Airtac MARU Stainless Steel Mini Cylinder MARU32X85S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU32X85S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø32mm bore and 85mm 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.
- BoreØ32 mm
- Stroke85 mm
- Port size1/8"
- Acting typeDouble acting + cushion (up mount)
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MARU Stainless Steel Mini Cylinder MARU32X85S
A riveted stainless round body with a hard-chromed 12 mm rod, the MARU32X85S is AirTAC's up-mount mini cylinder: double acting, cushioned at both ends, with the top bracket already rolled into the cover so no separate foot or flange is needed. At 0.5 MPa it pushes 402 N and pulls 346 N; raise supply to 0.7 MPa and forward force climbs to 563 N.
In practical terms the 32 mm bore lets you plan on roughly 241 N of usable work at 0.5 MPa, or about 20 kg of vertical lift with a 2:1 margin. The magnet is built in as standard, so CMSG / DMSG / EMSG switches pair with it right out of the box, and the variable cushion needles let you soften the 85 mm stroke ends on first run. Air supply: 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s.
Airtac MARU Stainless Steel Mini Cylinder MARU32X85S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU32X85S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 85 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.
Theoretical Output Force (Ø32mm)
| 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.
Model Code: Airtac MARU Stainless Steel Mini Cylinder MARU32X85S
| 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. |
| ×85 | 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 MARU32X85S Is Used
Benchtop press station
Pushes small aluminum fittings into housings at assembly benches; 402 N at 0.5 MPa covers light press-fit work with a cushioned settle.
Carton flap tuck
Folds and holds carton flaps on a packing line, where the stainless barrel shrugs off damp, sugary film that swells painted minis.
Candy-line gate diverter
The double-acting 85 mm stroke flips a chute between two lanes, and the built-in magnet feeds a CMSG switch for lane confirmation.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU32X85S the Right Cylinder?
Need less force? The 25 mm bore MAR delivers 245 N at 0.5 MPa; step up to the 40 mm bore for 628 N. Like every MA-family cylinder, this one drifts if air is lost - it holds no position, so add a rod lock where that matters. The integrated top bracket bolts straight to a machine plate, and I or Y rod knuckles still thread onto the M10x1.25 rod; the factory magnet feeds CMSG / DMSG / EMSG switches without extra ordering. At 85 mm stroke keep side loads light to protect the 12 mm 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 MARU32X85S FAQ
At 0.5 MPa it pushes 402 N and pulls 346 N; at 0.7 MPa those figures rise to 563 N and 484 N. Theoretical maximum output at 1.0 MPa is 82 kgf. The 32 mm bore takes a 1/8" port and an M10x1.25 rod thread.
The rolled stainless tube with a hard-chrome plated rod tolerates humid, washed-down or outdoor air far better than coated minis; covers are aluminium alloy and the two-way piston seal retains grease, so the 30-800 mm/s stroke stays smooth with less re-lubrication.
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