Airtac MAC Stainless Steel Mini Air Cylinder MAC25X5SUFA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X5SUFA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 5mm 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
- Stroke5 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 MAC25X5SUFA
A compact 5 mm throw on a 25 mm bore: the MAC25X5SUFA is double acting with a variable air cushion at both ends, pushing 245.3 N and pulling 206.1 N at 0.5 MPa (343.4 N and 288.5 N at 0.7 MPa, 50 kgf theoretical max). With FA flange mounting and a flat-end U back cover, it bolts flat against a fixture plate.
The rolled stainless barrel shrugs off washdown and mild corrosion where painted minis blister, and the hard-chrome plated 10 mm rod resists scoring. Plan on roughly 147 N of real work at 0.5 MPa rather than the full rating - about a 12 kg vertical lift with a 2:1 margin.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X5SUFA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X5SUFA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 5 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 MAC25X5SUFA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×5 | 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 MAC25X5SUFA Is Used
CNC jig clamp
Holds an aluminium bracket against a drilling jig for one short 5 mm clamping move - 245 N at 0.5 MPa is ample for light fixture work.
Bottle lane kicker
Flicks off-label bottles sideways at a sorting station; the tiny stroke gives a fast, low-shock nudge between sensors.
Carton flap check
Presses a sensing plate onto folded carton flaps so the PLC confirms latching before the filling head comes down.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X5SUFA the Right Cylinder?
Compare across the range before committing: a bore 20 MAC delivers 157.0 N push at 0.5 MPa and the 32 mm bore reaches 402.2 N, so this 25 mm model sits mid-table. The 5 mm stroke is standard (this bore takes up to 500 mm). Ports are 1/8" on both covers and the rod thread is M10x1.25.
Note the piston drifts whenever the valve centres or air drops - a rod lock or pilot check valve is the fix where a clamp must stay shut. The magnet is standard, so CMSG / DMSG / EMSG switches bolt straight on for end-of-stroke signals.
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 MAC25X5SUFA FAQ
At 0.5 MPa the cylinder pushes 245.3 N and pulls 206.1 N; at 0.7 MPa those become 343.4 N and 288.5 N, with a theoretical maximum of 50 kgf at 1.0 MPa. Rod diameter is 10 mm with M10x1.25 male thread, ports are 1/8", and speed spans 30-800 mm/s.
No. The magnet is built into every MAC piston as standard, so CMSG, DMSG or EMSG switches mount directly on the stainless barrel. The cylinder also carries a variable air cushion at both ends - back the needle screws off on first run, then close them gradually.
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