Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X900-40
The AirTAC Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X900-40 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø80mm bore and 900mm stroke, G3/8 air ports and adjustable end cushioning. Its no-tie-rod, hard-anodized profile barrel is more compact than an ISO 15552 cylinder of the same bore — a space-saver on tight machines.
- BoreØ80 mm
- Stroke900 mm
- Port sizeG3/8
- Acting typeDouble acting, adjustable stroke
- Rod threadM22×1.5
- CushionAdjustable, 29 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 JSIJ63~80 Adjustable Cylinder JSIJ80X900-40
Delivering 2513 N of push force at 0.5 MPa, this 80 mm bore JIS profile cylinder features a 900 mm extend stroke that can be shortened on-site by up to 40 mm. An external stop screw lets you fine-tune the end position without swapping the actuator, yielding a usable extend range of 860 to 900 mm while the retract end remains fixed. The extruded hard-anodized aluminium barrel omits external rods, making the body shorter and more compact than an equivalent ISO 15552 cylinder of the same bore. It handles about 1508 N of real work safely, which translates to roughly 128 kg lifted vertically with a 2:1 margin.
Air connects via a G3/8 port, driving a 25 mm piston rod with an M22x1.5 thread at speeds of 30-800 mm/s. Adjustable air cushions of 29 mm at each end absorb kinetic energy near the stroke limits. This specific SKU lacks a magnet and cannot accept CMSE or DMSE sensors; you would need the -S variant for position detection. Note that the cushions only decelerate the load, so an external rod lock or pilot-operated check valve is required to hold a load securely.
Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X900-40 Technical Specifications
| Model | Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X900-40 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 900 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G3/8 |
| Rod thread | M22×1.5 |
| 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, 29 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC JSI (JIS standard) datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G. Barrel: hard-anodized aluminum profile (no tie rods).
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 JSIJ63~80 Adjustable Cylinder JSIJ80X900-40
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 80 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×900 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensors. |
JSI-family variants: JSI (double acting), JSID (double rod), JSIJ (adjustable stroke). Mounting: LB / FA / FB / CA / CB / CR / TC / TCM1 / TCM2. Thread PT (blank) / G.
Where the Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X900-40 Is Used
Transfer Line Diverter
Pushes heavy pallets off a main conveyor belt, using the 40 mm external adjuster to fine-tune the diverter arm angle for different box sizes without changing the actuator.
Material Press Stop
Drives a vertical pressing head down 900 mm, relying on the adjustable stop screw to set precise lower dead center for consistent pressing depth on the workpiece.
Multi-Height Stacking
Extends to stack heavy components on a pallet, using the on-site stroke shortening feature to adapt the stacking height dynamically for various container dimensions.
Is the Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X900-40 the Right Cylinder?
When sizing this 80 mm bore, the neighbouring 63 mm bore offers 1559 N push at 0.5 MPa, while the 100 mm bore steps up to 3927 N if your application needs more power. The JSIJ mounting set includes Basic, FA, LB, TC, TCM1, and TCM2 options. The -40 mm adjustable window is highly useful for sharing a single spare cylinder across multiple machines that have slightly different stroke length requirements, as you simply dial in the exact end position on-site. Because this is a long 900 mm stroke, you must support the load with external guides to prevent rod bending and excessive side loading. Without the -S suffix, this model cannot host magnetic sensors.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ 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 Set cushions to minimum, then release gradually.
- check Use correct mounting accessory (LB/FA/FB/CA/CB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X900-40 FAQ
This 80 mm bore cylinder pushes 2513 N and pulls 2268 N at 0.5 MPa. At 0.7 MPa it pushes 3518 N and pulls 3175 N. The theoretical maximum force is 513 kgf at 1.0 MPa. It uses a G3/8 air port and features a 25 mm rod with an M22x1.5 thread.
The nominal 900 mm stroke is the maximum extend length. The external adjuster allows you to shorten the extend stroke by up to 40 mm on-site, giving a usable range of 860 to 900 mm. The retract end is fixed, and the stop screw sets the end position but does not lock the load.
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