
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-10S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø25mm bore and 65mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
A compact round-body actuator built around a stainless-steel barrel and a hard-chrome plated 10 mm rod, the MAJ25X65-10S pushes 245.3 N at 0.5 MPa and pulls 206.1 N on the return. Its external stop screw trims the extend stroke by up to 10 mm on site, so one cylinder covers several end positions without changing hardware. Fixed bumper pads soften each end of travel, and the rolling-packed aluminium covers keep the envelope tight.
Since 0.6 of the rated push is a realistic budget, plan roughly 147 N of useful work at 0.5 MPa - about the force needed to seat or eject small aluminium fittings on an assembly bench. The magnet fitted as standard lets CMSG, DMSG or EMSG switches clamp straight onto the barrel, and a 40 um filtered air supply at 0.15-1.0 MPa (22-145 psi) drives it from 30 to 800 mm/s.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-10S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 65 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 300 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 | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 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). |
|---|---|
| 25 | Bore size in mm. |
| ×65 | Stroke length in mm. |
| -10 | 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.
Ejects formed blister trays off a thermoform mould with 245 N at 0.5 MPa - roughly 147 N of practical pushing force.
The 10 mm trim window lets a technician dial in the exact stop height for each rotary-table station without shimming.
Presses sample cups into lids on a small benchtop filling rig, with a CMSG switch confirming the seated position.
Step down to the bore-20 MAJ (157.0 N push at 0.5 MPa) for lighter ejection duty, or up to bore 32 (402.2 N) when a fixture needs more clamp. The 10 mm trim window suits dial plates where the stop position is final-tuned once. FA flange and LB foot mountings bolt straight on, and the built-in magnet means a CMSG switch confirms the trimmed end position. Do not rely on the stop screw to hold a load if air pressure drops - it sets position, it does not lock it.
Quick checklist
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa those rise to 343.4 N and 288.5 N. Theoretical maximum at 1.0 MPa is 50 kgf. Bore is 25 mm with a 10 mm rod, 1/8" ports, and the extend stroke can be trimmed by up to 10 mm via the stop screw.
The stainless-steel barrel with hard-chrome plated rod resists corrosion in damp, food or outdoor settings where painted minis rust, and the rolling-packed round body stays compact. A magnet is fitted as standard, so CMSG, DMSG or EMSG switches mount without a special-order piston.
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Covers non-human-caused product damage.
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