
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X125-100S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 125mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
One cylinder, many recipes: the 100 mm adjust window on this 125 mm MAJ lets the extend stop sit anywhere from 25 mm to 125 mm, so a single bore-32 unit can be retuned for different product heights without swapping parts. At 0.5 MPa it pushes 402.2 N and pulls 345.6 N - halve the push figure and you can lift about 20 kg vertically with a 2:1 safety margin.
The riveted round-body build stacks a stainless-steel barrel, hard-chrome carbon-steel rod and aluminium-alloy covers, a combination that rides out damp workshops and outdoor fixtures better than painted mini cylinders. The magnet is factory-fitted as standard, so CMSG, DMSG and EMSG switches mount straight on for position feedback.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X125-100S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 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. |
| ×125 | 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.
Retune the extend stop inside the 100 mm window when the line switches tray sizes; 402 N of push at 0.5 MPa seats each tray into the former with margin to spare.
Run short throws from 25 mm up to the full 125 mm to meter granulate drops; the fixed bumper pads keep fast cycles from hammering the gate mechanism.
Raise a small lift table carrying about 20 kg with a 2:1 margin from the 402.2 N push rating, and confirm top-of-stroke with a CMSG switch on the standard magnet.
Bore 32 sits between MAJ25 (245.3 N push at 0.5 MPa) and MAJ40 (628.3 N), so downsize only when 241 N of practical push at 0.5 MPa covers the task. FA flange and LB foot mountings are joined by I and Y rod knuckles for tolerance absorption. Bear in mind the adjuster is an extend-side end stop: it trims travel but holds no load when air is lost, and side loads at 125 mm of rod should be guided externally.
Quick checklist
Push at 0.5 MPa is 402.2 N, pull 345.6 N; at 0.7 MPa push reaches 563.0 N and pull 483.8 N; theoretical peak is 82 kgf at 1.0 MPa. Air supply 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi).
No - the magnet is built in as standard on every MA-series cylinder, so CMSG, DMSG or EMSG switches drop on for position feedback with no special-order piston. The 100 mm trim window is set with the external stop screw, and it shortens the extend stroke only, never lengthens it past the ordered 125 mm.
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