
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X200-50S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 200mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
At 200 mm of travel, a bore-32 MAJ still delivers its full 402.2 N push and 345.6 N pull at 0.5 MPa from start to stop, with the extend stop trimmable by 50 mm on site. The stainless round barrel resists corrosion in washdown corners and outdoor air, while the hard-chrome plated 12 mm rod keeps seal wear low across the whole 30-800 mm/s speed band.
Roughly 241 N of the push rating is available for real work at 0.5 MPa once a sensible margin is kept. Position feedback costs nothing extra to enable: the magnet ships built in, ready for CMSG, DMSG or EMSG switches. Fixed anti-impact pads decelerate the stroke ends - for adjustable cushioning you would move up to the MACJ version.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X200-50S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 200 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. |
| ×200 | 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.
Extend a divider blade 200 mm across a pallet lane with 402 N of push at 0.5 MPa, and trim up to 50 mm so the blade parks flush against the rail.
Position a tote stop shelf carrying about 20 kg vertically - half the 41 kgf push equivalent for a 2:1 margin - and confirm home with an EMSG switch.
A 241 N working force at 0.5 MPa stakes labels and light inserts on the assembly bench; the 50 mm window dials in depth for each part revision.
For 200 mm travels, compare MAJ25 at 245.3 N push (0.5 MPa) - often too light once friction grows over a long stroke - against MAJ40 at 628.3 N. Choose an FA flange or LB foot and guide any side load externally: at 200 mm of rod extension, bending moments build fast, so I or Y knuckles plus outside guidance protect the rod. The trim stop is a mechanical limit on the extend side and cannot hold a load if air pressure drops.
Quick checklist
0.5 MPa: 402.2 N push / 345.6 N pull. 0.7 MPa: 563.0 N push / 483.8 N pull. Maximum theoretical force 82 kgf at 1.0 MPa. Run on 0.15-1.0 MPa (22-145 psi) air filtered to 40 um, speed 30-800 mm/s, 1/8" port.
The 12 mm hard-chrome rod is best protected by external guidance on long travels; pair the FA flange or LB foot with I or Y knuckles to absorb misalignment. The bumper pads soften end impact only - they are not adjustable cushions - and the stop screw trims extend travel within the ordered 50 mm window.
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