Airtac MICJ Adjustable Mini Cylinder MICJ40X50-50S
The AirTAC MICJ Adjustable Mini Cylinder MICJ40X50-50S is a genuine double acting, double rod, adjustable stroke + cushion round-body mini air cylinder with a Ø40mm bore and 50mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke50 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 MICJ40X50-50S
Dial in the forward stop on-site without swapping hardware: this round-body stainless mini cylinder uses an external screw to shorten the extend stroke by up to 50 mm, paired with a needle-set air cushion at both ends to soak up high-speed shock. The stainless-steel barrel and Ø16 mm piston rod resist mild corrosion and washdown environments.
Because the -S suffix equips the piston with a magnet, you can mount CMSG, DMSG or EMSG sensors for position detection. The adjustable stop sets the end position but is not a mid-stroke lock; the air cushion only decelerates near the stroke end.
Airtac MICJ Adjustable Mini Cylinder MICJ40X50-50S Technical Specifications
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ40X50-50S |
|---|---|
| Series | MICJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 50 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 MICJ40X50-50S
| MICJ | round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×50 | 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 (double rod, adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MICJ Adjustable Mini Cylinder MICJ40X50-50S Is Used
Heavy Diverter Gate
Shifts a robust sorting gate on a packaging line, using the 50 mm extend adjustment to fine-tune the deflection angle while the dual cushions absorb the high-speed impact of heavy product flow.
Vertical Lift Stop
Raises a 30 kg tote in a compact handling cell; the operator sets the exact lift height via the extend screw, and the cushions prevent end-of-stroke slamming on the descent.
Washdown Sealing Press
Closes a fluid-fill valve in a food-grade environment where the stainless build resists moisture, tuning the extend stop to seal precisely without crushing the container.
Is the Airtac MICJ Adjustable Mini Cylinder MICJ40X50-50S the Right Cylinder?
The external stop screw and dual cushions shine in fast set-position moves where you must tune the extend end and control impact without changing the cylinder. Note that a plain cylinder does not hold its load on air loss—the piston drifts; use an external rod lock or pilot check valve for held loads.
Mounting options include LB foot, FA flange and TC trunnion, but the SDB pivot-block is not available on this adjustable variant. Back covers CA, U, R and CM are offered. The built-in magnet (-S) enables reed or electronic sensors, whereas a non-S SKU cannot take a sensor.
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 MICJ40X50-50S FAQ
The theoretical maximum force is 128.1 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 50 mm on-site, while the needle-set air cushion at both ends decelerates the piston near the ends to absorb high-speed shock. The -S magnet enables CMSG/DMSG/EMSG sensors. The stop screw is not a mid-stroke lock, and the cylinder will drift on air loss, so use an external rod lock for holding loads.
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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