Airtac MARU Stainless Steel Mini Cylinder MARU32X275S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU32X275S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø32mm bore and 275mm 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
- Stroke275 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 MARU32X275S
The MARU32X275S covers a 275 mm span from a 32 mm bore, built as AirTAC's rolled, round-barrel mini: stainless tube, hard-chrome plated 12 mm rod, aluminium covers crimped on for a sealed joint. Double acting with a variable cushion at each end, it carries its own top mounting bracket on the front cover, so the machine plate bolts on with no purchased flange.
Force at this bore: 402.2 N push and 345.6 N pull at 0.5 MPa (about 72 psi), climbing to 563.0 N and 483.8 N at 0.7 MPa (about 102 psi), with a theoretical ceiling of 82 kgf at 1.0 MPa. For real work budget near 241 N at 0.5 MPa - enough to lift roughly 20 kg vertically once a 2:1 margin is applied. The magnet comes fitted as standard, so CMSG, DMSG or EMSG switches drop straight on, and the rated supply is 0.15-1.0 MPa (22-145 psi).
Airtac MARU Stainless Steel Mini Cylinder MARU32X275S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU32X275S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 275 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 MARU32X275S
| 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. |
| ×275 | 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 MARU32X275S Is Used
Carton kicker on sorter chutes
Flicks misaligned cartons off a 275 mm lane; 402 N push at 0.5 MPa clears a 30 kg stream with margin to spare.
Battery-hatch slide on warehouse AGVs
Slides a 275 mm service hatch on automated guided vehicles; the stainless barrel tolerates the humidity of charging bays.
Label-roll lift on printing heads
Raises an 18 kg label roll about 275 mm, still inside the 20 kg vertical-lift limit after the 2:1 margin.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU32X275S the Right Cylinder?
Compare bores on push at 0.5 MPa: 25 mm gives 245.3 N, this 32 mm gives 402.2 N, and 40 mm reaches 628.3 N. Choose the 40 mm if the load approaches the practical 241 N working figure. Remember a plain MAR will drift when air pressure drops - the cushion softens impact, it is not a brake - so specify a rod lock for suspended loads. Across 275 mm of travel, keep the 12 mm rod free of side loads and support the payload on its own guide; the integral top bracket handles the mounting, and the standard magnet plus a CMSG or EMSG switch closes the feedback loop.
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 MARU32X275S FAQ
Push is 402.2 N and pull 345.6 N at 0.5 MPa (about 72 psi); at 0.7 MPa (about 102 psi) expect 563.0 N push and 483.8 N pull, with 82 kgf theoretical max at 1.0 MPa. Pressure range 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s, proof pressure 1.5 MPa (215 psi).
The MAR cushions at both ends and the restraint is variable: turn the needle screws at each cover while cycling slowly until end-of-stroke knock disappears, then raise speed toward the 800 mm/s ceiling. Proper cushioning lets the 275 mm stroke carry heavier loads without hammering the aluminium covers.
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