
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X100-30S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 100mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
A 32 mm bore gives the MAJ32X100-30S a 402 N push at 0.5 MPa (346 N on retract), and the -30 code means an external stop screw trims the extend stroke anywhere inside a 30 mm window without touching the ordered 100 mm travel. Air on both ports makes it fully double-acting, and the fixed bumper pad soaks up stroke-end shock - it decelerates, it is not an adjustable air cushion like the MAC family.
The riveted stainless round barrel with its 12 mm hard-chrome rod resists mild corrosion in wet or food-area spots, a real edge over painted-steel minis. For sizing, count on roughly 241 N of practical work at 0.5 MPa rather than the full 402 N rating. Every unit ships with a built-in magnet, so CMSG, DMSG or EMSG switches clip straight on without a special piston order.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X100-30S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 100 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. |
| ×100 | Stroke length in mm. |
| -30 | 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.
On a secondary packaging line, the 100 mm stroke ejects a formed carton while the 30 mm trim lets technicians level the ejection face across different case sizes.
A laboratory filler uses about 241 N of usable thrust to seat stoppers into 50 ml vials; the trimmed extend stroke stops the ram at a repeatable depth.
At a conveyor junction, the cylinder kicks 8 kg totes onto a spur line; with a 2:1 margin the bore lifts about 20 kg vertically, well clear of the load.
Next to a MAJ25 bore (245 N push at 0.5 MPa) this 32 mm unit nearly doubles the force; if your load needs over 400 N, step up to the MAJ40 barrel at 628 N. The -30 adjuster is a mechanical end stop for the extend stroke, so it sets where the rod lands but will not hold a load if air drops - fit a locking valve for that. FA flange or LB foot mounting, plus I and Y rod knuckles, cover most fixture layouts, and the 1/8" port keeps plumbing simple.
Quick checklist
At 0.5 MPa the 32 mm bore pushes 402.2 N and pulls 345.6 N; at 0.7 MPa push rises to 563 N and pull to 483.8 N. Theoretical maximum at 1.0 MPa is 82 kgf. Supply runs 0.15-1.0 MPa (22-145 psi) and speed 30-800 mm/s; for sizing, treat about 241 N as the practical working force at 0.5 MPa.
The magnet is built in as standard, so CMSG, DMSG or EMSG reed switches mount directly on the stainless barrel with no special-order piston. Mounting options are FA flange, LB foot, plus I and Y rod knuckles; the -30 adjuster itself is a fixed end stop with anti-impact bumper pads, not a load-holding brake.
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Covers non-human-caused product damage.
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