Airtac MG Stainless Steel Mini Air Cylinder MG25X75S
The AirTAC Airtac MG Stainless Steel Mini Air Cylinder MG25X75S is a genuine double acting JIS-standard round-body mini air cylinder with a Ø25mm bore and 75mm stroke, 1/8" air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ25 mm
- Stroke75 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionFixed anti-impact bumper pads
About the Airtac MG Stainless Steel Mini Air Cylinder MG25X75S
With a 25 mm bore pushing 245.3 N at 0.5 MPa (343.4 N at 0.7 MPa), the MG25X75S is a double acting JIS round-body mini cylinder that suits compact clamping, ejecting and positioning jobs on tight machines. The 75 mm stroke keeps the installed length short, and the fitted magnet means CMSG, DMSG or EMSG switches can be clipped on for end-of-stroke detection without ordering a special build.
The body is a SUS304 stainless barrel rolled onto the covers with a hard-chrome plated rod, so it shrugs off damp air, light washdown and outdoor exposure far better than painted-steel minis. Fixed anti-impact bumper pads soften the direction change at each end of the stroke; they decelerate only and are not an adjustable air cushion. As a sizing rule of thumb, plan on roughly 147 N of real work at 0.5 MPa, which is about 15 kg lifted vertically with a 2:1 margin.
Airtac MG Stainless Steel Mini Air Cylinder MG25X75S Technical Specifications
| Model | Airtac MG Stainless Steel Mini Air Cylinder MG25X75S |
|---|---|
| Series | MG JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 mm |
| Acting type | Double acting |
| 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 | Fixed anti-impact bumper pads |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MG-series (JIS standard) datasheet. Barrel: SUS304 stainless steel (round-body, riveted construction); piston rod: carbon steel with 20µm hard-chrome plating. Thread options: PT (blank) / G / NPT.
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 MG Stainless Steel Mini Air Cylinder MG25X75S
| MG | JIS round-body mini cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×75 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
| FA / LB / CB / SDB | Mounting: FA flange, LB foot, CB clevis, SDB pivot bracket (with CB). |
MG-family variants: MG / MGC (double acting ±cushion), MSG / MTG (single acting push / pull), MGD / MGCD (double rod ±cushion). Accessories: LB foot, FA flange, CB clevis, SDB pivot block, plus I and Y knuckles. Thread PT (blank) / G / NPT.
Where the Airtac MG Stainless Steel Mini Air Cylinder MG25X75S Is Used
Small parts ejection
Ejects stamped or moulded parts off small dies where the 245.3 N push at 0.5 MPa is ample and the 75 mm stroke clears the part quickly.
Position feedback on compact fixtures
The built-in magnet accepts CMSG or DMSG switches, giving end-of-stroke confirmation on jigs and fixtures with no room for external switches.
Bench-top test rigs
The SUS304 stainless barrel and hard-chrome rod stand up to the damp, splashed environment of laboratory and test-bench actuation.
Is the Airtac MG Stainless Steel Mini Air Cylinder MG25X75S the Right Cylinder?
At 0.5 MPa this bore delivers 245.3 N push and 206.1 N pull. The smaller MG20 gives 157.0 N push, so step up to 25 mm when your load needs more than about 15 kg of vertical lift capability; the next bore up, MG32, reaches 402.2 N push if you want headroom. Remember the MG does not hold position when air is lost, so add a rod lock or pilot check valve for suspended loads. Mount it LB foot, FA flange, CB clevis or SDB pivot, and pair I or Y knuckles with the M10x1.25 rod thread. The 75 mm stroke sits well inside the 500 mm standard range, and ports are 1/8" on every MG bore.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting (LB / FA / CB / SDB) & knuckle
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/impact settings and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MG Stainless Steel Mini Air Cylinder MG25X75S FAQ
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N. At 0.7 MPa it pushes 343.4 N and pulls 288.5 N. The theoretical maximum is 50 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi) with proof pressure of 1.5 MPa (215 psi), speed range 30-800 mm/s, and a 1/8" port on this 25 mm bore.
It follows the JIS mini-cylinder standard, so standard JIS brackets and rod knuckles bolt straight on, and the SUS304 barrel with hard-chrome rod resists corrosion in damp or lightly washed areas. The fixed bumper pads soften stroke-end impact, and the -S magnet in this model lets you fit CMSG, DMSG or EMSG switches.
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