
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X150-75S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 150mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
The widest window in this range, -75, gives the MAJ32X150-75S a 75 mm band to set the extend stop anywhere between 75 and 150 mm of travel. Push force at 0.5 MPa is 402.2 N against 345.6 N on the return, and supply pressure runs 0.15-1.0 MPa (22-145 psi) with speeds of 30-800 mm/s.
For sizing, treat roughly 241 N as the practical continuous load (60 percent of the 0.5 MPa push rating); on vertical lifts that is about 20 kg carried with a 2:1 margin. The hard-chrome plated 12 mm rod and stainless barrel handle damp or outdoor air, and the built-in magnet feeds position feedback to CMSG, DMSG or EMSG switches with no special piston order.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X150-75S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 150 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. |
| ×150 | Stroke length in mm. |
| -75 | 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.
The standard-fit magnet lets EMSG switches flag mast top position, and the 75 mm window absorbs mast tolerance across build variants.
At a 2:1 margin this bore lifts about 20 kg vertically, and the corrosion-resistant stainless barrel suits frequent rinsing cycles.
Trim the extend stroke within 75 mm to dial nozzle reach for different part families - no cylinder swap or re-order needed.
If the 25 mm bore's 245.3 N is marginal and the 40 mm bore's 628.3 N is overkill, the 32 mm class at 402.2 N push (0.5 MPa) fits lifting jigs and slide driving. The 75 mm trim range covers wide process variation, but it shortens the stroke only - it never extends travel past 150 mm, and with the rod 150 mm out you should keep side loads off it. FA flange or LB foot mounting, I/Y knuckles for pivoting loads, and the stainless round body suits washdown corners where painted minis corrode.
Quick checklist
Push 402.2 N / pull 345.6 N at 0.5 MPa; push 563.0 N / pull 483.8 N at 0.7 MPa; 82 kgf theoretical maximum at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof, air filtered to 40 um, temperature -20 to +70 C, and speed 30-800 mm/s.
No. The stop screw is a mechanical end stop that trims the extend stroke anywhere within the 75 mm band; it is not a mid-stroke lock or brake, so the piston still drifts if air is lost. For true position holding, add an external locking device or valve control logic.
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