Airtac MARU Stainless Steel Mini Cylinder MARU25X100S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU25X100S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø25mm bore and 100mm 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
- Stroke100 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 MARU25X100S
The MARU25X100S is a 25 mm bore, double-acting mini cylinder from AirTAC's MA series with a 100 mm stroke and an integrated top (U) mounting bracket, so the flange is already on the front cover and no separate foot or flange part is needed. At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa that rises to 343.4 N, with a theoretical peak of 50 kgf.
A riveted stainless-steel round barrel and hard-chrome plated rod stand up to washdown and humid air far better than painted-steel minis, while the variable air cushion at both ends lets you soften the 100 mm stroke when running up to 800 mm/s. The piston magnet is built in as standard, so CMSG, DMSG or EMSG switches simply snap on. In practice, plan on roughly 147 N of real working force at 0.5 MPa - that translates to lifting about 12 kg vertically with a 2:1 margin.
Airtac MARU Stainless Steel Mini Cylinder MARU25X100S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU25X100S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 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 MARU25X100S
| 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. |
| ×100 | 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 MARU25X100S Is Used
Packaging pusher
Rows of cartons on a conveyor get squared or pushed off at the end of a 100 mm stroke, with the top mount bolted straight to the machine frame.
Fixture ejection
Finished parts are kicked clear of a drilling or milling fixture once the cycle ends, cushioned at both ends so the part is not flung.
Small gate lift
A light interlock gate or deflector plate on a bottling line is raised, matched to the 245 N push or roughly 12 kg of vertical lift.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU25X100S the Right Cylinder?
Need less force? The 20 mm MAR pushes 157 N at 0.5 MPa; need more, the 32 mm bore reaches 402.2 N. Between them, this 25 mm model covers slides and lifters in the 200-400 N band. Like every plain MAR it drifts if air is lost, so add a rod lock where a position must be held; I and Y rod knuckles still fit the 10 mm rod with its M10x1.25 thread. Ports are 1/8", supply 0.15-1.0 MPa (22-145 psi), speed range 30-800 mm/s.
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 MARU25X100S FAQ
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa, 343.4 N push and 288.5 N pull. The theoretical maximum at 1.0 MPa is 50 kgf. The 10 mm rod carries an M10x1.25 male thread and ports are 1/8".
No. The piston magnet ships as standard on every MAR, so CMSG, DMSG or EMSG reed switches drop straight onto the stainless barrel without a special-order piston.
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