Airtac MAC Stainless Steel Mini Air Cylinder MAC25X240SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X240SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 240mm 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
- Stroke240 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 MAC25X240SCA
Swing-link and pivot mounts suit the MAC25X240SCA: its CA back cover carries an integral pivot boss, so the 25 mm piston can follow a rotating lever or hinged gate through the whole 240 mm stroke. In double-acting format it delivers 245.3 N forward and 206.1 N back at 0.5 MPa, climbing to 343.4 N and 288.5 N at 0.7 MPa, with a variable air cushion easing both ends of travel.
The riveted stainless barrel and 20 um hard-chrome rod stand up to humid or washed-down environments where painted mini cylinders corrode. Speed spans 30-800 mm/s and every cylinder ships with its magnet already fitted for CMSG, DMSG and EMSG switches. Half the 245 N rating gives a sensible sizing margin: expect around 25 kgf of column force, enough to lift roughly 12 kg vertically with headroom.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X240SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X240SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 240 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 MAC25X240SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×240 | 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 MAC25X240SCA Is Used
Chute diverter flap
Swings a gravity chute flap between two filling heads; the CA pivot follows the arc of the flap without a separate clevis bracket.
Carton divert gate
Opens and closes a divert gate on a sortation conveyor, pushing through 240 mm of travel with the magnet signalling gate-open via a DMSG switch.
AGV battery-latch link
Actuates the latch link on an AGV battery dock, where the stainless body copes with charging-bay humidity and occasional washdown.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X240SCA the Right Cylinder?
Compare before you commit: the 20 mm bore makes 157 N at 0.5 MPa and the 32 mm bore makes 402.2 N, so this 25 mm size sits squarely in the mid range for link-driven mechanisms. A pivoted double-acting cylinder does not hold position when supply air drops or the valve centres - the rod free-moves - so fit a pilot check valve where a gate must stay parked. For fixed installations, the U flat-end cover version or an LB foot mount may suit better; I and Y rod knuckles pair naturally with the CA pivot.
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 MAC25X240SCA FAQ
At 0.5 MPa the 25 mm bore produces 245.3 N push and 206.1 N pull; at 0.7 MPa, 343.4 N push and 288.5 N pull; theoretical maximum 50 kgf at 1.0 MPa. The port is 1/8", rod 10 mm (M10x1.25 male thread), working pressure 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi).
Back both cushion needle screws fully open before start-up, then close them gradually until the end-of-stroke bang disappears at your working speed. The cushion is variable, not fixed, so you can tune it anywhere across the 30-800 mm/s speed band and re-adjust when speed or load changes.
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