Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X350-30S
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X350-30S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø25mm bore and 350mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ25 mm
- Stroke350 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 MAJ25X350-30S
Commissioners like the MAJ25X350-30S because 30 mm of the 350 mm extend stroke can be walked back on site with the external stop screw - no shimming, no re-piping. Double-acting output is 245.3 N push and 206.1 N pull at 0.5 MPa; at 0.7 MPa push climbs to 343.4 N. The 350 mm travel is a non-standard, made-to-order stroke for this 25 mm bore, and speed spans 30-800 mm/s across 0.15-1.0 MPa (22-145 psi).
Build quality leans on a riveted stainless round barrel with a 20 um hard-chrome plated rod, so humid food or outdoor cells cause little trouble. Fixed bumper pads ease the landing at both stroke ends - deceleration only, since adjustable cushioning lives in the MACJ family. Keep applied load near 147 N to preserve service life; that supports lifting about 12.5 kg vertically at a 2:1 margin. The magnet is standard, feeding CMSG / DMSG / EMSG switching without extras.
Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X350-30S Technical Specifications
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X350-30S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 350 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 MAJ25X350-30S
| MAJ | Standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 25 | Bore size in mm. |
| ×350 | 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 MAJ25X350-30S Is Used
Film slitter roll eject
Ejects finished rolls off a film slitter shaft; the 30 mm trim absorbs core and wrap thickness differences between product runs.
Roaster cooling gate
Switches coffee flow between cooling trays on a roasting line; oily, warm ambient air is handled by the sealed riveted body.
Depalletizer jam pusher
Clears jammed cans at a depalletizer discharge; 245.3 N at 0.5 MPa or 343.4 N at 0.7 MPa shifts stuck layers without manual prodding.
Is the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ25X350-30S the Right Cylinder?
If the job sits between bore sizes, note that bore 20 gives 157 N at 0.5 MPa and bore 32 gives 402.2 N - this 25 mm cylinder at 245.3 N covers the middle ground with margin. The 30 mm window absorbs later layout changes without re-plumbing the machine. Mount via FA flange or LB foot; I and Y rod knuckles handle pivoting links. Over a 350 mm reach even small misalignment multiplies, so run external linear guides and check rod squareness at both ends of travel. Do not count on the stop screw to hold a load with air off - it sets travel length, not position under load.
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 MAJ25X350-30S FAQ
Push 245.3 N / pull 206.1 N at 0.5 MPa; push 343.4 N / pull 288.5 N at 0.7 MPa; 50.0 kgf theoretical peak at 1.0 MPa. It runs on 0.15-1.0 MPa (22-145 psi) air filtered to 40 um at 30-800 mm/s, with 1/8" ports and an M10x1.25 rod thread.
Fixed anti-impact bumper pads decelerate the piston at both ends - they are not adjustable air cushions, which belong to the MACJ family. The riveted stainless round barrel and 20 um hard-chrome plated rod resist mild corrosion, so washdown zones and humid outdoor cells are practical homes for this unit.
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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