
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X160-40S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 160mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
MAJ32X160-40S pairs a 160 mm double-acting stroke with a 40 mm on-site trim: turn the external stop screw and the extend stroke shortens anywhere within that window, no cutting or shimming needed. The 32 mm bore pushes 402.2 N and pulls 345.6 N at 0.5 MPa, so budgeting around 241 N of real work keeps the cylinder inside its comfort zone. The body is a riveted round pack - stainless barrel, hard-chrome plated 12 mm rod, aluminium covers rolled on - which shrugs off mild corrosion and washdown where painted minis would rust.
Fixed bumper pads soften the stroke ends (this is not an adjustable air cushion - the MACJ family adds that), and the magnet is built in as standard, so CMSG, DMSG and EMSG switches drop straight on. It runs on 40 um filtered air at 0.15-1.0 MPa (22-145 psi) at 30-800 mm/s, ports are 1/8" and the rod thread is M10x1.25. Note the stop sets an end position only - with air lost the piston still drifts.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X160-40S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 160 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. |
| ×160 | Stroke length in mm. |
| -40 | 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.
Tunes the bottle push-off on a craft-bottling conveyor: 402 N of push clears 330 ml bottles reliably, while the 40 mm window lets technicians re-position the trip point between bottle formats without ordering a new cylinder.
Seats small bushings and dowels on an electronics assembly bench; around 241 N of practical working force covers light interference fits, and the 160 mm stroke reaches into a guarded nest.
Drops a nesting tray down to conveyor height on a snack-food packaging machine, where the stainless barrel and chrome rod stand up to daily washdown.
At this bore class, drop to a 25 mm MAJ if 245.3 N at 0.5 MPa is enough, or step up to a 40 mm bore for 628.3 N when the load creeps higher. The 40 mm adjust window suits fixtures where the contact point is tuned on the machine rather than on paper. FA flange and LB foot mounts plus I or Y rod knuckles cover most fixings, and the standard magnet means switch feedback comes free of special orders. Because 160 mm is a long lever for a mini, carry any side load on external guides and let this cylinder work straight.
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. Air pressure range is 0.15-1.0 MPa (22-145 psi) with proof at 1.5 MPa (215 psi), speed runs 30-800 mm/s, and the extend stroke can be trimmed by up to 40 mm with the stop screw.
No. Every MA-series cylinder ships with the magnet built in as standard, so CMSG, DMSG and EMSG switches mount directly on the stainless barrel without a special order. For end-of-stroke signals in both directions, simply place a switch on each side of the body.
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