Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X275-50
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X275-50 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 275mm stroke, G1/2 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.
- BoreØ100 mm
- Stroke275 mm
- Port sizeG1/2
- Acting typeDouble acting, double rod, adjustable stroke
- Rod threadM26×1.5
- CushionAdjustable, 33 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 JSIJ100~125 Adjustable Cylinder JSIJ100X275-50
The extruded hard-anodized aluminium profile barrel makes the body shorter and more compact than a same-bore ISO 15552 cylinder. Air connects via a G1/2 port, driving a 32 mm rod with an M26x1.5 thread.
The external stop screw provides a 50 mm window to shorten the extend stroke on site, yielding a usable forward range of 225 to 275 mm while the retract end remains fixed. You can fine-tune the end position without changing the cylinder itself, and the 33 mm adjustable air cushions at both ends decelerate the motion smoothly. Note that this plain SKU lacks a magnet and cannot take a CMSE or DMSE sensor; for that you need the -S variant. A plain cylinder also does not hold load on air loss, so use an external rod lock or pilot-operated check valve if you need to prevent drift.
Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X275-50 Technical Specifications
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X275-50 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 275 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | G1/2 |
| Rod thread | M26×1.5 |
| 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, 33 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3525 N | 3525 N |
| 0.7 MPa | 4935 N | 4935 N |
| Max (@1.0 MPa) | 719 kgf | |
JSIJ is double-rod: the rear rod that carries the stroke adjuster passes through the rear cover, so both piston faces lose rod area. Push is shown at the annular-area value (conservative).
Model Code: Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X275-50
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 100 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×275 | 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 JSIJ100~125 Adjustable Cylinder JSIJ100X275-50 Is Used
Press Tonnage Calibration
Use the 50 mm extend window to fine-tune the pressing depth of assembly stations on the factory floor without swapping actuators.
Is the Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X275-50 the Right Cylinder?
When sizing this 100 mm bore actuator, stepping down to an 80 mm bore drops the 0.5 MPa push force to 2513 N, while stepping up to 125 mm raises it to 6136 N. This model hits a solid middle ground for medium-heavy machinery. The 50 mm adjustable window is ideal when you need to tune end positions on site or want a single shared spare across slightly different stroke variants. Mounting options include FA, LB, TC, TCM1, and TCM2 brackets. Because this is a 275 mm stroke, ensure you guide the load to prevent side-load wear on the rod. Remember that this no-magnet SKU cannot support position sensing.
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 JSIJ100~125 Adjustable Cylinder JSIJ100X275-50 FAQ
At 0.5 MPa it pushes 3927 N and pulls 3574 N. At 0.7 MPa it pushes 5497 N and pulls 5003 N. The theoretical maximum force is 801 kgf at 1.0 MPa. The air port size is G1/2.
The external stop screw lets you shorten the extend stroke by up to 50 mm on site. The nominal 275 mm stroke is the maximum, giving a usable forward range of 225 to 275 mm. The retract end is fixed, and the stop only sets the end position, acting as a cushion rather than 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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