Airtac SAIJ80 Adjustable Cylinder SAIJ80BX600-50
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX600-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 600mm 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
- Stroke600 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX600-50
The AirTAC SAIJ80X600-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to fine-tune the retract end position. With a nominal 600 mm stroke and a 50 mm adjustment screw, it provides a usable travel window of 550-600 mm. This bore size delivers 2513 N of pull force at 0.5 MPa and utilizes a 25 mm SUS304 stainless steel rod with an M20x1.5 thread.
This model features PT tapered port threads (G3/8) and operates without a magnet. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting options cover Basic, FA, LB, TC, FTC, TCM1, and TCM2. The rear adjuster acts purely as a mechanical stop for end-position tuning and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX600-50 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX600-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 600 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 SAIJ80BX600-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×600 | 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 SAIJ80BX600-50 Is Used
Variable End-Stop Setup
Dial in the exact 550 to 600 mm retract distance during machine commissioning without adding external physical stops or swapping cylinders.
Product Size Changeover
Quickly adjust the stroke length on packaging or conveying lines to handle different carton or product sizes on the fly.
Long-Stroke Clamping
Use the 2513 N pull force to secure large workpieces, relying on the rear stopper to fine-tune the final clamping position.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX600-50 the Right Cylinder?
Choose this adjustable-stroke model when your application requires frequent end-stop changes during commissioning or product size changeovers, avoiding the need to physically swap out a fixed-stroke SAI cylinder. If your machine requires less force, stepping down to a 63 mm bore yields 1402 N of pull at 0.5 MPa; if you need more clamping power, moving up to a 100 mm bore provides 3681 N of pull.
Because the 600 mm stroke is quite long, the 25 mm rod and M20x1.5 thread will carry significant side loads, but you should still use an external guide rail to prevent rod sag and binding. To match this ISO 15552 footprint exactly, specify an 80 mm bore, 600 mm stroke, 50 mm adjustment, PT G3/8 ports, and no magnet. Note that for load-holding without live pressure, you must look to the SAIL or BSAI series, as this cylinder's adjuster and air cushions are not locks.
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 SAIJ80BX600-50 FAQ
At 0.5 MPa, this 80 mm bore cylinder provides 2513 N of pull force and 2268 N of push force. It has a maximum operating speed of 30-800 mm/s.
The rear adjuster screw lets you shorten the 600 mm nominal stroke by up to 50 mm, creating a 550-600 mm usable travel window. It functions as a mechanical stop for end-position tuning and does not lock or hold the load without continuous air pressure.
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