
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X200-75S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 200mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
Wide tuning bands pay off while fixtures are still being proven out: the MAJ32X200-75S carries a 200 mm stroke whose extension can be wound down across a 75 mm band, so one cylinder serves 125-200 mm of working travel. The double-acting 32 mm bore turns 0.5 MPa into 402.2 N forward and 345.6 N return; budget roughly 240 N of that for real work and keep the rest as margin.
A stainless tube rolled up with aluminium covers and a hard-chrome carbon-steel rod resists the rust that kills coated minis in washdown or outdoor frames. Bumpers are fixed at each end to soften arrival - tunable cushioning is MACJ territory - while the standard-fitted piston magnet lets CMSG / DMSG / EMSG switches clip on and report end positions from day one.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X200-75S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 200 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. |
| ×200 | 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.
In an automotive bracket cell, the wide 75 mm band lets toolmakers dial clamp travel as electrodes wear, instead of re-ordering a different stroke length.
Sets the push-out length on a CNC bar feeder; with the stop screw the operator trims part length anywhere across 125-200 mm on the same cylinder.
Positions sample trays in a laboratory autosampler, where the 75 mm adjustment absorbs tray-format changes without stacking mechanical shims.
Compare before you commit: a 25 mm bore returns 245.3 N at 0.5 MPa and a 40 mm bore 628.3 N, so stay at 32 mm when the duty sits between those with trim margin to spare. LB foot and FA flange mountings plus I and Y knuckles suit most frame styles. The adjuster acts as a hard extend stop alone - it cannot pin the load if supply pressure fails, so rely on a dedicated clamp for that. At 200 mm extension, guide side loads externally to spare the 12 mm rod.
Quick checklist
Push is 402.2 N and pull is 345.6 N at 0.5 MPa; raise pressure to 0.7 MPa and you get 563.0 N forward, 483.8 N back. At 1.0 MPa the theoretical ceiling is 82 kgf. Rod 12 mm (M10x1.25 male), port 1/8", standard strokes to 500 mm.
FA flange and LB foot brackets plus I and Y rod knuckles cover typical frames. The stop screw is a hard mechanical limit for the extend stroke only - if air pressure is lost the rod can still be moved, so use a separate clamping method wherever a load must stay put.
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