Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X125-30
The AirTAC Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X125-30 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø80mm bore and 125mm 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
- Stroke125 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 JSIJ80X125-30
Generating 2513 N of push force at 0.5 MPa, this 80 mm bore JIS profile cylinder brings a compact footprint that is physically shorter than a same-bore ISO 15552 unit. The hard-anodized aluminum extruded barrel keeps the assembly clean without external tie rods, and the G3/8 port matches the bore standard.
The dash-30 code means an external stop screw lets you shorten the 125 mm extend stroke by up to 30 mm right at the machine, yielding a usable 95-125 mm range while the retract end stays fixed. This on-site tuning is ideal for dialing in a precise end position without swapping the whole actuator, and it handles about 1508 N of real work, which translates to lifting roughly 128 kg vertically with a 2:1 safety margin.
Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X125-30 Technical Specifications
| Model | Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X125-30 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 125 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 JSIJ80X125-30
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 80 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×125 | 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 JSIJ80X125-30 Is Used
Press Stroke Tuning
Dial in the exact 95-125 mm extend contact point on a light assembly press without machining new hard stops.
Variable Transfer Stops
Adjust the extend length on a packaging line diverter to handle different carton depths on the fly.
Shared Spare Inventory
Keep one actuator in stock and use the 30 mm shortening window to cover multiple 80 mm bore machines.
Is the Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X125-30 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 the 80 mm at 2513 N sits perfectly in the middle for medium-duty cycles. The dash-30 adjustable window is a huge advantage when you need to share one spare cylinder across several stroke variants or fine-tune a final end position on the fly. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2. Because this specific SKU lacks the -S suffix, it cannot accept a magnetic sensor; you would need the -S version for CMSE or DMSE switches. For any stroke length at or above 300 mm, always 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 JSIJ80X125-30 FAQ
At 0.5 MPa it provides 2513 N push and 2268 N pull. At 0.7 MPa it delivers 3518 N push and 3175 N pull. The theoretical maximum force is 513 kgf at 1.0 MPa, and the air port is G3/8.
The nominal 125 mm extend stroke is the maximum. The external adjuster lets you shorten the extend stroke by up to 30 mm on site, giving a usable range of 95-125 mm. The retract end remains fixed, and the adjuster only sets the end position—it is not a load lock.
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1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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