Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X25-10
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X25-10 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø40mm bore and 25mm stroke, G1/4 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.
- BoreØ40 mm
- Stroke25 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM14×1.5
- CushionAdjustable, 20.5 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 JSIJ32~50 Adjustable Cylinder JSIJ40X25-10
Generating 628 N of push force at 0.5 MPa, this compact 40 mm bore JIS profile cylinder is purpose-built for tight machinery where every millimeter counts. The extruded hard-anodized aluminum body is noticeably shorter than a same-bore ISO 15552 unit, and it features a G1/4 port.
The external adjuster lets you trim the extend stroke by up to 10 mm on-site, meaning you can dial in the exact end position without swapping the cylinder. It safely handles about 377 N of real work, which translates to lifting roughly 32 kg vertically. Note that this specific SKU lacks a magnet, so it cannot accept CMSE or DMSE sensors.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X25-10 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X25-10 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 25 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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, 20.5 mm |
| Max standard stroke | Up to 1200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X25-10
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 40 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×25 | 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 JSIJ32~50 Adjustable Cylinder JSIJ40X25-10 Is Used
Short-Stroke Clamping
Dial in the exact grip on variable-thickness parts by trimming the extend stroke up to 10 mm directly at the fixture.
Compact Ejector
Fits into tight press dies to push out small components, using the adjuster to set a precise, short ejection distance.
Positional Stop
Acts as an adjustable hard stop for lightweight trays, letting operators fine-tune the contact point on the production line.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X25-10 the Right Cylinder?
When sizing this unit, the 32 mm bore provides a lighter 402 N push at 0.5 MPa, while the 50 mm bore steps up to 982 N if you need more muscle. The 10 mm adjust window is extremely useful for synchronizing multiple clamp points or sharing a single spare across slightly different short-stroke variants. You can mount it via FA, LB, TC, TCM1, or TCM2 brackets. Because this is a non-magnetized SKU, position sensing is not possible without switching to the -S version. Even at 25 mm, always guide the load to prevent side-load wear.
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 JSIJ32~50 Adjustable Cylinder JSIJ40X25-10 FAQ
At 0.5 MPa it delivers 628 N push and 528 N pull. At 0.7 MPa it provides 879 N push and 739 N pull. The theoretical maximum force is 128 kgf at 1.0 MPa, and the air port is G1/4.
The nominal 25 mm extend stroke is the maximum. The external stop screw lets you shorten the extend stroke by up to 10 mm on-site, giving a usable range of 15-25 mm. The retract end remains fixed, and this stop is for positioning only, not for holding a load.
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Covers non-human-caused product damage.
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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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