
The AirTAC MARF Stainless Steel Mini Air Cylinder MARF25X60S is a genuine double acting + cushion (front mount) standard round-body mini air cylinder with a Ø25mm bore and 60mm 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.
Built on a riveted stainless round barrel with a hard-chrome plated 10 mm rod, the MARF25X60S stands up to washdown corners where painted mini cylinders blister. The front-flange bracket is part of the cover itself, so mounting is two bolts into the machine plate. On 0.15-1.0 MPa (22-145 psi) air it pushes 245 N at 0.5 MPa, peaking at 343 N.
Dial the twin needle screws on first run and the variable cushion at each end absorbs stop shock, letting you run the 60 mm stroke faster. The piston magnet is factory-fitted for CMSG / DMSG / EMSG switches.
| Model | Airtac MARF Stainless Steel Mini Air Cylinder MARF25X60S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 60 mm |
| Acting type | Double acting + cushion (front 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.
| 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.
| MAR | Standard round-body mini cylinder (double-acting, integrated mount, variable cushion). |
|---|---|
| F | Front-cover mount: F = front-flange mounting. |
| 25 | Bore size in mm. |
| ×60 | 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 (double rod, 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.
Ejects routed PCB panels off a router vacuum bed; 245 N clears adhesive residue without marking the panel edge.
Swings a divert gate at a sortation spur, the 60 mm throw matching the lane gap on a 245 N push.
Lifts a small hopper inspection lid against a light counterweight, cushioning the top-of-travel stop.
The 20 mm bore tops out at 157 N push, so once a load needs more than about 150 N of working force this 25 mm unit at 245 N is the step up; heavy pushes beyond 400 N move to the 32 mm at 402 N. Air loss lets the rod drift - the cushion softens the ends only, it never holds position - so add a rod lock for suspended loads. If the machine needs a double rod to guide or push from two faces, look at MACD; for an adjustable stroke window, MACJ.
Quick checklist
It pushes 245 N and pulls 206 N at 0.5 MPa; at 0.7 MPa that becomes 343 N push and 289 N pull. Theoretical maximum is 50 kgf at 1.0 MPa, on a 10 mm rod with M10x1.25 thread and 1/8 inch ports.
First-run tuning of the twin cushion needles sets how hard the rod lands at each end. With the variable air cushion set, you can push speeds up to 800 mm/s or add load without hammering the aluminium covers.
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