
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X175-10S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø25mm bore and 175mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
Fine tuning is the whole point of the -10 suffix: on the MAJ25X175-10S an external stop screw trims the 175 mm extend stroke down by up to 10 mm, so commissioning engineers can nail an exact end position without swapping hardware. Double-acting throughout, it runs at 30-800 mm/s on 0.15-1.0 MPa (22-145 psi) filtered air.
At 0.5 MPa this 25 mm bore pushes 245.3 N; keep the real working load near 147 N (about 0.6 of the rating) for long seal and rod life. The heterogeneous two-way piston seal doubles as a grease store inside the riveted stainless barrel, and the hard-chrome plated carbon-steel rod stands up to damp, dusty or outdoor air. A magnet ships as standard, ready for CMSG / DMSG / EMSG switches.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X175-10S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 175 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. |
| ×175 | 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.
Set a glue head's extend limit to the millimetre for consistent bead length on 175 mm long seams, trimmed within the 10 mm window.
Position a dispensing nozzle over microplate wells; 245.3 N at 0.5 MPa gives crisp, repeatable motion and the stainless body wipes clean easily.
Feed blanks into a small press die; the fine 10 mm trim aligns the feed finger exactly, while the standard magnet feeds stroke-confirm signals to the PLC.
The 20 mm bore pushes 157.0 N and the 32 mm bore 402.2 N at 0.5 MPa, bracketing this 25 mm model for mid-range duty. Where you need the 175 mm reach with a precise fixed stop, the narrow 10 mm window is ideal. Remember the stop screw limits extension only; it is not a brake, and the rod will drift if air is lost. Mount via FA flange or LB foot and add I or Y rod knuckles where the tooling needs a pivoting joint - adjustable models omit the SDB option. Keep side load low on the 10 mm rod across the long stroke.
Quick checklist
Figures for the 25 mm bore: 245.3 N push and 206.1 N pull at 0.5 MPa, 343.4 N push at 0.7 MPa, and a 50 kgf theoretical maximum at 1.0 MPa. Speeds run 30 to 800 mm/s at 0.15-1.0 MPa (22-145 psi).
No. Every MAJ cylinder carries a built-in magnet as standard, so CMSG, DMSG and EMSG switches clamp straight onto the stainless barrel without a special-order piston. This bore takes 1/8" ports and the rod thread is M10x1.25.
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