Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10S
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10S 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 SAIJ40BX1000-10S
The AirTAC SAIJ40X1000-10-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 1000 mm stroke that can be fine-tuned down by up to 10 mm, giving you a precise 990-1000 mm travel window during commissioning. In the 40 mm bore class, it delivers 628 N of push force and 528 N of pull force at 0.5 MPa, operating efficiently between 30-800 mm/s.
This specific configuration includes a SUS304 stainless steel rod for superior corrosion resistance and a built-in magnet for position sensing. The extruded aluminum barrel features sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic solid-state switches. Fluid must be filtered to 40 um, and the cylinder operates safely between -20 and +70 C.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10S Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10S |
|---|---|
| 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 SAIJ40BX1000-10S
| 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 SAIJ40BX1000-10S Is Used
Long-Stroke Material Push
Transfers products across wide conveyor gaps, using the 10 mm rear adjustment to dial in the exact push-off distance without external stopper blocks.
Machine Changeover Setup
Quickly fine-tunes the retract end-position during product size changes on a packaging line, saving setup time by adjusting the rear screw directly.
Corrosive Environment Actuation
Leverages the SUS304 stainless steel rod to reliably actuate doors or gates in washdown or mildly corrosive industrial environments.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX1000-10S the Right Cylinder?
Choose this 40 mm bore when an application requires moderate force, stepping up from a 32 mm bore (402 N push at 0.5 MPa) without the bulk of a 50 mm bore (982 N push). The adjustable stroke is ideal for variable end-stops or product changeovers, preventing the need to swap cylinders or bolt on external stops. To match this exact SKU for an ISO 15552 replacement, specify: 40 mm bore, 1000 mm stroke, 10 mm adjustment, PT tapered port threads, SUS304 rod, and the -S magnet option.
Because the stroke is 1000 mm, the 16 mm rod requires external guidance to prevent excessive side-loading and premature seal wear. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for dead-load holding, consider an AirTAC SAIL or BSAI cylinder. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, 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 SAIJ40BX1000-10S FAQ
At 0.5 MPa operating pressure, this 40 mm bore cylinder provides 628 N of push force and 528 N of pull force. 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 1000 mm nominal stroke by up to 10 mm, creating a 990-1000 mm usable travel window. It only sets the end position and does not lock the load without continuous air pressure.
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