
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X130-10S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø25mm bore and 130mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
The 10 mm window on the MAJ25X130-10S is a trimming tool, not a coarse range: turn the external stop screw to nail one exact extend position after installation, ideal where a fixture datum or sensor must sit within a millimetre or two. Double-acting, it develops 245.3 N push and 206.1 N pull at 0.5 MPa (73 psi), and 343.4 N push at 0.7 MPa (102 psi).
Its riveted stainless round body and 20 um hard-chrome plated rod handle splash better than painted minis, a real plus near coolant mist or on outdoor conveyors. Budget for about 147 N of useful work from the 0.5 MPa push rather than the full rating; that keeps cycles smooth across the 30-800 mm/s speed band. The magnet is standard equipment, so CMSG/DMSG/EMSG feedback needs no special piston.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X130-10S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 130 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. |
| ×130 | 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.
Locks a 4-station dial plate between moves; the 10 mm trim lets you set pin engagement to the datum after the table has been shimmed.
Raises a micro-dosing nozzle clear of the vial mouth; 206.1 N pull at 0.5 MPa (73 psi) retracts the light head briskly and a CMSG switch confirms the parked spot.
Positions circuit boards against a hard stop under an inspection camera; the fine window keeps the datum repeatable and an EMSG switch verifies each seat.
Step up or down with real numbers: the 20 mm bore delivers 157 N push at 0.5 MPa and the 32 mm bore delivers 402.2 N, placing this 25 mm cylinder's 245.3 N comfortably mid-class. The adjuster is purely a mechanical end stop for the extend stroke - it will not pin the load if air pressure is lost. FA and LB mounts plus I and Y knuckles cover most fixturing; the standard magnet takes CMSG/DMSG/EMSG switches. Check rod exposure over the 130 mm stroke for side load before finalising the layout.
Quick checklist
Push 245.3 N and pull 206.1 N at 0.5 MPa (73 psi); push 343.4 N and pull 288.5 N at 0.7 MPa (102 psi); 50 kgf theoretical maximum at 1.0 MPa. Supply 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-800 mm/s, ports 1/8" on this 25 mm bore.
The barrel is stainless steel and the 10 mm rod carries 20 um of hard chrome, so coolant mist and outdoor damp are not a problem; the aluminium covers are riveted to the tube in a compact round body. It works from -20 to +70 C with an M10x1.25 male rod thread.
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