Airtac MAC Stainless Steel Mini Air Cylinder MAC25X25SCM
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X25SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 25mm 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
- Stroke25 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 MAC25X25SCM
Compact enough to tuck into tight frames, the MAC25X25SCM pairs a 25 mm bore with a 25 mm stroke inside a riveted round body. The stainless barrel and hard-chrome plated rod (20 um) shrug off moisture and mild washdown that quickly ruin painted mini cylinders. Double acting by design, air pushes the rod out and retracts it, and needle-adjustable cushions at both ends let you tune deceleration across the full 30-800 mm/s speed band.
At 0.5 MPa expect 245.3 N forward and 206.1 N back. Halve the push for a 2:1 margin and the rod lifts about 12 kg vertically - a quick check against the real weight of your part. The CM round-end back cover takes a fixed or clevis-style mount cleanly, while FA flanges, LB feet and SDB pivot brackets bolt on where the machine needs more. Every unit carries its piston magnet as standard, so CMSG, DMSG and EMSG reed sensors simply clip on.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X25SCM Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X25SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 25 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 MAC25X25SCM
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×25 | 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 MAC25X25SCM Is Used
Slide indexer on an assembly bench
Indexes small housings to the next station; 245.3 N at 0.5 MPa keeps the motion crisp even with guide friction loaded on.
Die ejector in a small press
Knocks finished blanks free of the pocket after each hit; the roughly 12 kg vertical-lift margin covers most small steel parts with headroom.
Sampling gate in a test rig
Opens a flow path on demand; the stainless barrel and chrome rod shrug off splash and humidity that pit plain-aluminium minis.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X25SCM the Right Cylinder?
If 245.3 N at 0.5 MPa overshoots your need, step down to the 20 mm bore (157.0 N); if the load grows, the 32 mm bore delivers 402.2 N from the same family. Because the MAC is double acting without any lock, a centred valve or dropped supply leaves the piston free to wander - fit a rod lock or pilot check valve for circuits that must hold position.
The round-end CM cover plus I or Y rod knuckles suit linkage drives; ask for G or NPT threads where PT is not the plant standard.
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 MAC25X25SCM FAQ
At 0.5 MPa: 245.3 N pushing, 206.1 N pulling. At 0.7 MPa: 343.4 N pushing, 288.5 N pulling. The theoretical ceiling is 50.0 kgf at 1.0 MPa. Ports are 1/8" on this 25 mm bore and the rod is 10 mm with an M10x1.25 thread.
CM is a round-end back cover that suits clevis or fixed pin arrangements without adapter plates. The piston magnet is built in as standard - CMSG, DMSG and EMSG switches attach straight to the barrel. Operating window is 0.15-1.0 MPa (22-145 psi) with proof pressure 1.5 MPa (215 psi).
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