Airtac MICJ Adjustable Mini Cylinder MICJ25X125-20
The AirTAC Airtac MICJ Adjustable Mini Cylinder MICJ25X125-20 is a genuine double acting, adjustable stroke + cushion round-body mini air cylinder with a Ø25mm bore and 125mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments. Its ISO 6432 mounting interface makes it a compact drop-in for standard mini-cylinder fixtures.
- BoreØ25 mm
- Stroke125 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
- 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 MICJ Adjustable Mini Cylinder MICJ25X125-20
Trim the forward stop by up to 20 mm on site without swapping hardware using the AirTAC MICJ25X125-20 round-body stainless mini cylinder. This double-acting actuator delivers a nominal 125 mm extend that you can dial down to 105 mm via an external screw, while a needle-set adjustable air cushion at both ends soaks up high-speed shock. The stainless barrel and rod shrug off mild corrosion and washdown environments.
Built to the ISO 6432 mounting interface for Ø25 bores, it generates 245.3 N of push force at 0.5 MPa and 343.4 N at 0.7 MPa. That translates to a safe working load of roughly 147 N, or enough thrust to vertically lift about 12.5 kg with a 2:1 safety margin. It breathes through a 1/8" port and accepts standard mini brackets and clevises.
Airtac MICJ Adjustable Mini Cylinder MICJ25X125-20 Technical Specifications
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ25X125-20 |
|---|---|
| Series | MICJ ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 125 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 | Variable air cushion, both ends |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MI/MIC (ISO 6432) datasheet. Barrel & rod: stainless steel (round-body, riveted construction). Thread options: PT (blank) / G.
Theoretical Output Force (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MICJ Adjustable Mini Cylinder MICJ25X125-20
| MICJ | ISO 6432 round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×125 | Stroke length in mm. |
| -20 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MI-family variants: MI / MIC (double acting ±cushion), MSI / MTI (single acting push / pull), MID / MICD (double rod ±cushion), MIJ / MICJ (adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MICJ Adjustable Mini Cylinder MICJ25X125-20 Is Used
Package Diverting Gate
Snaps a sorting gate out to 125 mm on a high-speed line, using the 20 mm extend trim to perfectly match the package width while the dual air cushions absorb the sudden stop.
Carton Flap Folding
Drives a folding arm at 30-800 mm/s to tuck heavy cardboard flaps, relying on the 245.3 N push force and needle-adjustable cushion to prevent crushing the carton.
Pallet Stopper Arm
Extends a physical barrier to halt pallets on a roller conveyor, dialing in the exact stopping distance and using the stainless build to survive dusty warehouse edges.
Is the Airtac MICJ Adjustable Mini Cylinder MICJ25X125-20 the Right Cylinder?
When sizing this 25 mm bore, dropping down to the Ø20 MICJ cuts the 0.5 MPa push force to 157 N, while stepping up to the Ø32 MICJ raises it to 402 N. Choose this 125 mm stroke model when you need a long reach but must fine-tune the final 20 mm of extend travel on the fly. The adjustable stop and dual cushions excel in fast set-position moves where controlling impact is critical.
Note that the stop screw sets the end position but does not lock the piston mid-stroke; the cylinder will drift on air loss, so add an external rod lock or pilot check valve for held loads. Because this SKU lacks the -S magnet, it cannot accept CMSG, DMSG or EMSG sensors. Mount it via LB foot, FA flange or TC trunnion, as the SDB pivot block is not offered on adjustable-stroke variants.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC)
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 Do not dismantle the riveted front/back covers.
- check Use correct back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MICJ Adjustable Mini Cylinder MICJ25X125-20 FAQ
This 25 mm bore cylinder uses a 1/8" port and a M10x1.25 male rod thread. It generates 245.3 N push and 206.1 N pull at 0.5 MPa, increasing to 343.4 N push and 288.5 N pull at 0.7 MPa. The theoretical maximum force is 50 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 20 mm (usable range 105-125 mm), while needle valves tune the adjustable air cushion at both ends to decelerate the piston before impact. The cushion only decelerates and does not lock the piston; the cylinder drifts on air loss, so use an external rod lock to hold a load. This non-S SKU lacks a magnet and cannot take sensors.
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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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