Airtac MAC Stainless Steel Mini Air Cylinder MAC25X260SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X260SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 260mm 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
- Stroke260 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 MAC25X260SU
Fixed mounting is the point of this version: a flat-end U back cover bolts square to a bracket while the riveted stainless round barrel and hard-chrome rod do the work underneath. Double-acting air yields 245.3 N forward and 206.1 N return at 0.5 MPa, cushioned at both ends, across an operating band of 0.15-1.0 MPa (22-145 psi) and 30-800 mm/s.
Grease-retaining two-way piston seals keep lubrication inside the barrel across long cycles, cutting maintenance stops on high-rate machines. Size on about 147 N of usable push at 0.5 MPa - a 60 percent margin under the rating - enough to raise a 12.5 kg part vertically with safety to spare. The magnet is standard, letting CMSG, DMSG and EMSG switches clip on without a special-order piston.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X260SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X260SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 260 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 MAC25X260SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×260 | 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 MAC25X260SU Is Used
Tray Lift on a Pick-and-Place Base
Raises trays of roughly 12 kg between shelves; with 147 N of usable push at 0.5 MPa and a 2:1 margin the bore has headroom for guide friction too.
Nest-Feed Pusher on an Assembly Bench
Flat-end cover bolts directly to the bench bracket and slides parts into locating nests at up to 800 mm/s.
Present Finger on a Rotary Index Table
Positions a stop finger under fixtures as the dial indexes; the built-in magnet feeds a DMSG switch to confirm extension each cycle.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X260SU the Right Cylinder?
Between the 20 mm bore at 157 N and the 32 mm bore at 402.2 N of 0.5 MPa push, this 25 mm sits where mid-duty feed strokes land. The rod simply coasts when supply drops, so fit a rod lock or pilot check valve wherever a held position matters at the end of the 260 mm travel. With the U cover against a fixture plate, add an FA flange or LB foot under the body for stiffness, and keep the load on external slides so the 10 mm rod sees thrust only.
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 MAC25X260SU FAQ
Push is 245.3 N and pull 206.1 N at 0.5 MPa, rising to 343.4 N push and 288.5 N pull at 0.7 MPa, with 50 kgf theoretical maximum at 1.0 MPa. Ports are 1/8"; pressure span 0.15-1.0 MPa (22-145 psi); speed 30-800 mm/s.
No. Every MAC ships with the piston magnet already fitted, so CMSG, DMSG or EMSG reed switches clamp straight onto the stainless barrel and switch at either end of the 260 mm travel.
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