Airtac MARU Stainless Steel Mini Cylinder MARU25X180S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU25X180S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø25mm bore and 180mm 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
- Stroke180 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 MARU25X180S
A 180 mm working stroke in a 25 mm bore is what the MARU25X180S gives you, built on AirTAC's riveted MA construction: a stainless round barrel with aluminium covers rolled on for a sealed, corrosion-resistant body. Double acting with variable cushions at both ends, it accepts air at 0.15-1.0 MPa (22-145 psi) and cycles between 30 and 800 mm/s.
Expect 245 N of push and 206 N of pull at 0.5 MPa, climbing to 343 N on extension at 0.7 MPa. Because the magnet comes as standard, a CMSG or EMSG switch bolts to the tube out of the box - no special piston needed. The up-facing front bracket means the cylinder hangs from a machine plate with zero extra hardware, and the hard-chrome 10 mm rod resists rust in washdown or outdoor air. Practical pull-and-lift budget: roughly 147 N of useful force, enough to hoist about 12 kg vertically at a 2:1 safety margin.
Airtac MARU Stainless Steel Mini Cylinder MARU25X180S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU25X180S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 180 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 MARU25X180S
| 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. |
| ×180 | 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 MARU25X180S Is Used
Stopper on a roller conveyor
Pops up between rollers to hold totes at a merge point; the 180 mm stroke clears the roller line and 245 N at 0.5 MPa holds the tote against flow.
Carton flap tucker
Folds the last flap on a small box sealer; 206 N of pull at 0.5 MPa retracts the arm fast, while the end cushions stop the flap from tearing.
Door hold-open on a paint booth
Swings a booth access door through 180 degrees; the stainless barrel tolerates overspray and solvent wipe-downs that would rust a painted mini.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU25X180S the Right Cylinder?
Compare before you commit: a 20 mm bore of the same series makes 157 N at 0.5 MPa, while a 32 mm bore jumps to 402 N, so the 25 mm class sits right in the middle for mid-weight pick-and-place. If a part must hold position through a power cut, remember this cylinder drifts when air is removed - the cushion only softens the stroke ends, it is not a brake; specify a rod lock for that job. Mounting is handled by the integrated U bracket, and with a 180 mm stroke any side load should be carried by external guides rather than the rod. Ports are 1/8 inch; the rod thread is M10x1.25.
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 MARU25X180S FAQ
Push is 245.3 N and pull is 206.1 N at 0.5 MPa. At 0.7 MPa push reaches 343.4 N and pull 288.5 N. The theoretical maximum at 1.0 MPa is 50 kgf. Work within 0.15-1.0 MPa (22-145 psi); proof pressure is 1.5 MPa (215 psi).
Longer strokes see more rod exposure, so the hard-chrome plated 10 mm carbon-steel rod and stainless tube pay off in damp or dusty shops where a bare steel mini would pit. The riveted body also keeps its seal over the full 180 mm of travel.
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