Airtac MAC Stainless Steel Mini Air Cylinder MAC25X425SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X425SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 425mm 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
- Stroke425 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 MAC25X425SCA
Need 425 mm of powered travel from a 25 mm bore? The MAC25X425SCA delivers it, double acting with a variable air cushion at both ends and 245.3 N of push at 0.5 MPa. Its stainless round barrel is rolled onto aluminium covers for a sealed, compact body, and the hard-chrome plated rod keeps sliding friction low over the full stroke.
The CA pivot back cover pins straight into moving linkages, and the standard built-in magnet accepts CMSG, DMSG or EMSG switches without any option ordering. Size the job to about 147 N of working push at 0.5 MPa - that leaves margin for friction - and you can expect roughly 12 kg of vertical lifting capability at a 2:1 ratio.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X425SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X425SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 425 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 MAC25X425SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×425 | 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 MAC25X425SCA Is Used
Wire-cut bench carriage return
On a small wire-cutting bench the cylinder returns the cutting carriage over 425 mm at up to 800 mm/s, with the air cushion absorbing the stop at each end.
Case elevator in a carton line
The 425 mm stroke lifts carton cases between conveyor levels; cases near 12 kg are within reach at a 2:1 margin, and an EMSG switch confirms top-of-stroke.
Roaster damper adjuster
A coffee roaster exhaust damper is swept open and closed over 425 mm; the CA pivot cover swings with the damper arm and the stainless barrel handles hot, dry roastery air.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X425SCA the Right Cylinder?
A 20 mm MAC20 gives 157 N at 0.5 MPa for lighter gates and pushers; a 32 mm bore with 402.2 N suits clamping-plus-lift duties. Air loss means motion: with the valve centred and pressure gone, nothing locks the piston, so specify a rod lock or pilot check valve whenever the load must hold position. For a 425 mm stroke, keep side load off the 10 mm rod with external linear guides, and complete the mount with FA flange, LB foot or SDB pivot hardware as the layout needs.
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 MAC25X425SCA FAQ
Design around 245.3 N push and 206.1 N pull at 0.5 MPa, or 343.4 N push and 288.5 N pull at 0.7 MPa, with 50 kgf as the theoretical maximum at 1.0 MPa. Ports are 1/8", the rod is 10 mm with M10x1.25 thread, speeds cover 30-800 mm/s and pressure spans 0.15-1.0 MPa (22-145 psi).
Yes. Bores from 16 to 63 mm in this family take standard strokes up to 500 mm, so 425 mm ships as a catalogue item, not a made-to-order build. Only strokes beyond 500 mm on the 25 mm bore become a special order.
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