
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU32X200S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø32mm bore and 200mm 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.
The MARU32X200S pairs a 32 mm bore with a 200 mm stroke in a round stainless-steel barrel riveted to aluminium covers - a rolling-packed mini cylinder that shrugs off mild corrosion and washdown in damp food or outdoor spots better than painted minis. It is double acting with a variable air cushion at both ends, and the U in the code means the front bracket for top mounting is already on the body, so no separate flange or foot is ordered.
At 0.5 MPa it pushes with 402 N and pulls with 346 N; at 0.7 MPa push reaches 563 N. Plan on roughly 241 N of real work at 0.5 MPa rather than the full rating - that margin keeps a 200 mm stroke smooth across the 30-800 mm/s speed range. The magnet is built in as standard, so CMSG / DMSG / EMSG switches clip on for end-of-stroke signals.
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU32X200S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 200 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. |
| ×200 | 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.
Lifts a bottle-handling head of about 20 kg vertically at 0.5 MPa with a 2:1 margin, the 200 mm stroke clearing a 190 mm index step.
The 402 N push at 0.5 MPa holds veneer sheets flat while glue cures; the cushion needles tune the ram to land without bounce.
A CMSG switch on the stainless barrel confirms full extension before the PLC releases the next carton onto the diverter.
A bore 25 MAR cylinder manages only 245 N at 0.5 MPa and a bore 40 unit jumps to 628 N, so the 32 mm barrel suits mid-range jobs pushing around 400 N. If the machine must hold position through a power cut, add a rod lock - this cylinder drifts when air is lost. The integrated top bracket bolts the 200 mm barrel flat against a machine plate; keep side load low on a body this long or guide the load on external rails. CMSG or EMSG switches drop straight onto the barrel since the magnet ships fitted.
Quick checklist
At 0.5 MPa it pushes 402 N and pulls 346 N; at 0.7 MPa the figures are 563 N push and 484 N pull; the theoretical maximum at 1.0 MPa is 82 kgf. Ports are 1/8 inch, the rod is 12 mm with an M10x1.25 male thread, and strokes to 500 mm are standard for this bore.
Turn the cushion needle screws in until end-of-stroke impact disappears, connect air to the 1/8 inch ports at 0.15-1.0 MPa (22-145 psi), and bolt down through the integrated top bracket. The piston drifts if air is lost, so add a rod lock where holding matters.
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