Airtac MARU Stainless Steel Mini Cylinder MARU50X25S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU50X25S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø50mm 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.
- BoreØ50 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 MARU50X25S
Short stroke, full force: the MARU50X25S travels just 25 mm yet pushes 981.3 N and pulls 880.8 N at 0.5 MPa, with a theoretical peak of 200.1 kgf. Its up-facing bracket is part of the front cover, so it clamps straight onto a fixture without extra mounting hardware.
At this ratio of force to travel, plan real work around 589 N at 0.5 MPa rather than the full rating. The stainless round barrel and hard-chrome carbon-steel rod handle splash and humidity that would rust painted mini bodies, while the variable cushion at both ends protects the covers on fast, hard stops. The piston magnet ships standard, so CMSG / DMSG / EMSG position sensing needs no special order.
Airtac MARU Stainless Steel Mini Cylinder MARU50X25S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU50X25S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø50 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 (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 MARU50X25S
| 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. |
| ×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 MARU50X25S Is Used
Clamp fixture
Clamps sheet-metal panels in a welding jig, the short 25 mm stroke cycling quickly between parts without wasted motion.
Cutter hold-down
Presses a workpiece flat before a saw cut, cushion tuned so the head lands without bounce at the moment of contact.
Index pin
Drives a locking pin into a rotary table's detent, 589 N of working force far above what pin seating actually needs.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU50X25S the Right Cylinder?
A 25 mm stroke makes this the pick for clamps and ejection pins: full 50 mm bore force, minimal travel. Step down to the 40 mm bore (628.3 N at 0.5 MPa) if 981.3 N is more than the job needs, or up to 63 mm (1557.9 N) for heavier clamping. The M14x1.5 rod thread accepts I and Y knuckles for off-axis links. Position is not held on air loss - the piston drifts - so add a rod lock for fail-safe holding. Magnet and sensors (CMSG / DMSG / EMSG) are included as standard, no upcharge.
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 MARU50X25S FAQ
Push is 981.3 N and pull 880.8 N at 0.5 MPa; at 0.7 MPa, 1373.8 N push and 1233.1 N pull; theoretical peak 200.1 kgf at 1.0 MPa. Supply pressure 0.15-1.0 MPa (22-145 psi).
Needle screws at both ports throttle exhaust in the last millimetres, so even a 25 mm stroke can stop a heavy clamp gently. Turn them in slightly on first run, then open until bounce disappears at your cycle speed.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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