Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X275-75S
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X275-75S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø40mm bore and 275mm 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
- Stroke275 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 JSIJ40X275-75S
Generating 628 N of push force at 0.5 MPa, this 40 mm bore pneumatic actuator brings on-site flexibility to fixed-length JIS builds. It features a hard-anodized extruded aluminum profile barrel, making it shorter and more compact than a same-bore ISO 15552 cylinder. The integrated -S piston magnet allows CMSE/DMSE sensors to drop directly into the side grooves for precise position detection.
The external stop screw window lets you shorten the extend stroke by up to 75 mm on-site, giving a usable range of 200-275 mm while the retract end remains fixed. This means you can fine-tune the end position without changing the cylinder, handling a safe working load of about 377 N or lifting roughly 32 kg vertically. Pneumatically it operates at 30-800 mm/s through a G1/4 port, with 20.5 mm adjustable air cushions at both ends to smooth out stops.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X275-75S Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X275-75S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 275 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 JSIJ40X275-75S
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 40 | 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 JSIJ32~50 Adjustable Cylinder JSIJ40X275-75S Is Used
Sorter Diverter Tuning
Dial in the exact push distance on a packaging line by shortening the extend stroke up to 75 mm, ensuring parcels deflect cleanly without overshooting the belt.
Tooling Position Stop
Fine-tune the end position of a secondary machining stop without swapping cylinders, using the external adjuster to hit a 200 mm reach when the nominal 275 mm is too long.
Gate Actuation Limit
Adjust the extend window on-site to set a physical gate opening limit, accommodating varying package profiles on the fly while relying on the G1/4 port for swift response.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X275-75S the Right Cylinder?
When sizing this unit, the 32 mm bore offers a lighter 402 N push at 0.5 MPa, while the 50 mm bore steps up to 982 N if your payload exceeds the 40 mm class. The -75 mm adjustable window is ideal when you need to dial in a specific end position on-site or want a shared spare across multiple stroke variants. You can mount it via FA, LB, TC, TCM1, or TCM2 brackets. Because this is a 275 mm stroke, always guide the load to prevent side-loading from bending the 16 mm rod. The -S magnet is present, ready for CMSE/DMSE switches.
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 JSIJ40X275-75S 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. It uses a G1/4 air port and features a 16 mm piston rod with M14x1.5 rod-end threading.
The nominal 275 mm stroke is the maximum. The external stop screw lets you shorten the extend stroke by up to 75 mm on-site, giving a usable extend range of 200-275 mm. The retract end is fixed. This mechanism sets the end position and does not lock the load; for load holding on air loss, use an external rod lock or pilot-operated check valve.
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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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