Airtac JSI Series Standard Cylinder JSI125X110TC
The AirTAC Airtac JSI Series Standard Cylinder JSI125X110TC is a genuine double acting JIS-standard air cylinder with a Ø125mm bore and 110mm 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.
- BoreØ125 mm
- Stroke110 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM27×2.0
- 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 JSI125X110TC
Generating up to 6136 N of push force at 0.5 MPa, this double-acting JIS-standard profile cylinder tackles heavy-duty automation with ease. The extruded hard-anodized aluminum barrel omits external rods to save machine space, measuring shorter and more compact than a same-bore ISO 15552 unit. A heterogeneous two-way piston seal retains grease for a long, low-friction service life. Because this specific SKU lacks the -S magnet, it cannot host CMSE or DMSE position switches; order the -S variant if you need drop-in side-groove sensing.
Buyers can plan for roughly 3682 N of real work at 0.5 MPa, which translates to lifting about 313 kg vertically with a 2:1 safety margin. The unit breathes through G1/2 ports, features a 32 mm carbon steel rod with an M27x2.0 thread, and runs at 30-500 mm/s. Adjustable 33 mm air cushions at both ends absorb end-of-stroke impact, and the TC trunnion mount supports pivoting loads.
Airtac JSI Series Standard Cylinder JSI125X110TC Technical Specifications
| Model | Airtac JSI Series Standard Cylinder JSI125X110TC |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 110 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M27×2.0 |
| 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 – 500 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 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 JSI125X110TC
| JSI | JIS-standard profile cylinder (double-acting type). |
|---|---|
| 125 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×110 | 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 JSI125X110TC Is Used
Stamping Press Transfer
Moves heavy steel blanks between die stations using the full 6136 N push force, with the TC trunnion accommodating angular misalignment during the transfer arc.
Injection Mold Ejection
Provides high-threshold ejection force for large automotive plastic molds, leveraging the compact JIS profile to fit within tight press clamping envelopes.
Pallet Positioning Gate
Actuates heavy diverter gates on high-throughput packaging lines, where the 33 mm adjustable cushions prevent shock when shifting loaded pallets.
Is the Airtac JSI Series Standard Cylinder JSI125X110TC the Right Cylinder?
When sizing this 125 mm bore, the next size down is the 100 mm bore offering 3927 N push at 0.5 MPa, while 125 mm is the largest available JSI option. If your application requires less than 3927 N, dropping to the 100 mm bore saves space and air. Since this model has no -S magnet, you cannot use magnetic sensors; if position feedback is required, select the JSI125X110TC-S instead. The TC trunnion mount is ideal for pivoting mechanisms, but ensure your frame supports the radial loads inherent to this mounting style.
Remember that a standard pneumatic cylinder drifts when air pressure is lost or the valve is centered. The adjustable cushion only decelerates the piston near the stroke ends and does not act as a braking device. To safely hold a vertical load in place during an air loss event, install an external rod lock or a pilot-operated check valve in the line.
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 JSI125X110TC FAQ
The JSI125X110TC provides 6136 N push and 5734 N pull at 0.5 MPa, increasing to 8590 N push and 8028 N pull at 0.7 MPa. The theoretical maximum force is 1251 kgf at 1.0 MPa. It uses a G1/2 air port, a 32 mm rod with an M27x2.0 thread, and operates at speeds of 30-500 mm/s.
This specific SKU lacks the -S magnet, so it cannot accept CMSE or DMSE magnetic switches; you must specify the -S variant for position sensing. Dimensionally, it is a JIS-standard profile cylinder that is shorter and more compact than an ISO 15552 cylinder of the same 125 mm bore, saving valuable machine footprint.
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