
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X350-100S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 350mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
Long travel in a slim package: the MAJ32X350-100S reaches 350 mm on a 32 mm bore, and its stop screw trims the extend stroke anywhere in a 100 mm band down to 250 mm. Thrust is 402.2 N pushing and 345.6 N pulling at 0.5 MPa, rising to 563.0 N at 0.7 MPa - enough for 41 kg of vertical lift, or 20 kg at a two-to-one design margin.
The stainless round tube and hard-chrome 12 mm rod handle humid and outdoor sites that rust painted minis, while riveted aluminium covers keep the body narrow; proof pressure is 1.5 MPa (215 psi) against a working range of 0.15-1.0 MPa (22-145 psi). A fixed bumper pad absorbs the shock of long-travel ends - it is not an adjustable air cushion, which is the MACJ's job. The standard-fit magnet pairs with CMSG, DMSG or EMSG switches, and speeds run 30-800 mm/s.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X350-100S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 350 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. |
| ×350 | 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.
Raises a gate arm 300 mm out of a tray lane and trims to 260 mm for taller packs, with the stainless barrel coping with flour-dust wipe-down routines.
Extends 350 mm to confirm pallet presence on a transfer car; a CMSG switch on the built-in magnet reports full extension back to the PLC.
Pushes slow-moving cartons off a gravity rack shelf, where the 250-350 mm trim range matches shelves of different depths without changing hardware.
Bore sizing at 0.5 MPa: 25 mm offers 245.3 N, this model 402.2 N, and 40 mm 628.3 N, so pick 40 mm when friction in long guides eats your margin. Over 350 mm of stroke, guide the load on external slides and never let side force reach the rod, or bending will cut its life short. Remember the stop screw trims the extend stroke only and cannot lock the piston against drift when air fails. FA flange and LB foot mounts, or I and Y knuckles, cover the fitting options, and the standard magnet feeds CMSG through EMSG switches for end-of-travel signals.
Quick checklist
Yes: 402.2 N push and 345.6 N pull at 0.5 MPa, 563.0 N push and 483.8 N pull at 0.7 MPa, and 82 kgf theoretical maximum at 1.0 MPa. The cylinder runs 0.15-1.0 MPa (22-145 psi), 30-800 mm/s, -20 to +70 C, on air filtered to 40 um. Bore is 32 mm, rod 12 mm with M10x1.25 male thread, port 1/8".
FA flange and LB foot bases bolt the body down, while I or Y rod knuckles suit swing arms and gate links; the adjustable-stroke version has no SDB option. Because the magnet is built in as standard equipment, CMSG, DMSG and EMSG switches snap onto the barrel without a special piston order - handy for stroke-end confirmation on a 350 mm travel.
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