Airtac SAIJ40 Adjustable Cylinder SAIJ40AX700-75
The AirTAC SAIJ40 Adjustable Cylinder SAIJ40AX700-75 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 SAIJ40AX700-75
The AirTAC SAIJ40X700-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 625 to 700 mm usable travel window, allowing you to dial back the retract position by up to 75 mm during machine commissioning without adding external stopper blocks.
This unit is built with a SUS420J2 stainless steel rod for superior corrosion resistance and features PT tapered port threads (G1/4). The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. Remember that the rear adjuster acts as a travel stop and deceleration aid, not a load-holding lock; it cannot hold a position without live air pressure.
Airtac SAIJ40 Adjustable Cylinder SAIJ40AX700-75 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40AX700-75 |
|---|---|
| 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 SAIJ40AX700-75
| 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 SAIJ40AX700-75 Is Used
Changeover Calibration
Dial in the exact 625 to 700 mm retract position during product size transitions without disassembling the line or adding external shims.
Variable End Stops
Adjust the rear stopper to alter the resting position of packaging pushers, accommodating different carton depths on the fly.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40AX700-75 the Right Cylinder?
If your process demands less force, stepping down to a 32 mm bore yields 402 N, while heavier payloads require stepping up to a 50 mm bore for 982 N. Because the 700 mm stroke is substantial, an external guide is recommended to prevent rod side-loading and premature seal wear.
An adjustable stroke is preferred over a fixed SAI cylinder when machinery processes varying part sizes, letting you fine-tune the retract end-stop on the fly. For true load-holding without continuous air pressure, this cylinder will not suffice; consider an AirTAC SAIL or BSAI series instead. To match this ISO 15552 interchangeable replacement, specify: 40 mm bore, 700 mm stroke, 75 mm adjustment, PT G1/4 port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mountings, and no magnet.
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 SAIJ40AX700-75 FAQ
The 75 mm rear adjuster creates a usable travel window between 625 and 700 mm, allowing you to shorten the nominal stroke as needed.
No, the rear adjuster is a travel stop that sets the end position and works with the air cushion to decelerate the piston. It is not a locking mechanism. For load-holding without live air pressure, consider the AirTAC SAIL or BSAI clamp-lock series.
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 SAIJ40 Adjustable Cylinder SAIJ40AX700-75
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.