Airtac MICJ Adjustable Mini Cylinder MICJ20X125-30
The AirTAC Airtac MICJ Adjustable Mini Cylinder MICJ20X125-30 is a genuine double acting, adjustable stroke + cushion round-body mini air cylinder with a Ø20mm 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.
- BoreØ20 mm
- Stroke125 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke + cushion
- Rod threadM8×1.25
- 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 MICJ20X125-30
Trim the forward stop by up to 30 mm on site without swapping hardware using the AirTAC MICJ20X125-30. This double-acting stainless-steel round-body mini cylinder pairs a 95-125 mm extend window with a needle-adjustable air cushion at both ends, letting you dial in the exact position while soaking up high-speed shock. The 1/8" port and M8x1.25 male rod thread match standard ISO 6432 mini-cylinder mounting dimensions for straightforward bracket and clevis integration.
At 0.5 MPa it delivers 157 N of push force and 131.9 N of pull, translating to a safe working load of about 94 N or a vertical lift of roughly 8 kg with a 2:1 margin. The riveted stainless barrel and rod resist mild corrosion and washdown environments. Note this specific SKU lacks a magnet, so it cannot host CMSG, DMSG, or EMSG sensors.
Airtac MICJ Adjustable Mini Cylinder MICJ20X125-30 Technical Specifications
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ20X125-30 |
|---|---|
| Series | MICJ ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 125 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 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 MICJ20X125-30
| MICJ | ISO 6432 round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×125 | Stroke length in mm. |
| -30 | 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 MICJ20X125-30 Is Used
Component Seating
Dial in a 110 mm extend to press light fittings, using the cushion to prevent impact damage on the 8 kg assembly.
Gate Diversion
Trim the stroke to route packages at high speed, relying on the adjustable air cushion to absorb end-of-travel shock.
Carton Forming
Set a precise forward stop for folding flaps, leveraging the 157 N push force to hold the carton shape securely.
Is the Airtac MICJ Adjustable Mini Cylinder MICJ20X125-30 the Right Cylinder?
When sizing this 20 mm bore, dropping to a 16 mm version cuts the 0.5 MPa push force to 100.5 N, while stepping up to a 25 mm bore raises it to 245.3 N. The external stop screw and dual air cushions shine in fast set-position moves where you need repeatable forward endpoints without mechanical slamming. Remember the screw sets only the extend end position; it is not a mid-stroke lock, and the cylinder will drift on air loss. Use an external rod lock or pilot check valve for held loads. Mount via LB, FA, or TC (SDB is unavailable here), and select the -S variant if you need position sensing.
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 MICJ20X125-30 FAQ
It features a 1/8" port and generates 157 N push / 131.9 N pull at 0.5 MPa, and 219.8 N push / 184.7 N pull at 0.7 MPa. The theoretical maximum force is 32 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 30 mm, giving a usable 95-125 mm forward range. Needle valves adjust the air cushion at both ends to decelerate the load before impact. This SKU has no magnet, so it cannot support sensors; choose the -S version for CMSG, DMSG, or EMSG switches.
Authorized Export Seller
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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