Airtac MAC Stainless Steel Mini Air Cylinder MAC25X50SCAFA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X50SCAFA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 50mm 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
- Stroke50 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 MAC25X50SCAFA
Flange it, bolt it, forget it: the MAC25X50SCAFA adds an FA mounting flange to the 25 mm double-acting mini cylinder, so the body is held square to the machine face instead of hanging on its ports. The riveted stainless-steel barrel and hard-chrome plated rod handle washdown and humid air that would rust painted minis, and a variable air cushion at each end of the 50 mm stroke absorbs end-of-travel shock. At 0.5 MPa the bore delivers 245.3 N push and 206.1 N pull; at 0.7 MPa push reaches 343.4 N.
Budget about 147 N for actual work at 0.5 MPa, and note that 245.3 N corresponds to roughly 25 kgf - with a 2:1 margin that is a comfortable 12 kg vertical lift. The built-in magnet is standard equipment, so CMSG, DMSG or EMSG switches mount directly for position feedback.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X50SCAFA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X50SCAFA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 50 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 MAC25X50SCAFA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×50 | 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 MAC25X50SCAFA Is Used
Small ball valve actuator
Drives the lever linkage on a process ball valve; the FA flange holds the cylinder square so thrust passes cleanly into the handle arm.
Benchtop sample press
Presses sample cups or lids in a lab fixture; about 147 N of working force at 0.5 MPa is gentle enough for plastics and thin parts.
Dial-table part stopper
Stops components at an assembly dial station; the flange keeps alignment tight and a CMSG switch on the standard magnet confirms the stop.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X50SCAFA the Right Cylinder?
For fixed linear thrust on a short stroke, this flange mount beats port-mounted bodies that stress their own fittings. Bores nearby: a 20 mm bore offers 157 N at 0.5 MPa and a 32 mm bore 402.2 N, so this 25 mm unit is the middle choice for compact presses and clamps. The CA pivot eyes remain on the back cover for future re-mounting, and the standard magnet accepts CMSG, DMSG or EMSG switches. Should the load need to stay put when air is lost, a pilot check valve or rod lock is required - the cylinder itself will let the rod coast.
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 MAC25X50SCAFA FAQ
Push 245.3 N and pull 206.1 N at 0.5 MPa; push 343.4 N at 0.7 MPa; 50 kgf theoretical max at 1.0 MPa. Working pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-800 mm/s, with 1/8" ports and an M10x1.25 male rod thread.
The FA flange bolts the cylinder body to the machine so reaction force passes through the flange, not through the 1/8" ports or a make-shift bracket. The CA pivot eyes stay on the back cover, so the same body can be re-mounted on a pivot later without swapping hardware.
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