Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X250-50
The AirTAC Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X250-50 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø80mm bore and 250mm 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
- Stroke250 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 JSIJ80X250-50
Delivering 2513 N of push force at 0.5 MPa, this 80 mm bore JIS profile cylinder is built for applications needing on-site end-position tuning. An external stop screw lets you shorten the extend stroke by up to 50 mm, giving a usable range of 200 to 250 mm without swapping the actuator. The retract end remains fixed. Its extruded hard-anodized aluminum barrel makes it shorter and more compact than a same-bore ISO 15552 cylinder, while the G3/8 port handles the air flow for 30-800 mm/s speeds.
In practical terms, it handles about 1508 N of real work safely, which means lifting roughly 128 kg vertically with a 2:1 margin. Adjustable air cushions of 29 mm at each end decelerate the load smoothly. Note that this SKU lacks a magnet and cannot take a CMSE or DMSE sensor; for the -S variant if you need position feedback. Also, the cushion only decelerates, so use an external rod lock or pilot-operated check valve to hold a load on air loss.
Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X250-50 Technical Specifications
| Model | Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X250-50 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 250 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 JSIJ80X250-50
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 80 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×250 | 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 JSIJ80X250-50 Is Used
Press Stroke Tuning
Dial in the exact 200 to 250 mm extend position on a light assembly press without machining new spacers or changing the cylinder.
Variable Transfer Stops
Adjust the extend stop on a diverter gate by up to 50 mm to handle different package sizes on the same production line.
Lift Station Setup
Safely lift 128 kg loads vertically while fine-tuning the raised end position to match varying pallet heights on site.
Is the Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X250-50 the Right Cylinder?
When sizing, the 63 mm bore offers 1559 N push at 0.5 MPa, while the 100 mm bore jumps to 3927 N, so this 80 mm actuator at 2513 N sits right in the middle for medium-heavy tasks. The -50 mm adjustable window is ideal when you need to fine-tune the extend endpoint on-site or want a shared spare across slightly different stroke variants. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2. Because the 250 mm stroke is over 300 mm, ensure you use a guide rail to prevent side-load damage to the piston rod.
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 JSIJ80X250-50 FAQ
At 0.5 MPa it pushes 2513 N and pulls 2268 N. At 0.7 MPa it pushes 3518 N and pulls 3175 N. The theoretical maximum force is 513 kgf at 1.0 MPa. This 80 mm bore cylinder uses a G3/8 air port and features a 25 mm piston rod with an M22x1.5 thread.
The nominal stroke is 250 mm, which is the maximum extend length. The external adjuster lets you shorten the extend stroke by up to 50 mm on-site, giving a usable extend range of 200 to 250 mm. The retract end is fixed, and the adjuster sets the end position but does not lock the load.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC JSI Cylinders
Request a Quote for Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X250-50
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.