Airtac MARU Stainless Steel Mini Cylinder MARU50X30S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU50X30S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø50mm bore and 30mm 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
- Stroke30 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 MARU50X30S
A 50 mm MAR cylinder with the up-mount bracket built into its front cover, the MARU50X30S is double acting with a variable air cushion at each end. On 0.5 MPa supply it delivers 981 N of push and 881 N of pull, running anywhere from 0.15-1.0 MPa (22-145 psi) and 30-800 mm/s.
The stainless barrel is rolled tight against the aluminium covers, and the carbon-steel rod wears 20 um of hard chrome, so splash, humidity and periodic washdown do not eat this body the way they ruin painted minis. Needle screws at both covers dial the cushion in on first run, letting you cycle faster or carry heavier loads without hammering the end faces. In lift terms 981 N is roughly 100 kg theoretical; keep a 2:1 margin and this cylinder raises about 50 kg vertically. The piston magnet is factory-fitted, so CMSG, DMSG or EMSG switches clip on with no special order.
Airtac MARU Stainless Steel Mini Cylinder MARU50X30S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU50X30S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø50 mm |
| Stroke | 30 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 MARU50X30S
| 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. |
| ×30 | 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 MARU50X30S Is Used
CNC fixture clamp
Swing a clamp arm onto machined housings in a 30 mm sweep, holding with up to 589 N of usable force at 0.5 MPa.
Roller conveyor stopper
Pop a stopper blade into roller-conveyor flow to gate cartons at a packing station, cycling fast thanks to the 30-800 mm/s speed window.
Check-weigher reject pusher
Shove underweight packs off the belt within 30 mm of travel, the twin cushions absorbing the impact when the ram seats.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU50X30S the Right Cylinder?
Thirty millimetres is a short, punchy stroke; if 981 N at 0.5 MPa is more than the job needs, the 40 mm bore MARU drops to 628 N, while the 63 mm bore lifts the push figure to 1558 N. Like every plain MAR, the piston drifts if air pressure is lost, so add a rod lock where the load must stay put. The top bracket bolts the cylinder straight to the machine frame - no separate foot or flange to order - 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 MARU50X30S FAQ
At 0.5 MPa it pushes with 981 N and pulls with 881 N; at 0.7 MPa the figures rise to 1374 N push and 1233 N pull. The theoretical ceiling is about 200 kgf at 1.0 MPa. Air ports are 1/4" and the rod thread is M14x1.5, both fixed by the 50 mm bore.
No. Every MAR cylinder leaves the factory with the piston magnet fitted as standard, so CMSG, DMSG or EMSG switches mount directly on the stainless barrel for end-of-stroke signalling.
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