Airtac MARU Stainless Steel Mini Cylinder MARU25X65S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU25X65S is a genuine double acting + cushion (up mount) 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. A variable air cushion at both ends lets you tune end-of-stroke deceleration on site.
- BoreØ25 mm
- Stroke65 mm
- Port size1/8"
- Acting typeDouble acting + cushion (up mount)
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MARU Stainless Steel Mini Cylinder MARU25X65S
For 65 mm strokes where the mount matters as much as the muscle, the MARU25X65S carries its own up-facing bracket rolled into the front cover - no loose flange to buy or align. Air works both sides of the 10 mm hard-chrome rod, and needle-screw cushions at each end tune the stop, so 30-800 mm/s travel need not hammer the aluminium covers.
Expect 245.3 N forward and 206.1 N back at 0.5 MPa; budget about 147 N for the actual work and the rod will raise roughly 12.5 kg against gravity with a 2:1 reserve. Because the stainless barrel is riveted into the covers rather than gasketed, washdown spray and outdoor damp have no joint line to creep into.
Airtac MARU Stainless Steel Mini Cylinder MARU25X65S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU25X65S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 65 mm |
| Acting type | Double acting + cushion (up mount) |
| 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 | Variable air cushion, both ends |
| Max standard stroke | Up to 500 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 MARU Stainless Steel Mini Cylinder MARU25X65S
| MAR | Standard round-body mini cylinder (double-acting, integrated mount, variable cushion). |
|---|---|
| U | Front-cover mount: U = up (top) mounting. |
| 25 | Bore size in mm. |
| ×65 | Stroke length in mm. |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
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 MARU Stainless Steel Mini Cylinder MARU25X65S Is Used
Chute diverter flap
Swings a small diverter flap between two filling chutes; 65 mm of travel clears the chute lip with margin.
Sample tray indexer
Advances sample trays one station in a lab autoloader, the cushion protecting glassware from jolts.
Bench deburring clamp
Clamps aluminium extrusion for hand deburring; 245.3 N at 0.5 MPa holds the part without marring it.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU25X65S the Right Cylinder?
Pick by load first: a 20 mm MAR yields 157.0 N at 0.5 MPa, this 25 mm bore 245.3 N, and the 32 mm size 402.2 N. The 65 mm travel keeps rod side-load modest, yet a guide or stop is still wise for off-axis pushes. If the load must stay put on air loss, the piston will drift - fit a rod lock instead. The built-in magnet feeds CMSG / DMSG / EMSG switches, and knuckle joints I or Y mount on the M10x1.25 thread.
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 On first run, back off the cushion screws and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MARU Stainless Steel Mini Cylinder MARU25X65S FAQ
At 0.5 MPa: 245.3 N push, 206.1 N pull. At 0.7 MPa: 343.4 N push, 288.5 N pull. Peak theoretical force reaches 50 kgf at 1.0 MPa. The port is 1/8 inch, the rod thread M10x1.25, and supply air 0.15-1.0 MPa (22-145 psi).
The U bracket is formed into the front cover itself, so mounting is a two-bolt job against a plate or rail with no separate foot bracket. That keeps the 65 mm stroke aligned and saves layout space in tight machines.
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