Airtac MAC Stainless Steel Mini Air Cylinder MAC25X660SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X660SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 660mm 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
- Stroke660 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 MAC25X660SCA
Swing linkages over a 660 mm arc are where the MAC25X660SCA earns its keep: a 25 mm bore on a made-to-order stroke, double acting with variable air cushions that soften both ends of the long travel. Push is 245.3 N and pull 206.1 N at 0.5 MPa; budget roughly 147 N for the actual job and the cylinder will forgive dirty air and rising friction.
Its CA back cover carries an integral pivot, so the body articulates on a pin without added brackets - handy when the driven arm does not travel in a straight line. The stainless barrel with its 20 um hard-chrome plated rod shrugs off washdown, and the standard built-in magnet lets CMSG / DMSG / EMSG switches report position along the whole tube.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X660SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X660SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 660 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 MAC25X660SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×660 | 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 MAC25X660SCA Is Used
Bakery oven door arm
Swings a bakery oven door open through 660 mm; the pivot back cover tracks the door arc while cushions settle it gently on the stops.
Waste-sorting diverter flap
Flips a heavy rubber flap between two chutes in a material recovery facility; 245 N swings the flap while the stainless body shrugs off damp, corrosive air.
Grain sampler probe
Drives a sampler arm across a grain auger at an elevator; 660 mm reach clears the full chute width in one cushioned stroke.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X660SCA the Right Cylinder?
Lighter jobs can step to a 20 mm bore at 157.0 N; heavier ones to a 32 mm bore at 402.2 N, both measured at 0.5 MPa. The 660 mm stroke exceeds the 500 mm catalogue maximum, so it is built as a non-standard made-to-order unit. On a pivoting mount, keep the linkage plane aligned with the rod axis so the 10 mm rod is not side-loaded over the long travel. If the arm must stay raised when air fails, add a pilot check valve - a cushioned cylinder still drifts once pressure is gone.
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 MAC25X660SCA FAQ
Push 245.3 N and pull 206.1 N at 0.5 MPa; at 0.7 MPa push rises to 343.4 N; theoretical maximum 50.0 kgf at 1.0 MPa. It runs 30-800 mm/s on 0.15-1.0 MPa (22-145 psi) air, with a 1/8" PT port and M10x1.25 rod thread.
Yes. The CA cover's pivot pin lets the cylinder articulate with the linkage, and the built-in magnet - standard on every unit - trips CMSG, DMSG or EMSG reed switches anywhere along the stainless barrel, so both ends of the 660 mm travel can be confirmed without external proxies.
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