Airtac MARU Stainless Steel Mini Cylinder MARU25X170S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU25X170S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø25mm bore and 170mm 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.
- BoreØ25 mm
- Stroke170 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 MARU25X170S
Need a slim pusher that reaches 170 mm without a bulky body? The MARU25X170S does it with a 25 mm stainless tube: 245 N out, 206 N back at 0.5 MPa, scaling to 343 N at 0.7 MPa. Double acting throughout, with variable cushions at both ends and a top bracket built onto the front cover.
Grease-retaining two-way piston seals keep lubrication inside the barrel, so the rod runs smooth over the longer travel. Derate for real life: about 147 N of working push, or near 12 kg of vertical lift at a 2:1 margin. The piston magnet is factory-fitted, letting CMSG / DMSG / EMSG switches report stroke position with no options to order.
Airtac MARU Stainless Steel Mini Cylinder MARU25X170S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU25X170S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 170 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 (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 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 MARU25X170S
| MAR | Standard round-body mini cylinder (double-acting, integrated mount, variable cushion). |
|---|---|
| U | Front-cover mount: U = up (top) mounting. |
| 25 | Bore size in mm. |
| ×170 | 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 MARU25X170S Is Used
Multi-tier lift for vials
Lift a pharma vial tray one shelf (170 mm) in a filling cell; 245 N at 0.5 MPa moves the lightweight tray with room to spare.
Roller-guide extend on saws
Extend the outboard roller guide on a cut-off saw to support long stock; the cushion catches the guide at full reach.
Nesting pin on CNC loaders
Deploy a locating pin into a CNC fixture from above; the stainless body tolerates coolant spray around the machining zone.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU25X170S the Right Cylinder?
Within the MAR family this bore sits between the 20 mm (157 N at 0.5 MPa) and 32 mm (402 N) sizes; all share 1/8" ports up to 40 mm bore. A 170 mm stroke on a 10 mm rod is where side loads start to matter - guide the payload separately. Expect drift if air pressure drops; use a rod lock for guaranteed holding. The magnet is standard, so switch choice is simply CMSG, DMSG or EMSG.
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 MARU25X170S FAQ
At 0.5 MPa the bore delivers 245.3 N push and 206.1 N pull; at 0.7 MPa it reaches 343.4 N push and 288.5 N pull; theoretical maximum is 50.0 kgf at 1.0 MPa. Operating window is 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s, fluid air filtered to 40 um.
No - like any plain double-acting cylinder the piston drifts when pressure drops, and the cushions only soften the stroke ends. Add an AirTAC rod lock where a load must stay parked. For signalling rather than locking, the standard piston magnet works with CMSG, DMSG and EMSG sensors.
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