
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X500-30S 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.
Built on a riveted stainless round barrel rather than a bolted block, the MAJ32X500-30S keeps a low profile through long machine frames while offering 500 mm of double-acting travel - 402 N push and 346 N pull at 0.5 MPa - and a 30 mm window for on-site stroke trimming.
For vertical duties, 402 N at 0.5 MPa is about 41 kg of theoretical lift; with a 2:1 safety margin the cylinder raises roughly 20 kg. Inside, fixed anti-impact pads calm the stroke ends without any cushion adjustment - if tunable cushioning becomes a requirement, AirTAC's MACJ variant is the one to ask for.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X500-30S |
|---|---|
| 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. |
| -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.
A 500 mm stroke slides a perspex guard open for tool changes; 402 N at 0.5 MPa overcomes worn track friction, and the 30 mm window tunes the opening width.
Raising a 20 kg fixture tray vertically sits comfortably inside the 2:1 margin of this cylinder's lift capacity at 0.5 MPa.
Diverting overweight packs takes a firm 402 N sweep; EMSG switching on the standard magnet confirms the gate has returned home.
The 25 mm MAJ pushes about 245 N at 0.5 MPa and the 40 mm MAJ around 628 N, so this 32 mm model suits mid-weight doors, gates and pushers in between. Since the stop screw only trims the extend stroke, order the full travel first and shorten it on site. Keep in mind it is a mechanical end stop, not a brake: without air the piston can still be moved by hand or load. The standard magnet works with CMSG, DMSG and EMSG switches for end-of-stroke signals, and this bore connects through a 1/8 PT port.
Quick checklist
MAJ32X500-30S: push 402 N and pull 346 N at 0.5 MPa; push 563 N at 0.7 MPa; theoretical maximum 82 kgf at 1.0 MPa. Air supply is 0.15-1.0 MPa (22-145 psi), filtered to 40 um, with speed from 30-800 mm/s.
A high-precision stainless barrel carries a hard-chrome plated (20 um) carbon-steel piston rod, with aluminium-alloy covers rolled on in a riveted, rolling-packed structure. This 32 mm unit uses a 12 mm rod with an M10x1.25 male thread and fixed bumper pads at both stroke ends.
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