Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X30-10S
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X30-10S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø25mm bore and 30mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ25 mm
- Stroke30 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 MAJ25X30-10S
Short travels, exact stops: the MAJ25X30-10S delivers a 30 mm extend stroke that the external stop screw reduces to as little as 20 mm inside the ordered 10 mm window. Double-acting throughout, it pushes and pulls on air and arrives with the position magnet already fitted for CMSG, DMSG and EMSG switches.
Bore 25 gives 245.3 N forward and 206.1 N return at 0.5 MPa - budget about 147 N for real work, which lifts close to 12 kg against gravity with a 2:1 margin. The riveted round body pairs a stainless barrel with a 20 um hard-chrome plated rod, so it survives washdown corners where painted minis blister.
Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X30-10S Technical Specifications
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X30-10S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 30 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 MAJ25X30-10S
| MAJ | Standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 25 | Bore size in mm. |
| ×30 | 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.
Where the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X30-10S Is Used
Clamping fixture
Clamps small housings on a machining fixture; set the final clamp position anywhere in the 10 mm window without shims, with 245 N behind the plunger.
Escapement feed
Indexes single parts out of a stack in a bowl-feed or escapement station; the short 30 mm throw keeps cycle times fast at up to 800 mm/s.
Presence check gate
Confirms a part is seated before a press or test step; the standard magnet trips a DMSG switch the moment the trimmed stroke is reached.
Is the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X30-10S the Right Cylinder?
Compare strokes and bores together: the bore 20 sibling pushes 157.0 N at 0.5 MPa and the bore 32 reaches 402.2 N, so 25 mm suits loads around 100-150 N. The stop screw is a stroke-end limiter, not a holding brake - the rod will sag if supply air fails, so fit a locking valve where that matters. Choose an FA flange or LB foot, add I or Y rod knuckles for a pin joint, and keep the 10 mm rod free of side load even on this short 30 mm travel. Air supply is 0.15-1.0 MPa (22-145 psi) and running speed 30-800 mm/s.
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 MAJ25X30-10S FAQ
Push is 245.3 N and pull 206.1 N at 0.5 MPa; at 0.7 MPa push reaches 343.4 N; theoretical maximum is 50 kgf. Extend stroke is 30 mm, trimmable down to 20 mm via the 10 mm stop-screw window. Ports are 1/8" and the rod thread is M10x1.25.
The stainless barrel and hard-chrome rod (20 um plating) resist corrosion in wet or washed-down areas, and the riveted covers keep the body short and rigid. Fixed bumper pads soften stroke-end impact; they decelerate only - adjustable air cushioning belongs to the MACJ series, and the double-rod version is the MAD.
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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