Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SUH
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SUH is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 150mm 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
- Stroke150 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 MAC25X150SUH
Ask for a stainless mini that signals its own position and this variant answers. The MAC25X150SUH is the flat-end U cover version of AirTAC's 25 mm MAC round cylinder, 150 mm stroke, double acting with a variable air cushion at each end. A standard-fit magnet makes position sensing a given - CMSG, DMSG and EMSG switches drop straight onto the barrel - while the riveted stainless body and 20 um hard-chrome rod take repeated washdown in stride.
At 0.5 MPa the bore turns out 245.3 N of push. In everyday terms that is 25 kg of muscle; select for loads near 12 kg and you keep a healthy 2:1 reserve. Cushion needles at both heads are backed off for first air and closed gradually, letting the 150 mm stroke decelerate smoothly anywhere in the 30-800 mm/s speed window.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SUH Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SUH |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 150 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 MAC25X150SUH
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×150 | 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 MAC25X150SUH Is Used
Bench fixture clamp
Holds small brackets in a manual bench fixture, delivering 245 N of clamp force from ordinary shop air at 0.5 MPa.
Dosing valve actuator
Strokes a slurry dosing valve on a chemical dosing skid, the stainless barrel standing up to splashes and rinsing.
Tray lower stop
Drops a tray lower stop on a bakery depositor line, a DMSG switch confirming the parked position to the PLC.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SUH the Right Cylinder?
Against its neighbours: 20 mm offers 157.0 N at 0.5 MPa, 32 mm offers 402.2 N, and this 25 mm barrel delivers 245.3 N in between. Air released or valve centred means the rod can be pushed back by the load itself, so a rod lock or pilot check valve is the remedy where holding matters. The U rear cover bolts flat to fixed plates, while FA, LB and SDB brackets plus I and Y knuckles cover other mount styles. Keep the load guided over the 150 mm travel so the 10 mm rod sees no side force. The trailing H in the code is not part of the standard option set in the base literature - confirm from datasheet before ordering to lock the exact configuration.
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 MAC25X150SUH FAQ
Extension 245.3 N and retraction 206.1 N at 0.5 MPa, rising to 343.4 N and 288.5 N at 0.7 MPa, with a 50.0 kgf theoretical ceiling at 1.0 MPa. Working pressure is 0.15-1.0 MPa (22-145 psi), ports are 1/8 in., the rod is 10 mm with an M10x1.25 male thread, and speeds run 30-800 mm/s.
Yes - every MAC cylinder carries a piston magnet as standard equipment, so CMSG, DMSG and EMSG switches can be fitted at any time without ordering a special piston. Clip the switch to the barrel and wire it to your PLC for end-of-stroke or mid-stroke feedback.
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