
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X500-100S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 500mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
A 500 mm travel span puts the MAJ32X500-100S at the top of the 32 mm bore MAJ range, and its external stop screw trims the extend stroke anywhere inside a generous 100 mm window. Double-acting throughout, it pushes 402 N and pulls 346 N at 0.5 MPa, climbing to 563 N on push at 0.7 MPa - useful headroom for sticky slides or loaded carriers.
The stainless round barrel with its hard-chrome plated 12 mm rod shrugs off mild corrosion and washdown that would chew up painted-steel minis, an edge in damp food or outdoor cells. In practice the 402 N rating at 0.5 MPa equals about 41 kg of theoretical lift; halve that for a 2:1 margin and this cylinder hoists roughly 20 kg vertically.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X500-100S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 500 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. |
| ×500 | Stroke length in mm. |
| -100 | 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 packaging conveyor the 402 N push at 0.5 MPa shunts loaded cartons across a lane, while the 100 mm window absorbs changes in carton height or lane width.
A dairy tray station lifts about 20 kg of stainless trays vertically with a 2:1 margin; the stainless barrel tolerates the daily hose-down.
The full 500 mm travel carries a camera or sensor head across a workpiece, and an EMSG switch on the built-in magnet flags the trimmed end position.
Compared with neighbours, the MAJ25 gives about 245 N push at 0.5 MPa while the MAJ40 reaches roughly 628 N - 402 N from this 32 mm bore sits in the middle. The stop screw is a mechanical end stop only: on air loss the rod still drifts, so never treat it as a brake parking a raised load. FA flange, LB foot and I or Y rod knuckles cover most frame styles, and the built-in magnet accepts CMSG, DMSG or EMSG switches without special ordering. At 500 mm of travel, keep the rod aligned and add external guides if any side load exists.
Quick checklist
At 0.5 MPa the MAJ32X500-100S pushes 402 N and pulls 346 N; at 0.7 MPa push reaches 563 N. The theoretical maximum is 82 kgf at 1.0 MPa. It runs on 0.15-1.0 MPa (22-145 psi) of air filtered to 40 um, at 30-800 mm/s, through a 1/8 PT port.
Fixed anti-impact bumper pads soften the impact at both stroke ends. They only decelerate the piston - if you need an adjustable air cushion, the MACJ family is the variant to choose.
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