Airtac MARU Stainless Steel Mini Cylinder MARU40X260S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU40X260S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø40mm 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.
- BoreØ40 mm
- Stroke260 mm
- Port size1/8"
- Acting typeDouble acting + cushion (up mount)
- Rod threadM12×1.25
- CushionVariable air cushion, both ends
About the Airtac MARU Stainless Steel Mini Cylinder MARU40X260S
The MARU40X260S is a double-acting mini cylinder from AirTAC's round-body MA family: a stainless-steel barrel riveted onto aluminium covers around a hard-chrome plated 16 mm rod, with a variable air cushion at each end and an integrated up (U) front bracket, so no separate foot or flange is ordered. At 0.5 MPa it pushes 628 N and pulls 528 N; step the supply up to 0.7 MPa and push climbs to 880 N.
Because the magnet is built in as standard, CMSG, DMSG or EMSG switches snap on for end-of-stroke signaling without any special piston order. In practice, plan on roughly 377 N of real work at 0.5 MPa - about two thirds of the push rating - which lifts about 32 kg vertically at a 2:1 margin. Speed spans 30-800 mm/s on 0.15-1.0 MPa (22-145 psi) filtered air.
Airtac MARU Stainless Steel Mini Cylinder MARU40X260S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU40X260S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 260 mm |
| Acting type | Double acting + cushion (up mount) |
| Port size | 1/8" |
| Rod thread | M12×1.25 |
| 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | 739 N |
| Max (@1.0 MPa) | 128 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 MARU40X260S
| MAR | Standard round-body mini cylinder (double-acting, integrated mount, variable cushion). |
|---|---|
| U | Front-cover mount: U = up (top) mounting. |
| 40 | 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 MARU40X260S Is Used
Shrink-wrap infeed pusher
Feeding cartons into a shrink tunnel, where 628 N at 0.5 MPa overcomes packed-tunnel friction across the full 260 mm travel.
CNC enclosure guard lift
Raising a sheet-metal guard door; the cushion eases the door down at stroke end while the top bracket carries the load directly.
Tray indexing with confirmation
Indexing bakery trays with CMSG switches confirming full extend and retract on every 260 mm cycle.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU40X260S the Right Cylinder?
Compare bores by push at 0.5 MPa: a 32 mm MAR gives 402 N, this 40 mm gives 628 N, and a 50 mm MAR steps up to 981 N, so pick the 40 only when your load sits between those figures. On 260 mm of travel, guide the load or add an external guide - side loads bend the 16 mm rod and wear the seals. Note that a plain MAR drifts when air pressure drops; it has no lock, so fit a rod lock if the position must be held. The U bracket bolts the front cover straight to the machine, and if you need face mounting instead, the F front-flange version of the same cylinder exists.
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 MARU40X260S FAQ
At 0.5 MPa it pushes 628 N and pulls 528 N; at 0.7 MPa push is 880 N and pull 739 N; the theoretical maximum at 1.0 MPa is 128.1 kgf. Air ports are 1/8", the rod is 16 mm with M12x1.25 male thread, stroke is 260 mm, pressure range 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s.
No. Every MARU40X260S ships with the piston magnet already fitted, so CMSG, DMSG and EMSG switches mount directly on the stainless barrel for end-of-stroke or mid-stroke detection straight out of the box.
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