Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X450-40
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X450-40 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø40mm bore and 450mm 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
- Stroke450 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 JSIJ40X450-40
Delivering 628 N of push force at 0.5 MPa, this 40 mm bore adjustable-stroke actuator brings on-site flexibility to fixed-length automation. The external adjuster allows you to shorten the extend stroke by up to 40 mm on-site, yielding a usable range of 410-450 mm without swapping the cylinder. It handles a safe working load of about 377 N, which translates to lifting roughly 32 kg vertically with a 2:1 margin. Built to JIS standards, its extruded hard-anodized aluminium profile barrel is noticeably shorter than an ISO 15552 cylinder of the same bore.
This double-acting single-rod unit features a 16 mm rod, an M14x1.5 rod-end thread, and a G1/4 port. Adjustable air cushions of 20.5 mm at each end absorb end-of-stroke impact. Because this specific SKU lacks the -S magnet option, it cannot accept CMSE or DMSE sensors. Note that the external stop sets the end position but is not a load lock; the air cushion only decelerates. For a held load on air loss, fit an external rod lock or pilot-operated check valve.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X450-40 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X450-40 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 450 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 JSIJ40X450-40
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 40 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×450 | 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 JSIJ40X450-40 Is Used
Conveyor Diverter Gate
Fine-tunes the 450 mm extend stroke by up to 40 mm on-site to perfectly match varying package sizes without machining new mounts.
Vertical Lift Stop
Lifts roughly 32 kg using the 628 N push force, using the external adjuster to set a precise upper travel limit.
Machine Tool Guard
Operates a safety door where the compact JIS profile saves axial space compared to an ISO 15552 cylinder of the same bore.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X450-40 the Right Cylinder?
When sizing this 40 mm bore model, stepping down to a 32 mm bore yields 402 N push at 0.5 MPa, while stepping up to a 50 mm bore provides 982 N. The -40 mm adjustable window is ideal for fine-tuning the extend end position on-site or sharing a single spare across multiple stroke variants. JSIJ mounting options include Basic, FA, LB, TC, TCM1, and TCM2. Since the 450 mm stroke exceeds 300 mm, always guide the load externally to prevent rod bending and side-load damage. Without the -S suffix, this version cannot host magnetic sensors.
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 JSIJ40X450-40 FAQ
This 40 mm bore cylinder uses a G1/4 port. It generates 628 N push and 528 N pull at 0.5 MPa, 879 N push and 739 N pull at 0.7 MPa, with a theoretical maximum force of 128 kgf at 1.0 MPa.
The nominal 450 mm stroke is the maximum. An external stop screw lets you shorten the extend stroke on-site by up to 40 mm, giving a usable range of 410-450 mm. The retract end remains fixed, and this mechanism sets position rather than locking the 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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