Airtac MAC Stainless Steel Mini Air Cylinder MAC25X200SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X200SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 200mm 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
- Stroke200 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 MAC25X200SU
Two hundred millimetres of stroke on a 25 mm bore gives this MAC real reach: 245.3 N of push at 0.5 MPa and 206.1 N on the pull side, from a round stainless barrel riveted to aluminium covers with a 20 um hard-chrome rod. Both ends carry a variable air cushion, so a fast-moving carton can be slowed into the covers instead of slamming them, across a speed band of 30-800 mm/s.
Because the piston magnet is built in as standard, CMSG, DMSG or EMSG switches clip straight on for end-of-stroke signalling. As a working figure, the 245.3 N extension force at 0.5 MPa supports roughly 147 N of continuous work once you plan at 60 percent - or about 12 kg of vertical lift with a 2:1 margin. Damp plants and mild washdown suit the stainless barrel, where painted minis would blister.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X200SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X200SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 200 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 MAC25X200SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×200 | 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 MAC25X200SU Is Used
Carton diverter on a roller conveyor
At 245 N push, the 200 mm stroke sweeps a 5 kg parcel off the line before the next carton arrives, with the cushion taking out the end-of-travel knock.
Case pusher on a sleeve-wrapping machine
The full 200 mm travel clears a collapsed case from the infeed; DMSG switches confirm both positions to the PLC without extra brackets.
Slide gate on a fertiliser hopper
The corrosion-resistant stainless barrel copes with damp granules outdoors; 245 N at 0.5 MPa shears the granule column open at 30-800 mm/s.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X200SU the Right Cylinder?
Size down to the 20 mm bore (157 N push at 0.5 MPa) only if the load is light and short; step up to the 32 mm bore (402.2 N) when friction or side forces climb. Note the piston drifts when air is removed - this body parks no load on its own - so add a pilot check valve or rod lock if the position must stay put. The U flat-end back cover bolts straight to a machine plate; add FA flange, LB foot or SDB pivot hardware where the layout needs them. Over 200 mm of stroke keep side load off the 10 mm rod to a minimum and align tooling with the 1/8" port supply. Air quality: filtered to 40 um at 0.15-1.0 MPa (22-145 psi).
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 MAC25X200SU FAQ
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa the figures rise to 343.4 N push and 288.5 N pull. The theoretical ceiling at 1.0 MPa is 50 kgf. Air supply is filtered to 40 um, 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-800 mm/s.
It provides a fixed, flat mounting face that bolts to the frame without an extra bracket, keeping the 10 mm rod aligned over the long travel. Back both cushion needle screws off before first run, then close them gradually until the end-of-stroke shock disappears.
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