Airtac MAC Stainless Steel Mini Air Cylinder MAC25X75SUH
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X75SUH is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 75mm 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
- Stroke75 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 MAC25X75SUH
Behind the unusual H suffix sits the familiar bore 25 MAC: 245.3 N of push and 206.1 N of pull at 0.5 MPa, delivered by a stainless rolled body that resists washdown and humid shop air far better than painted minis. Double-acting air plus needle cushions at both ends give controlled stops across the full 30-800 mm/s speed band.
For sizing, treat 147 N as the realistic working force and expect roughly 12 kg of vertical lifting capacity with a 2:1 margin. Aluminium covers, 40 um filtered air and a 0.15-1.0 MPa (22-145 psi) supply window cover typical plant conditions. The built-in magnet means a CMSG, DMSG or EMSG switch mounts the moment position feedback is needed.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X75SUH Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X75SUH |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 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 MAC25X75SUH
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×75 | 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 MAC25X75SUH Is Used
Changeover slide on a filling line
A 75 mm slide shifts nozzles between bottle sizes during changeover, and the stainless body tolerates sticky syrup residue wiped down each shift.
Small parcel diverter in sorting
At 245 N push the cylinder deflects parcels on a sorter chute, with cushions softening contact as divert speed rises toward 500 mm/s.
Hopper slide-gate actuator
Opening a 75 mm slide gate on a granulate hopper needs short, repeatable travel; the bore 25 push easily outweighs gate friction and seal drag.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X75SUH the Right Cylinder?
This model keeps the flat U back cover; the trailing H on the order code is not one of the standard PT / G / NPT thread letters listed for the series, so confirm its exact meaning from the datasheet before ordering. Force-wise, a 20 mm bore gives 157 N and a 32 mm bore gives 402.2 N at 0.5 MPa, bracketing this 25 mm choice. Ports are 1/8" and the rod thread M10x1.25.
A centred valve leaves the piston floating, so hanging or pushing loads call for a rod lock or pilot check valve fitted beside the cylinder.
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 MAC25X75SUH 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 peak is 50 kgf at 1.0 MPa. It is double acting with variable end cushions, 1/8" air ports, an M10x1.25 male rod thread, and a 0.15-1.0 MPa (22-145 psi) operating range at 30-800 mm/s.
Yes - AirTAC fits the magnet as standard on the MAC series, so a CMSG, DMSG or EMSG reed or electronic switch clamps onto the barrel without ordering a special piston, making end-of-stroke confirmation on this 75 mm stroke a plug-in job. Check the H suffix in the code against the datasheet to confirm the rest of the configuration.
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