
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU63X500S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø63mm bore and 500mm 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.
Top of the MA range in both bore and stroke, the MARU63X500S pairs the full 500 mm standard travel with 1557.9 N of push at 0.5 MPa - 2181.0 N if you feed it 0.7 MPa. Its stainless round tube is riveted into the aluminium covers, a build that shrugs off mild corrosion far better than painted-steel minis in outdoor or washdown locations.
The up-facing front bracket is part of the cylinder itself, so there is no loose flange to buy or align; bolt it down, connect 0.15-1.0 MPa (22-145 psi) filtered air, and run. Count on roughly 935 N of working force at 0.5 MPa, enough to lift about 79 kg vertically with a 2:1 safety factor. The built-in magnet comes fitted, letting CMSG, DMSG or EMSG switches report position with no special piston order.
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU63X500S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø63 mm |
| Stroke | 500 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.
| 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.
| 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. |
| ×500 | 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.
The 500 mm reach moves stamped brackets from die to die, and the variable cushion keeps the stop from marking the part.
1557.9 N at 0.5 MPa drives a heavy sliding door bolt in a damp chiller, where the stainless barrel resists condensation.
The full 500 mm stroke pushes a completed pallet stack clear of the roller station for forklift pickup.
Nothing in the MAR series out-pushes this bore: the 50 mm size below it manages 981.3 N at 0.5 MPa, while this 63 mm model reaches 1557.9 N. If the load must stay put with the air off, remember the piston will drift - a rod lock is the answer, not the cushion. With a half-metre stroke, guide the load externally; the hard-chrome 16 mm rod is built for thrust, not side bending. Speeds of 30-800 mm/s cover slow transfer moves and quick ejects alike. The M14x1.5 rod thread accepts I or Y knuckles for pivoting linkages, and the magnet is there from the factory for CMSG, DMSG or EMSG switches.
Quick checklist
Push is 1557.9 N and pull 1457.4 N at 0.5 MPa; at 0.7 MPa expect 2181.0 N and 2040.3 N. The theoretical ceiling is 317.7 kgf at 1.0 MPa. The stroke is the 500 mm maximum standard for the 63 mm bore, with a 16 mm hard-chrome rod, 1/4 inch ports and an up-facing integrated bracket.
The high-precision stainless tube and hard-chrome plated rod resist the mild corrosion that quickly pits painted-steel minis, which is why the MAR is a common pick in food and outdoor plants. Proof pressure is 1.5 MPa (215 psi) and the working band is 0.15-1.0 MPa (22-145 psi).
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