
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X225-50S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 225mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
Needing reach without a big bore, the MAJ32X225-50S extends 225 mm while holding 402.2 N of push and 345.6 N of pull at 0.5 MPa along the whole travel. An external stop screw trims the extend stroke anywhere within the 50 mm window, so final positions get dialled in at the machine, not in the storeroom.
Its riveted construction - stainless barrel, 20 um hard-chrome rod, aluminium-alloy covers - stays sealed through humid plant air and routine washdown, a real edge over painted-steel minis. It is sensor-ready out of the box thanks to the standard built-in magnet for CMSG, DMSG or EMSG switches. Keep working loads near 241 N at 0.5 MPa and the fixed bumpers will quietly handle end-of-stroke deceleration.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X225-50S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 225 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 | Fixed anti-impact bumper pads |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MA-series datasheet. Barrel: stainless-steel tube (round-body, riveted rolling-packed construction); piston rod: carbon steel with 20µm hard-chrome plating; covers: aluminium alloy. Thread options: PT (blank) / G / NPT. Every MA-series cylinder ships with a built-in magnet for CMSG / DMSG / EMSG position sensors.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MAJ | Standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 32 | Bore size in mm. |
| ×225 | Stroke length in mm. |
| -50 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
| CA / U / CM | Back-cover type: CA pivot, U flat-end, CM round-end. |
MA-family variants: MA / MAC (double acting ±cushion), MSA / MTA (single acting push / pull), MAD / MACD (double rod ±cushion), MAJ / MACJ (adjustable stroke ±cushion), MAR (cushioned with integrated F/U mount). Mounting accessories: FA flange, LB foot, SDB pivot; plus I and Y knuckles. Thread PT (blank) / G / NPT.
Free a pallet on an automated guided vehicle deck with a 225 mm reach actuator; 402 N of push at 0.5 MPa clears the latch every single cycle.
Steer a paper web edge using the 345.6 N pull force behind the guide roller, and re-trim the extend stop inside the 50 mm window for each job change.
Drive a service gate on an overhead cable tray run through a linkage; the stainless barrel and chrome rod shrug off rooftop humidity year after year.
Bore 32 pushes 402.2 N at 0.5 MPa; MAJ25 manages 245.3 N and MAJ40 reaches 628.3 N, so pick by the friction load your 225 mm mechanism adds. On travels this long, load the structure, not the rod - use an FA flange or LB foot plus external guides, with I or Y knuckles where the linkage can misalign. Remember the trim stop positions the extend stroke mechanically; with air lost the rod is free to move, so do not rely on it as a load-holding brake.
Quick checklist
Push 402.2 N and pull 345.6 N at 0.5 MPa; 563.0 N push and 483.8 N pull at 0.7 MPa; 82 kgf theoretical peak at 1.0 MPa. Bore 32, 225 mm stroke (inside the 500 mm standard limit), 50 mm adjustable window, 1/8" port, 12 mm rod, M10x1.25 male rod thread, 0.15-1.0 MPa (22-145 psi).
The fixed anti-impact bumper pads soften deceleration at each end but are not adjustable air cushions - the MACJ family carries those. The -50 option is an external stop screw that shortens the extend stroke within the 50 mm window. The magnet is standard, so CMSG, DMSG or EMSG switches can be fitted at any time.
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