Airtac MARU Stainless Steel Mini Cylinder MARU25X75S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU25X75S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø25mm bore and 75mm 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
- Stroke75 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 MARU25X75S
Where a 75 mm reach must start from a fixed machine face, the MARU25X75S bolts straight on through its integrated up-facing bracket - MAR carries the mount on the front cover, so there is no separate flange or foot to order. It is double acting with variable cushions, moving a 10 mm hard-chrome rod between 30 and 800 mm/s on 0.15-1.0 MPa (22-145 psi) air.
At 0.5 MPa the bore delivers 245.3 N out and 206.1 N back; plan the mechanism around roughly 147 N and about 12.5 kg of vertical lift at a 2:1 ratio. Inside, a two-way piston seal doubles as a grease store, and the factory-fitted magnet means CMSG, DMSG or EMSG switches need no special piston.
Airtac MARU Stainless Steel Mini Cylinder MARU25X75S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU25X75S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 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 MARU25X75S
| 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. |
| ×75 | 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 MARU25X75S Is Used
Case squaring push
Squares and pushes small board cases onto a stacking plate; 245 N at 0.5 MPa is ample for light case board.
Height check probe
Drops a go/no-go probe 75 mm into a machined pocket on an engine-head line, the cushion protecting the tip.
Shuttle stop gate
Lifts a 10 kg stop gate between conveyor lanes in a mini-load store, within the 12.5 kg vertical figure.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU25X75S the Right Cylinder?
Sizing is simple: below this model, a 20 mm MAR gives 157.0 N at 0.5 MPa; above it, the 32 mm MAR reaches 402.2 N. Keep side loads off the 75 mm exposed rod by guiding the part externally, and fit knuckle I or Y on the M10x1.25 thread where the load pivots. Remember this is not a holding device - without air the rod drifts, so a rod lock is the answer for secure end positions.
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 MARU25X75S FAQ
Push 245.3 N and pull 206.1 N at 0.5 MPa; push 343.4 N and pull 288.5 N at 0.7 MPa; 50 kgf theoretical maximum at 1.0 MPa. Port size is 1/8 inch and the rod thread is M10x1.25.
The magnet is factory-fitted, so AirTAC CMSG, DMSG and EMSG switches clip onto the stainless barrel anywhere along the 75 mm stroke and read end positions directly - no option code, no extra piston hardware.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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