Airtac JSIJ32~50 Adjustable Cylinder JSIJ32X125-50S
The AirTAC JSIJ32~50 Adjustable Cylinder JSIJ32X125-50S is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø32mm bore and 125mm stroke, G1/8 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.
- BoreØ32 mm
- Stroke125 mm
- Port sizeG1/8
- Acting typeDouble acting, double rod, adjustable stroke
- Rod threadM10×1.25
- CushionAdjustable, 20 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 JSIJ32X125-50S
The hard-anodized aluminum barrel keeps the assembly light without external rods.
The JSIJ32X125-50S uses a 50 mm external adjuster window to shorten the extend stroke on site, giving a usable range of 75-125 mm while the retract end stays fixed. You can fine-tune the end position without swapping the cylinder. The -S suffix means a built-in magnet works with CMSE/DMSE sensors in the side grooves, and the air supply connects via a G1/8 port.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ32X125-50S Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ32X125-50S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 mm |
| Max standard stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 346 N | 346 N |
| 0.7 MPa | 484 N | 484 N |
| Max (@1.0 MPa) | 70 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 JSIJ32~50 Adjustable Cylinder JSIJ32X125-50S
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 32 | 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 JSIJ32~50 Adjustable Cylinder JSIJ32X125-50S Is Used
Adjustable Stop Positioning
Dial in the extend stop within the 75-125 mm window to set precise ejection distances on the fly without changing out the entire actuator.
Compact Clamping Unit
The short JIS profile fits tight machining cells, clamping small parts with 345 N of pull force at 0.5 MPa.
Shared Spare Inventory
Keep one -50S unit on the shelf and adjust the external stop to cover multiple stroke lengths across similar 32 mm bore machines.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ32X125-50S the Right Cylinder?
Step down only if friction loads are tiny. The 50 mm adjuster window lets one spare cylinder cover several stroke variants by tuning the extend end on site. Mounting options include FA, LB, TC, TCM1, and TCM2. The -S magnet supports CMSE/DMSE switches. For any stroke over 300 mm, guide the load to prevent side-load damage to the front cover.
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 JSIJ32X125-50S FAQ
At 0.5 MPa it pushes 402 N and pulls 345 N. At 0.7 MPa it pushes 563 N and pulls 483 N. The theoretical max force is 82 kgf at 1.0 MPa. The air port is G1/8.
The nominal 125 mm extend stroke is the maximum. An external stop screw lets you shorten the extend stroke by up to 50 mm on site, yielding a usable extend range of 75-125 mm. The retract end is fixed. This stop sets the end position but does not lock the load; use an external rod lock or pilot-operated check valve if you need to hold a load against air loss.
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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.
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