Airtac MAC Stainless Steel Mini Air Cylinder MAC25X105SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X105SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 105mm 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
- Stroke105 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 MAC25X105SU
A 25 mm bore, 105 mm stroke round-body mini cylinder from AirTAC's MAC line, double acting with a variable air cushion at both ends so you can tune end-of-stroke deceleration instead of accepting hard stops. At 0.5 MPa it pushes with 245.3 N and pulls with 206.1 N; at 0.7 MPa those rise to 343.4 N and 288.5 N, topping out around 50 kgf of theoretical force. Run it anywhere from 0.15-1.0 MPa (22-145 psi) at 30-800 mm/s.
Derate to roughly 147 N of usable work at 0.5 MPa and it will lift about 12 kg vertically with margin to spare. The rolled stainless barrel and hard-chrome plated rod shrug off washdown and damp air far better than painted minis, and the magnet built in as standard lets CMSG, DMSG or EMSG switches clip on without a special-order piston. The U flat-end back cover keeps the rear mounting face flat and fixed.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X105SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X105SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 105 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 MAC25X105SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×105 | 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 MAC25X105SU Is Used
Carton divert on a packing line
At the 147 N usable push level, the MAC25X105SU sweeps a 1-2 kg carton off a running belt into a reject lane over its 105 mm travel, with the cushion absorbing the stop at the end of every throw.
Small dial-table indexing
A 105 mm stroke drives a rack or lever that indexes a 200 mm rotary table one station at a time; the rear U cover plus SDB pivot bracket lets the body swing with the linkage.
Tray advance in a lab analyzer
Stainless barrel and chrome rod cope with reagent splash and repeated wipe-downs while the 245.3 N extend force advances a tray of sample vials into position.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X105SU the Right Cylinder?
For a mid-band push, compare the 20 mm bore at 157.0 N and the 32 mm bore at 402.2 N (both at 0.5 MPa) before settling on the 25 mm. Air ports are 1/8" and the rod thread is M10x1.25. Because both chambers vent when the valve centres, the rod will drift if air is lost - a pilot check valve or rod lock is the fix for loads that must stay put. Fixed frames take the FA flange or LB foot, pivot points the SDB bracket; the 105 mm stroke keeps rod-bending risk low as long as side loads are guided away.
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 MAC25X105SU FAQ
At 0.5 MPa it extends with 245.3 N and retracts with 206.1 N. At 0.7 MPa the numbers climb to 343.4 N push and 288.5 N pull, and the theoretical ceiling is about 50 kgf at 1.0 MPa. The full working band is 0.15-1.0 MPa (22-145 psi) with speeds of 30-800 mm/s.
Yes - every MA-series cylinder leaves the factory with the magnet built in, so CMSG, DMSG and EMSG reed switches mount directly on the barrel for end-of-stroke or mid-stroke signals. No special-order piston or retrofit kit is needed.
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