Airtac MAC Stainless Steel Mini Air Cylinder MAC25X300SCM
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X300SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 300mm 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
- Stroke300 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X300SCM
Long reach in a small package: the MAC25X300SCM pairs a 25 mm bore with 300 mm of stroke in AirTAC's round-body mini format. It is double acting - air drives the rod both ways - and a variable air cushion at each end lets you bleed off end-of-stroke shock as loads or speeds climb. At 0.5 MPa the piston pushes 245.3 N and pulls 206.1 N. The barrel is stainless steel rolled tight against aluminium-alloy covers, and the 10 mm carbon-steel rod carries a 20 um hard-chrome skin, so damp washdown air does not chew the body the way it does painted minis. Ports are 1/8" and the rod thread is M10x1.25.
Practical sizing: on real work plan for roughly 147 N of usable push at 0.5 MPa rather than the full rating - about the effort needed to slide a loaded 15 kg carton along a roller lane with margin. Hang weight from the rod and it will lift about 12 kg vertically at a 2:1 margin. The CM round-end back cover takes a pivot pin straight out of the box, and because the magnet is built in as standard, CMSG, DMSG or EMSG switches clip on without a special-order piston. Running speed spans 30-800 mm/s on a 0.15-1.0 MPa (22-145 psi) supply with a 1.5 MPa (215 psi) proof rating.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X300SCM Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X300SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 300 mm |
| Acting type | Double acting + cushion |
| 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 MAC Stainless Steel Mini Air Cylinder MAC25X300SCM
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×300 | Stroke length in mm. |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
| CA / U / CM | Back-cover type: CA pivot, U flat-end, CM round-end. |
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 MAC Stainless Steel Mini Air Cylinder MAC25X300SCM Is Used
Oven tray ejector
Slides hot baking trays off a rack conveyor at the oven exit; the 300 mm reach clears the rack depth and the stainless barrel stands up to humid heat.
Carton diverter on a sorter
Pushes 10-15 kg shipping cartons across a sorter lane; the variable cushion stops the pusher head from slamming at full extension.
Roller-lane stop gate
Drops a pivot-mounted stop into a gravity roller lane in a distribution centre; the CM round-end cover pins straight to the gate lever.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X300SCM the Right Cylinder?
Size against the family: a 20 mm bore of the same series pushes 157 N at 0.5 MPa and the 32 mm bore reaches 402.2 N, so this 25 mm barrel sits in the middle for carton and gate work in the 15 to 40 kg class. A plain double-acting cylinder cannot hold its own against gravity or back pressure - centre the valve and the 300 mm rod will drift - so add a rod lock or pilot check valve whenever the extended position must be kept. The CM round-end back cover takes a pivot pin directly, with FA flange, LB foot or SDB pivot bracket available on the same ordering code. At 300 mm of stroke, guide the load on external rails rather than letting the 10 mm hard-chrome rod absorb side force; air connects through 1/8" ports and the rod thread is M10x1.25.
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 MAC Stainless Steel Mini Air Cylinder MAC25X300SCM FAQ
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa push rises to 343.4 N. The theoretical ceiling is 50 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof rating, and the cylinder runs 30-800 mm/s.
The round barrel is stainless steel, rolled and riveted against aluminium-alloy covers, and the 10 mm rod is hard-chrome plated to about 20 um. That combination tolerates washdown splashes and humid plant air far better than painted-steel minis.
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