Airtac MARU Stainless Steel Mini Cylinder MARU32X20S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU32X20S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø32mm bore and 20mm 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
- Stroke20 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 MARU32X20S
Short travel, solid push: this MAR couples a 32 mm bore to a 20 mm stroke, double acting with variable cushions and an upward front bracket carried on the cylinder itself. Rated at 402.2 N push and 345.6 N pull at 0.5 MPa, it reaches 82 kgf of theoretical force at 1.0 MPa (145 psi). Sized for real work, count on about 241 N - enough to lift roughly 20 kg vertically with a 2:1 margin.
The riveted stainless tube and hard-chromed 12 mm rod shrug off splashes and mild washdown where painted minis rust. Since the 20 mm travel ends quickly, spend a minute tuning the cushion needles on first run; the magnet is already in the piston, ready for DMSG switch pickup.
Airtac MARU Stainless Steel Mini Cylinder MARU32X20S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU32X20S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 20 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 MARU32X20S
| 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. |
| ×20 | 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 MARU32X20S Is Used
Clamp on a Milling Fixture
20 mm of travel closes on aluminium blanks in a jig, with 402.2 N at 0.5 MPa holding the part without deforming it.
Eject Pin on an Assembly Press
Short, fast strokes kick a finished part off its nest at up to 800 mm/s, cushion needles set for a soft landing.
Stop Pin on a Rotary Index
Acts as a locking stop against a dial-plate notch between index moves, confirmed by an EMSG switch on the barrel.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU32X20S the Right Cylinder?
A 25 mm bore (245.3 N push at 0.5 MPa) covers lighter clamp jaws; a 40 mm bore (628.3 N) takes over when the part pushes back harder. For clamping duties, note the piston will not hold position if supply air fails - pair a rod lock or a hard external stop with the application when that matters. The top-facing bracket and standard magnet let you bolt the body down and fit DMSG or EMSG switches without ordering a special piston.
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 MARU32X20S FAQ
At 0.5 MPa this 32 mm bore pushes 402.2 N and pulls 345.6 N; at 0.7 MPa the figures climb to 563.0 N and 483.8 N. Theoretical peak force is 82 kgf at 1.0 MPa (145 psi). Operating pressure spans 0.15-1.0 MPa (22-145 psi) and speed 30-800 mm/s, with a 1/8-inch port on this bore.
The stainless barrel is rolled directly onto the aluminium covers, giving a slim, sealed round body with a hard-chrome plated 12 mm rod that resists corrosion in damp jig work. Both ends carry variable cushions, so even a 20 mm stroke can be dialled to land gently on the fixture.
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