Airtac MARF Stainless Steel Mini Air Cylinder MARF25X160S
The AirTAC Airtac MARF Stainless Steel Mini Air Cylinder MARF25X160S is a genuine double acting + cushion (front mount) standard round-body mini air cylinder with a Ø25mm bore and 160mm 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
- Stroke160 mm
- Port size1/8"
- Acting typeDouble acting + cushion (front mount)
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MARF Stainless Steel Mini Air Cylinder MARF25X160S
Sixteen times longer than it is wide, the MARF25X160S moves a 25 mm bore through 160 mm of stroke inside a rolled stainless tube. Double acting throughout, it delivers 245.3 N of push and 206.1 N of pull at 0.5 MPa, climbing to 343.4 N at 0.7 MPa. The F front-flange mount is rolled into the front cover, and pressure runs 0.15-1.0 MPa (22-145 psi).
Treat 245.3 N as the ceiling: budget roughly 147 N for the actual job and the actuator will run cool over millions of cycles. In a vertical orientation it lifts about 25 kg against gravity, or roughly 12 kg with a comfortable 2:1 margin. The variable cushion at both ends matters more as the stroke grows, since a load reaching 800 mm/s has real momentum to absorb; the stainless barrel and hard-chrome 10 mm rod also tolerate splash and humidity that would pit a painted body.
Airtac MARF Stainless Steel Mini Air Cylinder MARF25X160S Technical Specifications
| Model | Airtac MARF Stainless Steel Mini Air Cylinder MARF25X160S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 160 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.
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 MARF Stainless Steel Mini Air Cylinder MARF25X160S
| 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. |
| ×160 | 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 MARF Stainless Steel Mini Air Cylinder MARF25X160S Is Used
Pusher on a roller conveyor
Diverting cartons across a 160 mm lane on a food-line conveyor, where washdown spray meets the stainless barrel without complaint.
Slide extension for a fixture
Extending a drill jig clear of the spindle on a small machining cell; the front flange ties the barrel to the slide plate.
Tray lift-assist in storage
Raising a parts tray of about 12 kg on a pick station, using the 2:1 vertical margin on its 25 kg lift capability.
Is the Airtac MARF Stainless Steel Mini Air Cylinder MARF25X160S the Right Cylinder?
A 20 mm MAR gives only 157 N at 0.5 MPa, so pick it only if your load is light; a 32 mm bore (402.2 N push) is the better call once friction and alignment losses eat into the budget. Over a 160 mm span, even small side loads bend the 10 mm rod, so guide the load externally rather than letting the rod carry it. The magnet fitted as standard pairs with CMSG, DMSG or EMSG switches for end-of-stroke signalling, and the flange is integral, not an add-on. If the machine must hold a mid-stroke position after air loss, this cylinder will drift - fit a rod lock.
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 MARF Stainless Steel Mini Air Cylinder MARF25X160S 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 theoretical 50 kgf ceiling at 1.0 MPa. Ports are 1/8 in. on this 25 mm bore, the rod is 10 mm with M10x1.25 thread, stroke is 160 mm, and speed range is 30-800 mm/s.
Yes. Every MA-series barrel ships with a magnet in the piston, so CMSG, DMSG or EMSG reed or electronic switches mount on the tube without a special-order cylinder. Just confirm switch length covers the 160 mm stroke so the magnet stays in range at both ends.
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