Airtac SAIJ40 Adjustable Cylinder SAIJ40AX700-40
The AirTAC SAIJ40 Adjustable Cylinder SAIJ40AX700-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 700mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ40 mm
- Stroke700 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- 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 SAIJ40 Adjustable Cylinder SAIJ40AX700-40
The AirTAC SAIJ40X700-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 660-700 mm usable travel window. The extruded aluminum barrel includes sensor grooves on both sides for straightforward position feedback installation.
This model is equipped with PT tapered port threads (G1/4) and provides variable air cushions at both ends to decelerate the load smoothly. The rear stopper mechanism allows precise end-position tuning during commissioning without adding external stops, though it acts purely as a travel limiter and does not hold the load without live air pressure.
Airtac SAIJ40 Adjustable Cylinder SAIJ40AX700-40 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40AX700-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 700 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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, 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 528 N | 528 N |
| 0.7 MPa | 739 N | — |
| Max (@1.0 MPa) | 108 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ40 Adjustable Cylinder SAIJ40AX700-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×700 | 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 SAIJ40 Adjustable Cylinder SAIJ40AX700-40 Is Used
Machine Changeover
Dial in the 660-700 mm retract end-stop during product size changes without swapping cylinders or repositioning hard stops.
Diversion Setup
Fine-tune the actuator stroke on a sorting line to accommodate varying package lengths at commissioning.
Assembly Positioning
Adjust the end position precisely to press or seat components at varying depths within the 40 mm window.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40AX700-40 the Right Cylinder?
The adjustable 40 mm window is ideal for product changeovers or fine-tuning the retract position on the fly, avoiding the need to physically swap out a fixed-stroke SAI cylinder. To match this exact unit for an ISO 15552 replacement, verify the 700 mm stroke, 40 mm adjustment, PT G1/4 port, and the SUS420J2 rod material.
Because this cylinder features a 700 mm stroke, the extended rod is susceptible to side-loading; always use an external guide to prevent binding. Note that the SAIJ mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets. If your setup requires true load-holding without continuous air pressure, consider an AirTAC SAIL or BSAI cylinder instead.
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 SAIJ40 Adjustable Cylinder SAIJ40AX700-40 FAQ
At 0.7 MPa, the push force increases to 879 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from the nominal 700 mm down to 660 mm. It sets the travel end and relies on the air cushion for deceleration, but it does not lock or hold the load without live air.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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