Airtac JSI Series Standard Cylinder JSI100X40
The AirTAC Airtac JSI Series Standard Cylinder JSI100X40 is a genuine double acting JIS-standard air cylinder with a Ø100mm bore and 40mm stroke, G1/2 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.
- BoreØ100 mm
- Stroke40 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM26×1.5
- CushionAdjustable, 33 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 JSI Series Standard Cylinder JSI100X40
Delivering 3927 N of push force at 0.5 MPa, this 100 mm bore double-acting actuator fits heavy-duty machinery into tight footprints. It is a JIS-standard profile cylinder that is physically shorter and more compact than an ISO 15552 cylinder of the same bore. The extruded hard-anodized aluminum barrel sheds weight while resisting wear, and the two-way piston seal retains grease for a long, low-friction service life. Air connects via a G1/2 port.
Because this specific SKU lacks the -S magnet, it cannot accept CMSE or DMSE position switches. For sizing real tasks, plan for roughly 2356 N of actual work at 0.5 MPa, which lifts about 200 kg vertically with a 2:1 safety margin. The 32 mm carbon steel rod extends and retracts at 30-800 mm/s, and adjustable air cushions at both ends decelerate the piston smoothly near the stroke ends.
Airtac JSI Series Standard Cylinder JSI100X40 Technical Specifications
| Model | Airtac JSI Series Standard Cylinder JSI100X40 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 40 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M26×1.5 |
| 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, 33 mm |
| Max standard stroke | Up to 1500 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3525 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac JSI Series Standard Cylinder JSI100X40
| JSI | JIS-standard profile cylinder (double-acting type). |
|---|---|
| 100 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×40 | 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 JSI Series Standard Cylinder JSI100X40 Is Used
Stamping Press Feed
Pushes heavy coil stock into a mechanical press with 3927 N of force, utilizing the short 40 mm stroke for rapid cycling.
Injection Mold Clamp
Secures mid-scale injection molding tooling plates, where the compact JIS profile saves valuable machine bay length.
Pallet Stopper Gate
Acts as a heavy-duty stopper arm on a conveyor line, halting loaded pallets weighing up to 200 kg vertically.
Is the Airtac JSI Series Standard Cylinder JSI100X40 the Right Cylinder?
When sizing this 40 mm stroke model, verify if the adjacent 80 mm bore (2513 N push @0.5 MPa) is sufficient, or if you must step up to the 125 mm bore (6136 N push @0.5 MPa) for heavier loads. If your machine requires intermediate end-position sensing, select the JSI100X40-S variant instead, as this base unit cannot host a sensor.
Note that a standard cylinder drifts when air is lost or the valve is centered, as the end cushions only decelerate the piston and do not act as a brake. To suspend a load safely, install an external rod lock or a pilot-operated check valve. Mounting options include LB foot, FA/FB flange, CA/CB/CR clevis, TC/TCM1/TCM2 trunnion, or an I/Y/F/U rod knuckle.
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 JSI Series Standard Cylinder JSI100X40 FAQ
The 100 mm bore has a G1/2 port and M26x1.5 rod thread. It generates 3927 N push and 3574 N pull at 0.5 MPa, 5497 N push and 5003 N pull at 0.7 MPa, with a theoretical maximum of 801 kgf at 1.0 MPa.
It is a JIS-standard profile cylinder that is shorter and more compact than an ISO 15552 cylinder of the same bore. It uses an extruded aluminum barrel without external rods and supports LB, FA, FB, CA, CB, TC, and trunnion mounts.
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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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