Airtac MAC Stainless Steel Mini Air Cylinder MAC25X165SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X165SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 165mm 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
- Stroke165 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 MAC25X165SCA
Built around a 25 mm stainless round barrel with a hard-chrome plated rod, the MAC25X165SCA is a double-acting mini cylinder with a variable air cushion at both ends. At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; push rises to 343.4 N at 0.7 MPa. The CA pivot back cover lets the cylinder articulate in clamp and lever mechanisms without bolt-on brackets, and the 165 mm stroke keeps the rod clear of the body on wide-opening fixtures.
For real-world sizing, plan on roughly 147 N of usable work at 0.5 MPa rather than the full 245.3 N rating, which lifts about 12 kg vertically with a 2:1 margin. The riveted stainless tube shrugs off washdown splash and light corrosion that would rust a painted-steel mini, and the standard built-in magnet accepts CMSG, DMSG and EMSG switches for end-of-stroke signaling with no special-order piston.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X165SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X165SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 165 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 MAC25X165SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×165 | 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 MAC25X165SCA Is Used
Swing clamp on a drill fixture
The CA pivot cover takes the clevis pin directly, letting the cylinder tilt as a clamp arm rotates onto a machined housing.
Gate pusher on a washdown conveyor
Stainless barrel and chrome rod hold up to daily hose-down in a bottling line, pushing gates at 245 N with a cushioned stop.
Tray kicker on a packaging carousel
Pivoting kick action indexes trays into lanes; the built-in magnet drives a CMSG switch to confirm extend before fill starts.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X165SCA the Right Cylinder?
Compare with a bore 20 MAC at 157 N push and a bore 32 at 402.2 N push (both at 0.5 MPa): the 25 mm class sits mid-range for medium clamping and lifting duties. At 165 mm of stroke, carry side loads on external guides or add an I or Y rod knuckle so the pivot cover can swing freely. Operating pressure is 0.15-1.0 MPa (22-145 psi) and speed runs 30-800 mm/s.
Note that a plain MAC drifts when air is removed or the valve centres, because there is no mechanical lock in the cushion. Fit a pilot check valve or rod lock if the load must stay put.
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 MAC25X165SCA FAQ
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa push is 343.4 N. Theoretical maximum at 1.0 MPa is about 50 kgf. Air supply is 0.15-1.0 MPa (22-145 psi) and proof pressure is 1.5 MPa (215 psi).
It adds a pivot eye on the rear cover so the cylinder swings in linkages without a separate bracket. The bore 25 port is 1/8", rod thread is M10x1.25, rod diameter is 10 mm, and the barrel is stainless steel rolled onto aluminium-alloy covers.
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