Airtac MARU Stainless Steel Mini Cylinder MARU25X105S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU25X105S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø25mm bore and 105mm 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
- Stroke105 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 MARU25X105S
With 245.3 N of push and 206.1 N of pull at 0.5 MPa (343.4 N at 0.7 MPa, peaking at 50 kgf theoretical), the MARU25X105S covers the mid-force band with a 105 mm stroke. AirTAC builds it as a double-acting MA-series cylinder with a variable air cushion at both ends and its own top (U) front bracket rolled into the body.
The round barrel is stainless steel and the covers are aluminium alloy, riveted onto the tube - a sealed, corrosion-resistant package for damp or washed-down machines. Because the bracket is integral, there is no flange or foot to order separately. The 105 mm stroke ends can be damped via the cushion needles as you raise speed toward 800 mm/s. Budget about 147 N of usable force at 0.5 MPa, or treat it as roughly a 12 kg vertical lifter with margin.
Airtac MARU Stainless Steel Mini Cylinder MARU25X105S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU25X105S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 105 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 MARU25X105S
| 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. |
| ×105 | 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 MARU25X105S Is Used
Line diverter
Swings a small diverter flap between two chutes on a food filling line, where the stainless round body shrugs off daily hose-down.
Light clinch
Presses a snap-fit clip home on an electronics assembly station, 105 mm of travel to reach the part then 147 N of working force to close it.
Index stop
Drops into place as an index stop on a rotary indexing table, the cushioned stroke ends stopping the pallet without bounce.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU25X105S the Right Cylinder?
Step down to the 20 mm bore (157 N push at 0.5 MPa) when force is spare, or up to 32 mm (402.2 N) when it is not - this 25 mm unit sits squarely between. The standard-fit magnet accepts CMSG, DMSG and EMSG switches for end-of-stroke signalling. If your process must stay put when pressure drops, this cylinder will not hold on its own - pair it with a rod lock. Connection detail: 1/8" ports, M10x1.25 rod thread, 0.15-1.0 MPa (22-145 psi) supply, 30-800 mm/s speed.
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 MARU25X105S FAQ
Push is 245.3 N and pull 206.1 N at 0.5 MPa; at 0.7 MPa expect 343.4 N push and 288.5 N pull, with a 50 kgf theoretical maximum. The 10 mm rod thread is M10x1.25 and ports are 1/8".
A top (up) mounting bracket integrated on the front cover, so the cylinder bolts directly to the machine. MAR does not take separate flange or foot accessories, though I and Y rod knuckles still fit the rod.
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