Airtac MAC Stainless Steel Mini Air Cylinder MAC25X25SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X25SCA 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 MAC25X25SCA
AirTAC builds the MAC25X25SCA as a round-body stainless mini cylinder with a 25 mm bore and 25 mm stroke, rolled and riveted into one sealed unit rather than held by tie-rod hardware. It is double acting - compressed air drives the rod out and pulls it back - with a variable air cushion at each end that soaks up deceleration shock, so faster cycles or heavier masses stop without hammering the covers. At 0.5 MPa it pushes 245.3 N and pulls 206.1 N.
Budget roughly 147 N of actual work at 0.5 MPa - about 60 percent of the push figure - when sizing the mechanism. The CA pivot back cover lets the body swing on a pin, so linkages and pivoting arms mount directly without added brackets. A magnet comes built into the piston as standard, and CMSG, DMSG or EMSG switches snap onto the barrel for end-of-stroke signalling. Running range is 0.15-1.0 MPa (22-145 psi) at 30-800 mm/s.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X25SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X25SCA |
|---|---|
| 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 MAC25X25SCA
| 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 MAC25X25SCA Is Used
Swing locating pin on a stamping die
The CA pivot cover mounts straight on a pin so the arm swings into place, and the 245.3 N push at 0.5 MPa seats the blank against the locator before the press cycles.
Reject gate on a bottling line
Swung across the lane, the gate diverts under-filled bottles to a bin; the dual cushions stop the arm firmly at line speeds without damaging the covers.
Flap tucker on a case packer
Folds top flaps down as cartons pass; 206.1 N of pull at 0.5 MPa is ample for returning the folding blade on the retract stroke.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X25SCA the Right Cylinder?
Against neighbours in the same family: the 20 mm bore pushes 157.0 N and the 32 mm bore pushes 402.2 N at 0.5 MPa, so the 25 mm class sits comfortably in the middle for medium clamping and push duties. Keep in mind the MAC does not lock its position when air is lost - a centred valve lets the piston drift - so add a rod lock or pilot check valve wherever a load must stay put.
Pair the CA pivot cover with SDB pivot brackets or an LB foot, and order G or NPT ports instead of PT if your site runs metric or American fittings. The 10 mm rod carries an M10x1.25 male thread.
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 MAC25X25SCA FAQ
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa it pushes 343.4 N and pulls 288.5 N, with a theoretical maximum of 50.0 kgf at 1.0 MPa. The rod is 10 mm with an M10x1.25 male thread and the bore breathes through 1/8" air ports.
The riveted stainless barrel with a hard-chrome plated rod resists corrosion in damp or washdown areas where painted mini cylinders fail early. Both ends carry a variable air cushion: back the needle screws off at first start-up, then close them gradually until end-of-stroke impact disappears.
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