
The AirTAC MICJ Adjustable Mini Cylinder MICJ40X225-50S is a genuine double acting, double rod, adjustable stroke + cushion round-body mini air cylinder with a Ø40mm bore and 225mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Dial in a precise 175 to 225 mm extend stop on-site with the AirTAC MICJ40X225-50S, a round-body stainless mini cylinder featuring a 50 mm external stroke adjuster. The built-in needle-set air cushions at both ends soak up high-speed shock, letting you set the exact forward position while controlling impact energy.
The stainless-steel barrel and 16 mm rod resist mild corrosion and washdown environments. Because this SKU includes the -S magnet, it is fully ready for CMSG, DMSG, or EMSG position switches. Note that Ø40 is a non-ISO-6432 size. The adjustable stop screw sets the end position but is not a mid-stroke lock; for holding a load on air loss, specify an external rod lock or pilot check valve.
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ40X225-50S |
|---|---|
| Series | MICJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 225 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.
| 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).
| MICJ | round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×225 | 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.
Shifts a loaded diverting arm on a packaging line, using the 50 mm extend adjustment to fine-tune the gate angle without moving the bracketry.
Lowers a 30 kg forming head at high speed; the dual adjustable air cushions absorb the impact, while the stop nut sets the exact crush depth.
This 40 mm bore delivers substantial thrust, pushing 628.3 N and pulling 527.8 N at 0.5 MPa. The 50 mm extend adjustment window is ideal for fast set-position moves where you need to tune the forward stop without swapping hardware.
Mount this double-acting unit using LB foot, FA flange, or TC trunnion brackets (the SDB pivot-block is not available on adjustable-stroke variants). The air cushion only decelerates the piston near the stroke end and does not function as a brake. With the -S magnet equipped, you can mount CMSG, DMSG, or EMSG sensors directly for end-position confirmation.
Quick checklist
This 40 mm bore double-acting cylinder uses 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 on-site, giving a usable forward range of 175 to 225 mm (retract remains full). Needle valves adjust the air cushions at both ends to decelerate the piston before impact. The -S suffix means it has a built-in magnet for CMSG, DMSG, or EMSG sensors.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.