
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU32X610S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø32mm bore and 610mm stroke, 1/8" 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.
A 610 mm travel distance takes this bore-32 MAR beyond the 500 mm standard catalog ceiling, so it is rolled as a made-to-order stroke. It stays double acting with adjustable air cushions at both caps, and the front cover already carries the U (up/top) bracket, so no loose flange or foot bracket is bought alongside. At 0.5 MPa the piston pushes with 402 N and pulls with 346 N.
Because the barrel is stainless steel and the rod is hard-chrome plated carbon steel at 20 um, this long cylinder tolerates damp, rinsed-down or outdoor locations far better than a painted mini. For real work, budget roughly 241 N (about 60% of the push rating) rather than the full 402 N figure.
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU32X610S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 610 mm |
| Acting type | Double acting + cushion (up mount) |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 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. |
| 32 | Bore size in mm. |
| ×610 | 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 long stroke opens a hopper gate fully in one move, with the 402 N push at 0.5 MPa clearing bridged grain without a lever linkage.
Drops a bottle-inspection camera head into the inspection window and retracts clear of the conveyor, with switch positions from the built-in magnet.
Sweeps oversize cartons off a 600 mm wide transfer belt in one pass, protected at both ends by the variable cushions.
Size down to a bore-25 MAR if your load needs only 245 N of push at 0.5 MPa; step up to bore 40 for 628 N. With a 610 mm unsupported rod, fit an I or Y knuckle and external guiding to keep side load off the bearing - cushion screws do not protect a bent rod. The magnet is built in as standard, so CMSG, DMSG or EMSG switches read end positions straight from the barrel. Note that on air loss the rod simply drifts; order a rod lock if a mid-stroke position must be kept.
Quick checklist
At 0.5 MPa it pushes 402 N and pulls 346 N; at 0.7 MPa those rise to 563 N push and 484 N pull. The theoretical maximum is 82 kgf at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi).
Use the integrated U bracket for mounting, then add a separate guide or an I/Y rod knuckle so side loads never reach the rod bearing on this extended stroke. Keep travel speed between 30 and 800 mm/s and trim the needle cushion screws on first run.
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