Airtac MARU Stainless Steel Mini Cylinder MARU50X50S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU50X50S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø50mm bore and 50mm 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
- Stroke50 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 MARU50X50S
Short travel with real muscle: the MARU50X50S compresses 981.3 N of push and 880.8 N of pull (0.5 MPa) into a 50 mm stroke, reaching 1373.8 N of push at 0.7 MPa. Double-acting throughout, it trims the last millimetres of each stroke with a variable air cushion at both heads.
Construction is classic MA-series mini: a stainless round barrel with aluminium covers rolled on, driving a carbon-steel rod plated to 20 um of hard chrome - a build that tolerates splash, coolant mist and outdoor air where painted cylinders corrode. The up bracket is part of the cylinder itself, not an accessory. For continuous duty, size the work near 589 N, about six tenths of the 0.5 MPa push rating, and the unit will run cool and consistent.
Airtac MARU Stainless Steel Mini Cylinder MARU50X50S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU50X50S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø50 mm |
| Stroke | 50 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 MARU50X50S
| 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. |
| ×50 | 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 MARU50X50S Is Used
Welding-fixture clamp on a subframe jig
Clamps bracket arms into a car-subframe welding jig; the 50 mm stroke clears part loading and the cushion avoids a jar on clamp-down.
Sheet-metal hold-down on a router
Pins aluminium sheet flat during deburring on a router table, using about 589 N of clamp force at 0.5 MPa.
Snap-fit press anvil
Presses a sensor cap into a housing on a small assembly bench, the 50 mm travel matching the insertion depth exactly.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU50X50S the Right Cylinder?
Under 628.3 N at 0.5 MPa, a 40 mm bore does the job in less space; past 1000 N, move to the 63 mm bore and its 1557.9 N. The 50 mm stroke suits clamping, pressing and ejection where the load is externally guided.
If the air supply is cut, the rod follows the load - a rod lock is the answer when a position must survive a pressure loss. Magnets are fitted as standard, so CMSG, DMSG or EMSG switches clip straight on.
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 MARU50X50S FAQ
Push 981.3 N and pull 880.8 N at 0.5 MPa; push 1373.8 N and pull 1233.1 N at 0.7 MPa; 200.1 kgf theoretical maximum at 1.0 MPa. Working pressure spans 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof pressure.
Both ends carry a variable air cushion - adjust the needle screws on first run until end-of-stroke noise and rebound disappear, then run anywhere in the 30-800 mm/s speed range. On a 50 mm stroke the cushion trim matters most on fast clamping cycles.
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