Airtac MARU Stainless Steel Mini Cylinder MARU20X260S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU20X260S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø20mm bore and 260mm 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
- Stroke260 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 MARU20X260S
MARU20X260S puts a 20 mm bore and a 260 mm stroke inside AirTAC's round MA-series body: a stainless-steel barrel with aluminium covers rolled on for a sealed, riveted joint. It is double acting with a variable air cushion at both ends, and the up-mount bracket is part of the front cover, so no separate foot or flange is needed. At 0.5 MPa the piston pushes 157 N and pulls 131.9 N; at 0.7 MPa push rises to 219.8 N. Running range is 0.15-1.0 MPa (22-145 psi) at 30-800 mm/s.
The 8 mm hard-chrome plated rod shrugs off washdown and damp shop air, a real edge over painted mini cylinders in food and outdoor cells. Needle screws on both cushion ends let you soften the last millimetres, so you can run faster or carry more without hammering the covers. In practice that 157 N push at 0.5 MPa lifts about 16 kg vertically, or about 8 kg once you keep a 2:1 margin for the real part weight. A magnet comes built in, so CMSG, DMSG or EMSG switches clip straight on.
Airtac MARU Stainless Steel Mini Cylinder MARU20X260S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU20X260S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 260 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 MARU20X260S
| 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. |
| ×260 | 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 MARU20X260S Is Used
Bottling-line capping head lift
Raises a 6 kg capping head roughly 260 mm between stations; with about 8 kg of safe vertical lift at 0.5 MPa the cylinder carries it with margin to spare.
Checkweigher reject pusher
Kicks underweight packs off a conveyor in one 260 mm pass; around 94 N of working force at 0.5 MPa clears the lane without bruising the carton.
Hopper slide-gate actuator
Opens and closes a powder hopper gate on demand; the cushioned ends stop the gate slamming when the cylinder runs near full speed.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU20X260S the Right Cylinder?
For pure push this 20 mm bore is the smallest MAR makes; if your load needs more than about 157 N at 0.5 MPa, step up to the 25 mm bore (245 N push) or 32 mm bore (402 N) in the same U mount. Note that a plain cylinder drifts when air is lost - the cushion only softens the stroke end, so add a rod lock if the 260 mm stroke must hold position. With a stroke this long, keep side load off the 8 mm rod: guide the payload externally or fit an I or Y knuckle on the M8x1.25 thread. Air ports are 1/8", and the standard magnet pairs with CMSG/DMSG/EMSG switches.
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 MARU20X260S FAQ
At 0.5 MPa it pushes 157 N and pulls 131.9 N; at 0.7 MPa push is 219.8 N. Theoretical maximum is 32 kgf at 1.0 MPa. Bore is 20 mm, stroke 260 mm, rod 8 mm with an M8x1.25 male thread, air port 1/8", speed 30-800 mm/s, and pressure range 0.15-1.0 MPa (22-145 psi).
No. MAR carries its own bracket on the front cover - the U code means a top/up mount rolled into the body - so it bolts straight to your plate without buying a flange or foot. The stainless round barrel keeps the whole assembly sealed against washdown spray.
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