Airtac MAC Stainless Steel Mini Air Cylinder MAC25X65SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X65SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 65mm 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
- Stroke65 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 MAC25X65SU
Need about 50 kgf of clamping muscle in a slim round body? The MAC25X65SU develops 245.3 N of push at 0.5 MPa and 343.4 N at 0.7 MPa, moving double acting so air powers both directions of the 65 mm stroke.
Its U flat-end back cover presents a clean face for fixed bracket mounting, while the stainless tube and hard-chrome plated rod stand up to washdown splashes that pit painted cylinders. The magnet comes fitted on every piston as standard, ready for CMSG, DMSG or EMSG switches. For sizing, budget around 147 N of genuine working force at 0.5 MPa rather than the full 245 N rating - enough to stake or swage small terminals reliably.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X65SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X65SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 65 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 MAC25X65SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×65 | 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 MAC25X65SU Is Used
Terminal staking in wiring boards
Around 147 N of working force at 0.5 MPa stakes spade terminals into PCB connectors on control-panel assembly benches.
Lid press-down on filling heads
The 65 mm stroke seats caps on cosmetic bottles, cushioning the stop so glass containers do not crack.
Ejector on small plastic molds
245 N push clears short runners and parts from bench-top injection mold fixtures each cycle.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X65SU the Right Cylinder?
A MAC20 cylinder manages 157 N at 0.5 MPa for lighter jobs; move to MAC32 with 402 N when stakes or presses get tougher. The 65 mm stroke is within the 500 mm standard range for this bore, and the 10 mm rod keeps side loads low on guided tooling. If the load must stay extended after a valve centres, remember a plain MAC drifts - specify a rod lock or pilot check valve separately. Foot (LB) and flange (FA) brackets complement the U end cover.
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 MAC25X65SU FAQ
Double acting with variable cushion at both ends: 245.3 N push and 206.1 N pull at 0.5 MPa, 343.4 N push and 288.5 N pull at 0.7 MPa, up to 50.0 kgf theoretical at 1.0 MPa. Pressure 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), temperature -20 to +70 C, speed 30-800 mm/s.
Yes - the piston magnet is standard on every MAC25X65SU, so CMSG, DMSG and EMSG switches sense end positions right out of the box. Air connection is 1/8" for this 25 mm bore, and the rod thread is M10x1.25.
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1-Year Warranty
Covers non-human-caused product damage.
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