
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X100-100S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 100mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
Shorten the extend stroke anywhere along its 100 mm span: the external stop screw on the MAJ32X100-100S re-trims travel on site within the ordered 100 mm window, on a 32 mm bore that delivers 402 N push at 0.5 MPa. The round barrel is stainless steel rolled tight against aluminium-alloy covers, a riveted body that resists coolant mist and outdoor exposure without paint to flake.
Treat 402 N as the ceiling and budget near 241 N for the actual job at 0.5 MPa so seals and linkage stay within a healthy margin. The fixed anti-impact pad takes the sting out of the stroke ends by decelerating the piston - it is not an adjustable air cushion, which is the MAC family's territory.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X100-100S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 100 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. |
| ×100 | 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.
A 100 mm throw pushes cartons from a takeaway conveyor onto a reject lane; the trim window lets line staff shorten the stroke when lane spacing changes, with 402 N of push at 0.5 MPa to work against stiff gate return springs.
Different casting sizes on a machining fixture demand different clamp travel; the 100 mm window is reset at changeover with a screwdriver instead of swapping the cylinder.
Extended pins locate an exchange battery tray on the transfer station; with 346 N of pull at 0.5 MPa the 12 mm rod retracts the pin reliably against slide friction.
Choose the 25 mm bore (245 N push at 0.5 MPa) for light diverting duties or 40 mm (628 N) when clamping force dominates; this 32 mm unit splits the difference. Over a 100 mm stroke, keep side loads off the 12 mm chrome rod by guiding the load externally, or fit an I or Y knuckle for minor misalignment. Mount with FA flange or LB foot; adjustable models offer no SDB. The stop screw fixes the extend end position only - with air lost the rod still drifts, so add a counterbalance for suspended loads. The standard magnet suits CMSG / DMSG / EMSG switches.
Quick checklist
At 0.5 MPa the bore pushes 402 N and pulls 346 N; raise supply to 0.7 MPa for 563 N push and 484 N pull, with a theoretical peak of 82 kgf at 1.0 MPa. Pressure range is 0.15-1.0 MPa (22-145 psi), speed is 30-800 mm/s, and the extend stroke can be trimmed by the stop screw anywhere inside the -100 window.
No. Every MA-series cylinder, including this one, carries a built-in magnet as standard, so CMSG, DMSG and EMSG reed switches mount directly on the stainless barrel and read end or intermediate positions without a special-order piston.
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