Airtac MAC Stainless Steel Mini Air Cylinder MAC25X170SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X170SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 170mm 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
- Stroke170 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 MAC25X170SCA
At 170 mm of travel the MAC25X170SCA reaches deep into guarded fixtures while its 25 mm bore generates 245.3 N of push at 0.5 MPa (206.1 N on the return). This is a double-acting cylinder with a variable air cushion at each end, so you can taper the last millimetres of a fast stroke. Push rises to 343.4 N at 0.7 MPa, and the CA rear cover gives you a pivot eye for swing links and bell cranks.
Count this cylinder as a mover, not a holder: when air drops or the valve centres, the piston drifts, because the cushion absorbs shock but never locks the load. Size on about 147 N of practical force at 0.5 MPa, which lifts roughly 12.5 kg vertically with a 2:1 margin. The stainless barrel and hard-chrome plated rod take coolant mist and outdoor damp that would pit a painted body, and the standard magnet works with CMSG, DMSG and EMSG switches out of the box.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X170SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X170SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 170 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 MAC25X170SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×170 | 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 MAC25X170SCA Is Used
Pallet-tab deflectors on a sorter
170 mm of push travel flips dividers across a pallet lane; the pivot rear cover takes the bell-crank pin in the deflector linkage.
Sample tray lift in a lab autoloader
The 25 mm bore raises trays of about 12.5 kg with a 2:1 margin, while the cushion lets the lift decelerate before top dead centre.
Hopper gate on a powder blend station
Stainless barrel survives flour-dust washdown regimes; DMSG switches confirm the gate is fully open before dosing starts.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X170SCA the Right Cylinder?
Step down to a bore 20 MAC for 157 N of push or up to a bore 32 for 402.2 N at 0.5 MPa; the 25 mm class fits between those points for medium clamping and lifting. With 170 mm of stroke on a 10 mm rod, keep side loads on external linear guides or add an I or Y rod knuckle to decouple misalignment. Ports are 1/8" on this bore; FA flange, LB foot and SDB pivot brackets adapt the mounting.
Operating window is 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s, fluid air filtered to 40 um.
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 MAC25X170SCA FAQ
Push 245.3 N and pull 206.1 N at 0.5 MPa; push 343.4 N at 0.7 MPa; theoretical peak about 50 kgf at 1.0 MPa. Supply 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-800 mm/s, air filtered to 40 um.
No. The MAC is double acting with no spring or lock, so the rod floats when pressure drops. Add a pilot check valve or a rod-lock cylinder for suspended loads. The variable cushion only softens end-of-stroke impact.
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