Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X225-50S
The AirTAC Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X225-50S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø80mm bore and 225mm 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
- Stroke225 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 JSIJ80X225-50S
Delivering 2513 N of push force at 0.5 MPa, this 80 mm bore JIS profile cylinder saves machine space by being shorter than a same-bore ISO 15552 unit. The hard-anodized aluminum barrel omits external rods, keeping the build clean and compact while housing an adjustable air cushion of 29 mm at each end. A G3/8 port feeds the double-acting single-rod piston, which moves a 25 mm rod threaded M22x1.5.
The -50 code means an external adjuster can shorten the extend stroke on-site by up to 50 mm, giving a usable forward range of 175 to 225 mm without swapping the cylinder. This on-site tuning is ideal for dialing in end positions, while the retract end remains fixed. The -S suffix adds a piston magnet for CMSE/DMSE switches in the side grooves. In practice it handles about 1508 N of real work, roughly 128 kg lifted vertically with a 2:1 margin.
Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X225-50S Technical Specifications
| Model | Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X225-50S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 225 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 JSIJ80X225-50S
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 80 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×225 | 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 JSIJ80X225-50S Is Used
Press Fit Tuning
Dial in the exact seating depth of a bearing on-site using the 50 mm extend window, avoiding cylinder swaps if the press dimension changes slightly.
Variable Transfer Stop
Act as an adjustable flight stop on a conveyor line, shortening the extend stroke by up to 50 mm to accommodate different package lengths without reprogramming.
Vertical Lift Dampening
Lift loads up to 128 kg vertically, relying on the 29 mm adjustable air cushions to decelerate the payload smoothly at the end of the 225 mm travel.
Is the Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X225-50S the Right Cylinder?
For sizing, the 80 mm bore sits between the 63 mm class (1559 N push at 0.5 MPa) and the 100 mm class (3927 N). Choose this when you need substantial thrust but want to avoid the bulk of the 100 mm unit. The adjustable stroke is perfect for sharing a single spare across multiple stroke variants or fine-tuning a final end position on-site. Mounting options include FA, LB, TC, TCM1, and TCM2. Because this unit has the -S magnet, you can fit CMSE/DMSE reed or electronic sensors directly into the barrel groove. For a 225 mm stroke, ensure adequate guidance to prevent side-load wear on 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 JSIJ80X225-50S 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. The cylinder uses a G3/8 port and a 25 mm rod.
The nominal 225 mm stroke is the maximum. An external stop screw lets you shorten the extend stroke on-site by up to 50 mm, yielding a usable range of 175 to 225 mm. The retract end is fixed. This stop only sets the end position; it is not a load lock.
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