Airtac MARU Stainless Steel Mini Cylinder MARU20X60S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU20X60S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø20mm 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.
- BoreØ20 mm
- Stroke60 mm
- Port size1/8"
- Acting typeDouble acting + cushion (up mount)
- Rod threadM8×1.25
- CushionVariable air cushion, both ends
About the Airtac MARU Stainless Steel Mini Cylinder MARU20X60S
A compact round-body mini cylinder for light clamping and indexing work, the MARU20X60S pairs a 20 mm stainless barrel with a hard-chrome plated 8 mm rod and riveted aluminium covers that roll-seal onto the tube. Double acting with a variable air cushion at each end, it ships with an integrated top (U) bracket on the front cover, so it bolts to the machine without a separate foot or flange. The magnet is fitted as standard, ready for CMSG, DMSG or EMSG switches.
This bore pushes 157 N and pulls 131.9 N at 0.5 MPa, rising to 219.8 N on extend at 0.7 MPa. In practice, size the job to about 94 N of working push at 0.5 MPa so the cushion keeps its margin. Halve the gravity equivalent and the rod lifts roughly 8 kg vertically with a 2:1 reserve, which covers most small probe and gate loads. The stainless barrel also shrugs off splashes and damp shop air far better than a painted mini.
Airtac MARU Stainless Steel Mini Cylinder MARU20X60S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU20X60S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 60 mm |
| Acting type | Double acting + cushion (up mount) |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 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 MARU20X60S
| MAR | Standard round-body mini cylinder (double-acting, integrated mount, variable cushion). |
|---|---|
| U | Front-cover mount: U = up (top) mounting. |
| 20 | 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 (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 MARU20X60S Is Used
Pipette tray lift in a diagnostic analyser
A short vertical lift for sample trays: with about 8 kg of vertical capacity at a 2:1 margin, one MARU20X60S raises a loaded tray rack without drama, and the built-in magnet signals tray-present to the controller.
Vial reject pusher on a packaging line
Deflecting off-spec vials takes a quick side push of well under 100 N; the cylinder's about-94 N working output at 0.5 MPa clears the lane while the cushion stops the rod from knocking the guide rail.
Lens clamp in an optics assembly fixture
Gentle part holding: the low force class suits fragile glass lenses, and the stainless barrel copes with the isopropyl wipe-downs used between batches.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU20X60S the Right Cylinder?
Twenty millimetres is the smallest bore in the MAR line, so the only way from here is up: pick the 25 mm bore (245 N at 0.5 MPa) if 157 N falls short, or the 32 mm bore (402 N) for stiffer work. The 60 mm stroke sits well inside the 500 mm standard limit, so this is a catalogue item, not a made-to-order build.
Air pressure alone holds nothing: if supply drops, the piston drifts with the load - the cushion only softens the last millimetres. Fit a rod lock if the position must survive air loss. Air ports are 1/8", the rod thread is M8x1.25, and I or Y knuckles screw straight on.
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 MARU20X60S FAQ
At 0.5 MPa it pushes 157 N and pulls 131.9 N; at 0.7 MPa those figures rise to 219.8 N and 184.7 N. The theoretical maximum at 1.0 MPa is 32 kgf. Supply air should be filtered to 40 um within a 0.15-1.0 MPa (22-145 psi) operating band.
No. Every MA-series cylinder carries a built-in magnet as standard, so CMSG, DMSG and EMSG reed or solid-state switches clip on without a special piston. The top (U) mounting bracket is also part of the front cover itself - there is no separate foot or flange to buy.
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