Airtac MAC Stainless Steel Mini Air Cylinder MAC25X50SUH
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X50SUH is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 50mm 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
- Stroke50 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 MAC25X50SUH
Between the bore 16 and bore 32 sizes sits this 25 mm MAC: the MAC25X50SUH. Double acting with a variable air cushion on each end of its 50 mm stroke, it pushes 245.3 N at 0.5 MPa and cycles from 30 to 800 mm/s on a 0.15-1.0 MPa (22-145 psi) supply.
The riveted stainless barrel and 20 um hard-chrome plated rod resist corrosion in humid, dusty or washdown corners of a plant. With the magnet fitted as standard, CMSG, DMSG and EMSG switches read end positions without a special piston. Practical sizing: treat about 147 N - 60% of the 0.5 MPa push - as the working budget, enough to lift roughly 12 kg vertically with margin. The trailing H is not listed in the standard ordering code, so confirm its exact option from datasheet before ordering.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X50SUH Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X50SUH |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 50 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 MAC25X50SUH
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×50 | 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 MAC25X50SUH Is Used
Hopper slide gate
A 245.3 N thrust at 0.5 MPa drags a slide plate across a granule-feed hopper outlet; the cushioned stops keep the gate from slamming its frame.
Bench arbor press
Pressing small bearings into housings needs steady, controlled force - the 147 N working budget and 30-800 mm/s speed give the operator fine control.
Punch-press blank stacker
On the outfeed, the cylinder squares stamped blanks into a stack; the stainless barrel stands up to oily stamping residue that swells painted bodies.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X50SUH the Right Cylinder?
Usable force steps from 157.0 N (bore 20) up to 402.2 N (bore 32) at 0.5 MPa, so check the load before locking in a 25 mm bore. The MAC holds nothing when air is cut - expect drift - so pair it with a pilot check valve or rod lock where a clamp must stay closed. The U back cover plus FA flange, LB foot or SDB bracket covers fixed mounting, and the H suffix needs datasheet confirmation.
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 MAC25X50SUH FAQ
At 0.5 MPa: 245.3 N push, 206.1 N pull. At 0.7 MPa: 343.4 N push, 288.5 N pull. Theoretical maximum 50 kgf at 1.0 MPa. Rod 10 mm, male thread M10x1.25, air port 1/8".
The standard MA ordering code covers an S magnet flag, CA/U/CM back covers, FA/LB/SDB mounts and G/NPT thread options - H is not one of the listed suffixes. Treat everything else as the standard bore 25, 50 mm stroke cylinder, and confirm the H option from datasheet before ordering.
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