
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X60-20S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 60mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
The MAJ32X60-20S gives a 20 mm on-site trim window, so one cylinder covers several product heights on the same station. Double-acting throughout, it pushes 402.2 N at 0.5 MPa - and for vertical duty that equals lifting roughly 20 kg with a 2:1 margin built in.
Its strength is the body: a stainless round barrel rolled onto aluminium covers, with a 20 um hard-chrome plate on the 12 mm rod to resist corrosion in damp or lightly washed areas. The fixed anti-impact pad decelerates the stroke end but is not an adjustable air cushion - if you need cushioning plus adjustment, look at the MACJ family.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X60-20S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 60 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. |
| ×60 | Stroke length in mm. |
| -20 | 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.
Pushes small cartons from a merge lane onto a reject spur, with the 20 mm window absorbing different lane offsets.
Stops a rotary indexing table at station three; 402 N at 0.5 MPa holds the table against light fixture loads.
Confirms a bottle is seated before the filler nozzle opens, trimmed for two bottle heights on the same filler head.
Compared with a 25 mm bore (245.3 N at 0.5 MPa) you get nearly 64% more push here; the 40 mm bore (628.3 N) is the step up when loads grow. The adjuster is an extend-side end stop, not a mid-stroke lock - on sudden air loss the piston will drift, so fit a separate holding valve where a load must stay put.
LB foot or FA flange mounting, plus I and Y rod knuckles, suit most jig builds; the standard magnet accepts CMSG / DMSG / EMSG switches out of the box.
Quick checklist
Expect 402.2 N push / 345.6 N pull at 0.5 MPa and 563.0 N push / 483.8 N pull at 0.7 MPa; the 32 mm bore tops out at 82 kgf theoretical at 1.0 MPa. Proof pressure is 1.5 MPa (215 psi) and speed spans 30-800 mm/s.
It is a fixed anti-impact bumper pad: it decelerates the piston near stroke end to soften knock, but it does not meter air like an adjustable cushion. For that combination, the MACJ series pairs cushioning with the same adjustable-stroke idea.
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