Airtac MARU Stainless Steel Mini Cylinder MARU63X25S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU63X25S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø63mm bore and 25mm stroke, 1/4" 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.
- BoreØ63 mm
- Stroke25 mm
- Port size1/4"
- Acting typeDouble acting + cushion (up mount)
- Rod threadM14×1.5
- CushionVariable air cushion, both ends
About the Airtac MARU Stainless Steel Mini Cylinder MARU63X25S
Short stroke, full force: the MARU63X25S squeezes AirTAC's largest MAR bore, 63 mm, into a 25 mm stroke, double acting with a variable cushion and its own up-mount bracket on the front cover. The rod pushes 1557.9 N at 0.5 MPa - about 158 kgf of theoretical force at that pressure.
Treat roughly 935 N as the working band at 0.5 MPa and the cylinder runs all shift without hammering its covers. The riveted stainless-steel barrel with a hard-chrome 16 mm rod handles washdown corners where coated minis pit, while the standard magnet lets CMSG / DMSG / EMSG switches sense this very short travel.
Airtac MARU Stainless Steel Mini Cylinder MARU63X25S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU63X25S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø63 mm |
| Stroke | 25 mm |
| Acting type | Double acting + cushion (up mount) |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1458 N |
| 0.7 MPa | 2182 N | 2041 N |
| Max (@1.0 MPa) | 318 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 MARU63X25S
| MAR | Standard round-body mini cylinder (double-acting, integrated mount, variable cushion). |
|---|---|
| U | Front-cover mount: U = up (top) mounting. |
| 63 | Bore size in mm. |
| ×25 | 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 MARU63X25S Is Used
Stop block in a press shop
Locates a die shoe with a short, precise move; 317.7 kgf of theoretical maximum force stands by at 1.0 MPa.
Lab press hold-down
Clamps test plates in a washdown-friendly fixture; the stainless round barrel wipes clean after chemical spills.
Kicker for a sorting chute
Flicks heavy castings between lanes with just 25 mm of travel; the end-of-stroke cushion protects the bracket at speed.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU63X25S the Right Cylinder?
Drop one bore down and a MARU50 pushes 981.3 N at 0.5 MPa - about 63 percent of this model - so the 63 mm pick pays off only when you truly need the 1557.9 N class. There is no step up inside MAR; for more force you move to a larger series. Do not count on the MAR to park a load: on air loss the piston moves with the load, and only a separate rod lock will hold it.
The 25 mm stroke keeps the rod stiff, so side-load worries are minimal. The integrated up mount and the standard piston magnet (CMSG / DMSG / EMSG ready) finish the package.
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 MARU63X25S FAQ
At 0.5 MPa the rod extends with 1557.9 N and retracts with 1457.4 N; at 0.7 MPa those become 2181.0 N and 2040.3 N. The theoretical maximum is 317.7 kgf at 1.0 MPa. Pressure range is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof test.
Short travel keeps the 16 mm hard-chrome rod rigid and the machine envelope tight while still delivering the full 63 mm force class - useful for clamps, stops and kickers. The stainless barrel and riveted round-body build seal reliably in damp areas, and the standard magnet supports CMSG, DMSG and EMSG sensing.
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