
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X225-75S 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.
Seventy-five millimetres of tuning headroom gives the MAJ32X225-75S the widest setup latitude in the 32 mm MAJ line: the external stop screw pins the extend stroke anywhere inside the ordered 225 mm travel and can be re-trimmed as the job changes. Peak theoretical effort is 82 kgf at 1.0 MPa, while the 402.2 N push at 0.5 MPa equates to about 41 kg of vertical lift, roughly 20 kg once a 2:1 margin is held back.
The body is a riveted round build - stainless barrel, aluminium covers, stainless block - so humid washdown zones and outdoor gates suit it far better than painted minis. Ports are 1/8", the rod thread is M10x1.25, fixed bumper pads cushion both ends, and because the magnet is standard, CMSG, DMSG and EMSG switches drop on the barrel out of the box.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X225-75S |
|---|---|
| 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. |
| -75 | 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.
The stainless barrel and hard-chrome rod ride through booth humidity across a long 225 mm gate sweep without paint chipping or rust bloom.
The 75 mm window shortens the extend stroke to hit fixture stops during repeated load testing, re-trimmable between test profiles.
Stops totes on a roller accumulation lane; the stop screw sets the extend position while the fixed bumper soaks up the arrival shock.
Size against the neighbours first: a 25 mm bore offers 245.3 N at 0.5 MPa and a 40 mm bore offers 628.3 N, which frames where this 32 mm cylinder belongs. A 225 mm rod sees more bending moment, so guide side loads separately or simply shorten the working stroke with the 75 mm trim window. The stop screw only defines the extend position - it is not a brake, and the piston coasts if supply air is cut. Choose FA flange or LB foot mounting with I/Y knuckles as needed; every unit carries its magnet from the factory for CMSG, DMSG or EMSG sensing.
Quick checklist
Use 402.2 N push and 345.6 N pull at 0.5 MPa, or 563.0 N push and 483.8 N pull at 0.7 MPa. The theoretical ceiling is 82 kgf at 1.0 MPa. The cylinder runs on 0.15-1.0 MPa (22-145 psi) filtered air at 30-800 mm/s.
No. The anti-impact pads are fixed - they decelerate the piston at the end of travel but cannot be metered like a cushion. If adjustable air cushioning is required, that is the MAC family, not the MAJ.
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