Airtac MARU Stainless Steel Mini Cylinder MARU50X225S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU50X225S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø50mm bore and 225mm 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.
- BoreØ50 mm
- Stroke225 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 MARU50X225S
A 50 mm bore driving 225 mm of stroke, the MARU50X225S is AirTAC's double-acting MAR mini cylinder: 981.3 N of push at 0.5 MPa and 880.8 N on retract, rising to 1373.8 N when fed 0.7 MPa. The front cover carries a built-in up (U) mount, so the cylinder bolts straight onto the machine frame with no separate foot or flange to order.
The riveted stainless-steel barrel and hard-chrome plated rod take mild corrosion and washdown better than painted-steel minis, which suits damp or outdoor lines. Variable air cushion at both ends lets you dial out end-of-stroke shock, so faster cycles or heavier loads do not hammer the covers. At 0.5 MPa, keep real work near 589 N (about 60 percent of push) for a comfortable margin; the theoretical peak is 200.1 kgf. A standard magnet accepts CMSG / DMSG / EMSG switches out of the box.
Airtac MARU Stainless Steel Mini Cylinder MARU50X225S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU50X225S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø50 mm |
| Stroke | 225 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | 1234 N |
| Max (@1.0 MPa) | 200 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 MARU50X225S
| MAR | Standard round-body mini cylinder (double-acting, integrated mount, variable cushion). |
|---|---|
| U | Front-cover mount: U = up (top) mounting. |
| 50 | Bore size in mm. |
| ×225 | 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 MARU50X225S Is Used
Tray reject pusher
Kicks off-spec trays sideways at a packaging line exit, the 225 mm reach clearing a full conveyor lane in one hit.
Press transfer arm
Slides formed brackets between stations on a stamping line, cushion tuned for repeatable placement at each stop.
Gate diverter
Pushes product gates across a bottling conveyor, where 589 N of working force is ample for filled cases.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU50X225S the Right Cylinder?
Sizing check: if 981.3 N at 0.5 MPa overshoots your load, the 40 mm MAR bore delivers 628.3 N on a shorter body; if you need more, the 63 mm bore reaches 1557.9 N. Both neighbours share the same 30-800 mm/s speed range. Like any double-acting cylinder without a lock, the rod drifts if air is lost - add a rod lock where a held position matters. The integrated U bracket removes the need for a separate flange, and I or Y rod knuckles still thread onto the M14x1.5 rod.
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 MARU50X225S FAQ
At 0.5 MPa it pushes 981.3 N and pulls 880.8 N; at 0.7 MPa those rise to 1373.8 N and 1233.1 N. Theoretical maximum at 1.0 MPa is 200.1 kgf. Working pressure spans 0.15-1.0 MPa (22-145 psi).
The riveted stainless barrel plus hard-chrome rod tolerates washdown and humidity, the variable cushion at both ends dials out end-of-stroke shock, and the up-mount bracket built into the front cover means no separate flange to buy or align. The magnet is standard, so CMSG / DMSG / EMSG switches attach directly.
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Covers non-human-caused product damage.
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