Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-30S
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-30S 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.
- BoreØ25 mm
- Stroke65 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke
- Rod threadM10×1.25
- CushionFixed anti-impact bumper pads
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-30S
Air at both ends of the piston, plus a stop screw that shortens the extend stroke anywhere within a 30 mm window: that is the MAJ25X65-30S in one line. At 0.5 MPa it presses with 245.3 N and retracts with 206.1 N, topping 50 kgf of theoretical force at 1.0 MPa. The stainless round barrel shrugs off mild corrosion, and the hard-chrome plated rod resists scoring in dusty plants.
One caution for buyers: the adjuster is a mechanical end stop, not a mid-stroke lock - if air is lost the rod still drifts, so never use it to hold a load. For sizing, treat around 147 N as the working force at 0.5 MPa rather than the full rating. Sensing comes built in, because every MA-series piston carries a magnet for CMSG / DMSG / EMSG switches, and 30-800 mm/s speeds suit quick ejection cycles on packaging machinery.
Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-30S Technical Specifications
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-30S |
|---|---|
| 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.
Theoretical Output Force (Ø25mm)
| 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.
Model Code: Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-30S
| MAJ | Standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 25 | Bore size in mm. |
| ×65 | Stroke length in mm. |
| -30 | 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.
Where the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-30S Is Used
Ejecting parts from an injection mould
Knocks small moulded clips free of the cavity; 343.4 N of push at 0.7 MPa clears sticky parts reliably.
Pusher on a tote-stacking station
Slides stacked totes sideways into a lane, with the 30 mm window absorbing tote height tolerance.
Fixture clamp for PCB test racks
Presses a PCB into its test pogo-pin nest, where the stainless barrel tolerates flux-cleaning washdown.
Is the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-30S the Right Cylinder?
If 245.3 N at 0.5 MPa is marginal for your clamp, the bore-32 MAJ gives 402.2 N; if it is overkill, the bore-20 unit makes do with 157.0 N. The 30 mm adjustment range is wide enough to re-purpose the same cylinder across several product variants on one line. Choose FA flange for a stiff axial mount or LB foot for base fixing, and pair with a Y knuckle when the linkage swings. Remember the stop sets the extend position only - it is not a brake against drift.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) is standard for sensors
- ✓ Back cover (CA/U/CM) & mount (FA/LB/SDB)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check Bumper models: keep speed within the rated range.
- check Installation by qualified personnel per AirTAC docs.
Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X65-30S FAQ
At 0.5 MPa: 245.3 N push and 206.1 N pull. At 0.7 MPa: 343.4 N push and 288.5 N pull. Theoretical ceiling is 50 kgf at 1.0 MPa. The 25 mm bore drives a 10 mm hard-chrome rod through 1/8" ports, adjustable over 30 mm of extend travel.
FA flange and LB foot mountings bolt on directly, with I and Y rod knuckles for pivoting links. Because the magnet is built in as standard on the MA series, CMSG, DMSG and EMSG switches clamp to the stainless barrel for end-position feedback.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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