adjustable Cylinder SAIJ125X95-30S Technical Specifications
| Model | Airtac SAIJ125 Adjustable Cylinder SAIJ125X95-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 95 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M27×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 40 mm |
| Max stroke | Up to 1500 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ125 Adjustable Cylinder SAIJ125X95-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×95 | 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 SAIJ125 Adjustable Cylinder SAIJ125X95-30S Is Used
Product Changeover
Dial in the 65-95mm travel window on packaging lines to accommodate different carton sizes without swapping the actuator.
End-Position Tuning
Fine-tune the retract stop during machine setup to perfect the seating force of heavy 6136N pressing operations.
Adjustable Ejector
Vary the ejection length on an assembly line to safely push parts of varying widths into a downstream chute.
Is the Airtac SAIJ125 Adjustable Cylinder SAIJ125X95-30S the Right Cylinder?
Choose this 125mm bore when an 80mm cylinder's 2513N push force is insufficient but you need the flexibility to trim travel for product changeovers. The rear adjusting screw acts purely as a mechanical stop to set the end position; it does not hold the load without live air. For load-holding requirements without pneumatic pressure, consider an AirTAC SAIL or BSAI cylinder. To match this ISO 15552 interchangeable cylinder, specify a 95mm stroke, 30mm adjustment, PT port thread, and the -S magnet option.
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 SAIJ125 Adjustable Cylinder SAIJ125X95-30S FAQ
At 0.5 MPa operating pressure, this 125mm bore cylinder provides 6136N of push force and 5734N of pull force. It can reach a maximum push force of 1251 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the 95mm nominal stroke by up to 30mm, creating a 65-95mm travel window. This stopper sets the end position but does not lock the load without continuous air pressure.
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Standard models usually ship in 3-4 days.
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