Airtac MICJ Adjustable Mini Cylinder MICJ25X300-50
The AirTAC Airtac MICJ Adjustable Mini Cylinder MICJ25X300-50 is a genuine double acting, adjustable stroke + cushion round-body mini air cylinder with a Ø25mm bore and 300mm 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
- Stroke300 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 MICJ25X300-50
Dial in the forward stop on site without swapping cylinders: the AirTAC MICJ25X300-50 uses an external screw to shorten the extend end position by up to 50 mm, giving a usable forward range of 250-300 mm. Retract remains the full 300 mm. A needle-set adjustable air cushion at both ends soaks up high-speed shock so you control both the position and the impact.
Built as a stainless-steel, riveted round-body mini cylinder, it drops into standard ISO 6432 mounting brackets and shrugs off mild washdown. The Ø25 bore runs on a 1/8" port and delivers 245.3 N of push force at 0.5 MPa. That translates to a safe working load of about 147 N, or a vertical lift of roughly 12.5 kg with a 2:1 margin. Note this SKU lacks a magnet, so it cannot host CMSG/DMSG/EMSG sensors.
Airtac MICJ Adjustable Mini Cylinder MICJ25X300-50 Technical Specifications
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ25X300-50 |
|---|---|
| Series | MICJ ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 300 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 MICJ25X300-50
| MICJ | ISO 6432 round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×300 | Stroke length in mm. |
| -50 | 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 MICJ25X300-50 Is Used
Divert Gate Positioning
Trims the extend stroke by up to 50 mm to set an exact divert gate gap, while the dual air cushions absorb the shock of high-speed 245 N actuation.
Carton Flap Folding
Holds a steady forward fold on packaging lines using the 300 mm stroke, relying on the needle cushion to decelerate the rod before impact.
Light Lift & Push
Pushes tote bins along a roller track with a safe 147 N working load, using the external stop to avoid over-travel at the push-off point.
Is the Airtac MICJ Adjustable Mini Cylinder MICJ25X300-50 the Right Cylinder?
Size both ways against the 245.3 N push at 0.5 MPa: step down to the Ø20 bore (157.0 N push) if your payload is light and you need a smaller footprint, or step up to the Ø32 bore (402.2 N push) if the mass creeps past 15 kg. The MICJ25X300-50 shines in fast set-position moves where the 50 mm extend trim and dual cushions tame end-of-stroke shock.
The external screw sets the end position but is not a mid-stroke lock; on air loss the piston drifts, so fit an external rod lock or pilot check valve to hold a suspended load. Mount via LB foot, FA flange or TC trunnion (the SDB pivot block is not offered on this adjustable variant). Because this code has no -S suffix, it cannot take a magnetic switch.
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 MICJ25X300-50 FAQ
This Ø25 bore cylinder uses a 1/8" port. At 0.5 MPa it pushes 245.3 N and pulls 206.1 N. At 0.7 MPa it pushes 343.4 N and pulls 288.5 N. The theoretical maximum force is 50 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 50 mm (retract stays full). A needle valve adjusts the air cushion at both ends to decelerate the piston near stroke end. This SKU has no magnet, so it cannot host CMSG/DMSG/EMSG sensors; choose the -S variant for sensing.
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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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