Airtac MARU Stainless Steel Mini Cylinder MARU32X185S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU32X185S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø32mm bore and 185mm 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
- Stroke185 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 MARU32X185S
Every MARU32X185S leaves the factory with its top-mount bracket already rolled onto the front cover and its piston already magnetized - a 185 mm-stroke, double-acting mini cylinder that bolts on and signals on from day one. The 32 mm bore swings 402 N of push and 346 N of pull at 0.5 MPa, climbing to 563 N at 0.7 MPa.
Because the round stainless barrel carries no paint, coolant mist, coastal salt and daily washdown leave nothing to attack, and the hard-chrome 12 mm rod resists the scoring that ruins plain steel pins. Budget near 241 N of working force at 0.5 MPa - the 402 N rating times a typical 60 percent sizing factor - and remember the dual needle screws at the stroke ends tune the cushion for speeds from 30-800 mm/s.
Airtac MARU Stainless Steel Mini Cylinder MARU32X185S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU32X185S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 185 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 MARU32X185S
| 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. |
| ×185 | 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 MARU32X185S Is Used
Forklift charging-bay locators
Top-mounted MARs drop locating pins into floor sockets in a charging bay; 402 N at 0.5 MPa seats the pin even against grit.
Bottle-capper head lift
The 185 mm stroke lifts the capper head clear of the bottle lane between batches, with dual cushions sparing the aluminium covers from impact.
Sawdust gate on a mitre-saw station
The chromed rod wipes clean through sawdust, and the unpainted stainless body outlasts coated minis in woodworking shops where abrasion and damp air combine.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU32X185S the Right Cylinder?
Size around this bore honestly: 25 mm gives 245 N at 0.5 MPa if the load is light, 40 mm delivers 628 N if it is not. The MAR parks nowhere on air loss - cut the supply and the piston slides with the load - so a rod lock is the answer for fail-safe positioning. The built-in magnet pairs with CMSG / DMSG / EMSG switches without ordering options, and the integrated top bracket replaces any separate flange or foot. At 185 mm of stroke, keep side loads off the 12 mm rod with external guides or a self-aligning coupling.
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 MARU32X185S FAQ
At 0.5 MPa it pushes 402 N and pulls 346 N; at 0.7 MPa, 563 N push and 484 N pull; at the 1.0 MPa (145 psi) ceiling the 32 mm bore reaches a theoretical 82 kgf. Operating range is 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), stroke speed 30-800 mm/s. As a working figure, expect about 241 N of sustained push at 0.5 MPa.
For splash zones and humid air, yes: the barrel is stainless steel, the aluminium covers are rolled and sealed against it, and the rod carries a 20 um hard-chrome plate over carbon steel. Before jet-washing with aggressive chemicals, confirm compatibility from the datasheet.
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