Airtac MARU Stainless Steel Mini Cylinder MARU25X120S
The AirTAC Airtac MARU Stainless Steel Mini Cylinder MARU25X120S is a genuine double acting + cushion (up mount) standard round-body mini air cylinder with a Ø25mm bore and 120mm 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
- Stroke120 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 MARU25X120S
The MARU25X120S is a 25 mm bore, 120 mm stroke round-body mini cylinder from AirTAC's MA series, double acting with a variable air cushion at each end and its own up/top front bracket rolled into the body. At 0.5 MPa it delivers 245.3 N pushing, and the stainless-steel barrel with a hard-chrome plated rod (20 um) stands up to damp shops and washdown corners where painted minis start to rust.
Matched to a real part weight: 245.3 N is roughly 25 kgf of raw thrust, so halving for a 2:1 margin means this cylinder lifts about 12 kg vertically at 0.5 MPa. The magnet that ships inside the piston as standard lets CMSG, DMSG or EMSG switches clip on for end-of-stroke signalling, and the needle screws on the cushion let you settle the 120 mm travel quietly from the first run.
Airtac MARU Stainless Steel Mini Cylinder MARU25X120S Technical Specifications
| Model | Airtac MARU Stainless Steel Mini Cylinder MARU25X120S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 120 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 MARU25X120S
| 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. |
| ×120 | 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 MARU25X120S Is Used
Bottle rejection kicker
Pushes off-spec bottles sideways off a beverage line conveyor; 245 N at 0.5 MPa is ample for a 0.5 kg PET bottle across 120 mm of travel.
O-ring press-fit station
Seats O-rings into automotive fitting grooves on a manual bench press; the cushioned end stops the sting when the seal bottoms out.
Tray indexing lift
Raises bakery oven tray stops of about 10 kg at each rack position, with the top mount carrying the load direction straight into the frame.
Is the Airtac MARU Stainless Steel Mini Cylinder MARU25X120S the Right Cylinder?
This bore size splits the MA range neatly: the 20 mm bore manages 157.0 N at 0.5 MPa, while stepping up to 32 mm buys 402.2 N - choose MARU25X120S when your load sits between roughly 90 and 145 N of working effort over the 120 mm travel. Keep in mind it drifts if air is lost; there is no mechanical lock in a plain cylinder, so add a rod lock if the position must survive a supply drop.
The integrated top bracket bolts the body straight to the machine frame, and I or Y rod knuckles still thread onto the M10x1.25 male rod thread. The 1/8" ports, 0.15-1.0 MPa (22-145 psi) band and 30-800 mm/s speed window fit standard small-air circuits.
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 MARU25X120S FAQ
At 0.5 MPa the 25 mm bore pushes 245.3 N and pulls 206.1 N; at 0.7 MPa those rise to 343.4 N and 288.5 N. The theoretical ceiling of the bore class is 50 kgf at 1.0 MPa. For sizing, treat about 147 N as the sensible continuous working force - the piston drifts on air loss since no lock is built in.
No. The up/top front bracket is rolled into the cylinder body as part of the MA construction, so a separate flange or foot is not used. The magnet inside is also standard, so CMSG, DMSG and EMSG reed or Hall sensors drop straight on, and the 1/8" ports take common fittings right away.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac MARU Stainless Steel Mini Cylinder MARU25X120S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.