Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 1000mm 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.
- BoreØ40 mm
- Stroke1000 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10
The AirTAC SAIJ40X1000-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that lets you fine-tune the retract end-position by up to 10 mm, creating a precise 990-1000 mm usable travel window. Built with an extruded aluminum barrel and a SUS304 stainless steel rod, it delivers 879 N of push force at 0.7 MPa. The PT tapered port threads ensure a tight, leak-free pneumatic connection.
Because the nominal 1000 mm stroke is near the maximum standard limit for this bore, the integrated rear stopper is invaluable for dialing in exact end positions during commissioning without adding external stops. The cylinder operates at speeds of 30-800 mm/s and uses an M12x1.25 rod thread to handle moderate side loads, though long unsupported strokes still require external guiding.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 1000 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 | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×1000 | 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 SAIJ40BX1000-10 Is Used
Long-Stroke Forming
Dial in the exact 990-1000 mm retract position during machine setup to accommodate varying material thicknesses without swapping out the entire cylinder.
Product Diversion
Fine-tune the end stop on a long-transfer line to adjust the pusher distance for different carton sizes on the fly.
Assembly Line Changeover
Quickly reconfigure the stroke window by up to 10 mm during product changeovers, reducing downtime and eliminating the need for mechanical shims.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10 the Right Cylinder?
Choose this 40 mm bore when an application requires around 879 N of push force at 0.7 MPa; stepping down to a 32 mm bore drops the output to 563 N, while a 50 mm bore increases it to 1374 N. The 10 mm rear adjuster acts purely as a travel stop and does not lock the load—maintain live air to hold position, or select an AirTAC SAIL or BSAI cylinder for true pneumatic locking. To match this exact ISO 15552 footprint, specify the 40 mm bore, 1000 mm stroke, 10 mm adjustment, PT ports, and no magnet.
At 1000 mm of travel, the 16 mm rod is susceptible to buckling and side-loading forces. Always pair this cylinder with an external linear guide to support the load and prevent premature seal wear. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR.
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 SAIJ40BX1000-10 FAQ
At 0.7 MPa operating pressure, this 40 mm bore cylinder provides 879 N of push force and 528 N of pull force. It can deliver up to 1130 N of push force at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke by up to 10 mm, resulting in a 990-1000 mm travel window. It only sets the end position and does not hold the load without live air pressure.
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