Airtac MICJ Adjustable Mini Cylinder MICJ40X250-10
The AirTAC MICJ Adjustable Mini Cylinder MICJ40X250-10 is a genuine double acting, double rod, adjustable stroke + cushion round-body mini air cylinder with a Ø40mm bore and 250mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke250 mm
- Port size1/4"
- Acting typeDouble acting, double rod, adjustable stroke + cushion
- Rod threadM12×1.25
- 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 MICJ40X250-10
Trim the forward stop by up to 10 mm on site without swapping cylinders, and let the adjustable air cushion at both ends soak up high-speed shock. The AirTAC MICJ40X250-10 is a double-acting, round-body stainless-steel mini cylinder with a 40 mm bore, 250 mm stroke, and a 1/4" port.
The stainless barrel and rod resist mild corrosion, and because this is a non-magnet SKU, it cannot take CMSG, DMSG, or EMSG sensors.
Airtac MICJ Adjustable Mini Cylinder MICJ40X250-10 Technical Specifications
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ40X250-10 |
|---|---|
| Series | MICJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 250 mm |
| Acting type | Double acting, double rod, adjustable stroke + cushion |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| 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. Note: the Ø40 bore is a larger, non-ISO-6432 size.
Theoretical Output Force (Ø40mm)
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 kgf |
MIJ / MICJ are double-rod: the rear rod that carries the stroke adjuster exits the rear cover, so both piston faces lose rod area. The rod-side (annular) area is used for both directions (conservative).
Model Code: Airtac MICJ Adjustable Mini Cylinder MICJ40X250-10
| MICJ | round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×250 | Stroke length in mm. |
| -10 | 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 (double rod, adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MICJ Adjustable Mini Cylinder MICJ40X250-10 Is Used
High-Speed Diverting
Diverts heavy cartons at speed on a packaging line, relying on the dual adjustable air cushions to decelerate the 250 mm stroke smoothly.
Vertical Lift Stops
Raises a 30 kg materials tray vertically, tuning the forward stop screw to avoid over-travel while the cushions absorb the downward impact.
Is the Airtac MICJ Adjustable Mini Cylinder MICJ40X250-10 the Right Cylinder?
This Ø40 model is ideal for fast, settable-position moves where the 10 mm extend adjuster and needle-set cushions prevent end-of-stroke banging.
The stop screw sets the end position but is not a mid-stroke lock, and the cylinder will drift on air loss—use an external rod lock or pilot check valve for holding. Mount via LB foot, FA flange, or TC trunnion (SDB is not offered), and select the -S variant if you require magnetic 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 MICJ40X250-10 FAQ
It has a 1/4" port and a 16 mm rod. At 0.5 MPa it pushes 628.3 N and pulls 527.8 N; at 0.7 MPa it pushes 879.6 N and pulls 738.9 N. The theoretical maximum force is 128.1 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 10 mm, while the needle-set air cushions at both ends absorb high-speed shock. The cylinder is double-acting, does not hold position on air loss, and this non-S SKU cannot take sensors.
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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