Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 900mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke900 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-10S
The AirTAC SAIJ80X900-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 2513N pull force at 0.5 MPa and utilizes a 25mm SUS420J2 stainless steel rod with an M20x1.5 thread. Equipped with a magnet, it supports CMSE reed and DMSE electronic sensors housed in the dual-side barrel grooves.
This model delivers a usable travel window of 890-900mm, allowing precise end-position tuning during commissioning without external stops. The PT tapered port threads match the G3/8 air supply. The rear adjuster acts purely as a travel stop for deceleration, not a load lock.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 900 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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, 36 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×900 | 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 SAIJ80 Adjustable Cylinder SAIJ80AX900-10S Is Used
Variable End-Stop Tuning
Dial in the exact retraction point within the 890-900mm window during machine commissioning to accommodate varying product sizes without adding external mechanical stops.
Long-Stroke Positioning
Move heavy fixtures along a 900mm path using 2513N pull force, relying on the external rear adjuster to set the precise final resting position.
Setup and Changeover
Quickly modify the effective stroke length by up to 10mm during product line changeovers, saving time compared to physically replacing the entire cylinder.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-10S the Right Cylinder?
Choose this adjustable-stroke cylinder when you need to fine-tune a long 900mm travel endpoint at machine setup, avoiding the need to swap a fixed SAI cylinder. If your application requires less force, stepping down to a 63mm bore yields 1402N pull at 0.5 MPa. For higher force, a 100mm bore provides 3681N pull.
Because the 900mm stroke is long, the 25mm rod and M20x1.5 thread carry significant side loads, but an external guide is still recommended to prevent rod bending. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2. This cylinder does not hold loads without live air; for true locking, use a SAIL or BSAI model.
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 SAIJ80 Adjustable Cylinder SAIJ80AX900-10S FAQ
At 0.5 MPa, this 80mm bore cylinder provides 2513N push and 2268N pull force. At 0.7 MPa, push increases to 3518N. The operational speed range is 30-800 mm/s.
The rear adjuster screw lets you shorten the 900mm nominal stroke by up to 10mm, creating a usable 890-900mm travel window. This stopper sets the deceleration endpoint but does not lock the load without live air pressure.
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