Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-40S
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-40S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 500mm 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.
- BoreØ50 mm
- Stroke500 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- 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 JSIJ50X500-40S
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder is more compact than a same-bore ISO 15552 unit. The hard-anodized aluminum barrel keeps the build short while providing a 500 mm maximum extend stroke. An external adjuster lets you shorten the extend travel on-site by up to 40 mm, yielding a usable range of 460 to 500 mm without swapping the cylinder. The retract end remains fixed.
This unit handles about 589 N of real work safely, which translates to roughly 50 kg lifted vertically with a 2:1 margin. It features a G1/4 port and an M18x1.5 rod thread. The -S suffix means a built-in piston magnet is present, allowing CMSE or DMSE sensors to drop directly into the side grooves for position detection.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-40S Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-40S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 500 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/4 |
| Rod thread | M18×1.5 |
| 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 JSIJ50X500-40S
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×500 | 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 JSIJ50X500-40S Is Used
Transfer Line Diverter
Fine-tune the 500 mm extend position by up to 40 mm on-site to perfectly align a diverter gate without machining new hard stops.
Variable Depth Pallet Stop
Adjust the extend stroke from 460 to 500 mm to accommodate different pallet depths on the fly while using the built-in magnet for position feedback.
Carton Flap Folder
Dial in the exact folding end point within the 40 mm window to handle slight box size variations without repositioning the entire assembly.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-40S the Right Cylinder?
When sizing this actuator, stepping down to a 40 mm bore drops the 0.5 MPa push force to 628 N, while stepping up to a 63 mm bore increases it to 1559 N. The adjustable stroke is highly useful when you need to fine-tune an end position on-site or want a single shared spare across multiple stroke variants. JSIJ mounting options include FA, LB, TC, TCM1, and TCM2. Because this is a 500 mm stroke, you must support the load with external guides to prevent rod bending and excessive side loading.
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 JSIJ50X500-40S FAQ
At 0.5 MPa it provides 982 N push and 825 N pull. At 0.7 MPa it provides 1374 N push and 1154 N pull. The theoretical maximum force is 200 kgf at 1.0 MPa. This 50 mm bore unit uses a G1/4 air port and an M18x1.5 rod thread.
The 500 mm nominal stroke is the maximum extend length. An external stop screw lets you shorten the extend stroke on-site by up to 40 mm, giving a usable range of 460 to 500 mm. The retract end is fixed, and this mechanism sets the end position rather than holding the load.
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