Airtac MARU Stainless Steel Mini Cylinder MARU32X90S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU32X90S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø32mm bore and 90mm 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
- Stroke90 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 MARU32X90S
Need a 90 mm push in a tight envelope? MARU32X90S is AirTAC's double-acting mini cylinder built around a top-mount bracket that is part of the cylinder itself - no bolt-on foot, no separate flange. The barrel is stainless steel, the 12 mm rod hard-chrome plated, and a variable air cushion sits at each end to kill stroke-end shock.
Output at 0.5 MPa: 402 N forward, 346 N return, rising to 563 N at 0.7 MPa, with a theoretical ceiling of 82 kgf at 1.0 MPa. Derate for real work and you can count on about 241 N - roughly 20 kg lifted vertically with a 2:1 safety factor. The standard piston magnet accepts CMSG / DMSG / EMSG switches without a special-order piston. Operating window: 0.15-1.0 MPa (22-145 psi).
Airtac MARU Stainless Steel Mini Cylinder MARU32X90S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU32X90S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 90 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 MARU32X90S
| 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. |
| ×90 | 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 MARU32X90S Is Used
Sample vial indexing
Advances a vial tray one station on a lab autosampler; the cushioned 90 mm stroke settles glass vials gently at each stop.
Bottle reject pusher
Knocks off-spec bottles off a filling conveyor; 402 N at 0.5 MPa clears glass containers easily at mid-line speeds.
Clamp on a CNC fixture
Swings a side clamp closed on a small CNC jig; a DMSG switch on the standard magnet confirms clamped position to the controller.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU32X90S the Right Cylinder?
Compared with the 25 mm bore (245 N at 0.5 MPa) this 32 mm unit nearly doubles push; the 40 mm bore reaches 628 N if your job grows. If the load must stay put during a power drop, remember an unbraked MAR piston will drift - specify a rod lock instead. Mounting is via the factory-fitted upper bracket; I and Y knuckles fit the M10x1.25 rod thread, and DMSG or EMSG switches snap onto the barrel for signaling. At 90 mm stroke, guide any off-axis load externally.
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 MARU32X90S FAQ
Push 402 N and pull 346 N at 0.5 MPa; push 563 N and pull 484 N at 0.7 MPa; 82 kgf theoretical maximum at 1.0 MPa. Bore is 32 mm, rod 12 mm with M10x1.25 male thread, air port 1/8".
Needle screws at both ends bleed the trapped air that decelerates the piston, so you tune the 90 mm stroke's landing from outside the cylinder. Start slightly open, then close in small turns until end-of-stroke knock disappears - useful near the top of the 30-800 mm/s range.
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