Airtac MICJ Adjustable Mini Cylinder MICJ40X450-50S
The AirTAC MICJ Adjustable Mini Cylinder MICJ40X450-50S is a genuine double acting, double rod, adjustable stroke + cushion round-body mini air cylinder with a Ø40mm bore and 450mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke450 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 MICJ40X450-50S
Dial in a precise 400-450 mm forward stop on site with the AirTAC MICJ40X450-50S, a round-body stainless steel mini cylinder that shortens the extend stroke by up to 50 mm via an external screw. The needle-set variable air cushion at both ends soaks up high-speed shock, letting you set the exact position and control the impact without swapping hardware.
The -S suffix equips the piston with a built-in magnet for CMSG, DMSG or EMSG sensors, while the stainless barrel and rod resist mild corrosion in washdown settings.
Airtac MICJ Adjustable Mini Cylinder MICJ40X450-50S Technical Specifications
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ40X450-50S |
|---|---|
| Series | MICJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 450 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 MICJ40X450-50S
| MICJ | round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×450 | 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 MICJ40X450-50S Is Used
Heavy Carton Diversion
Pushes heavy pallets or cartons at speed on a packaging line, using the 50 mm extend trim to fine-tune the diverting arm endpoint while the dual air cushions absorb the 628.3 N impact.
Lowering Press Head
Lowers a 32 kg press head safely; the adjustable forward stop sets the exact crush depth, and the needle cushion prevents slamming at the bottom of the 450 mm travel.
Pallet Stopper Gate
Acts as a high-force stopper gate for heavy pallets, retracting fully to clear the lane and extending to a dialed-in position to halt flow without mechanical crashing.
Is the Airtac MICJ Adjustable Mini Cylinder MICJ40X450-50S the Right Cylinder?
The 50 mm extend adjuster is ideal for fast set-position moves, but note the stop screw only sets the end position—it is not a mid-stroke lock. The air cushion strictly decelerates near the stroke end.
Because a plain cylinder drifts on air loss, install an external rod lock or pilot-operated check valve to hold a suspended load. For mounting, choose LB foot, FA flange or TC trunnion (the SDB pivot-block is not available on this adjustable variant). The built-in magnet (-S) supports 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 MICJ40X450-50S FAQ
This 40 mm bore cylinder features a 1/4 inch port and a 16 mm rod. The theoretical maximum force is 128.1 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 50 mm (usable forward range 400-450 mm), while retract remains full. Needle valves adjust the variable air cushion at both ends to decelerate the piston near stroke end. The -S denotes a built-in magnet for CMSG/DMSG/EMSG sensors. The stop screw is not a mid-stroke lock.
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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