Airtac MGC Stainless Steel Mini Cylinder MGC25X225
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC25X225 is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 225mm 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
- Stroke225 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MGC Stainless Steel Mini Cylinder MGC25X225
The AirTAC MGC25X225 is a double acting, JIS-standard round-body mini cylinder with a 25 mm bore and 225 mm stroke, fitted with a variable air cushion at both ends. Unlike the bumper-style MG, the cushion needle is adjustable, so you can dial in smooth piston deceleration near each end of travel. That makes this 25 mm model a good match for faster cycles and heavier moving loads, where an uncontrolled piston would hammer the covers and shorten service life. At 0.5 MPa it delivers 245.3 N push and 206.1 N pull, rising to 343.4 N push at 0.7 MPa, with a theoretical maximum of 50 kgf at 1.0 MPa.
Construction follows the MG family recipe: a SUS304 stainless barrel with covers and stainless block riveted and rolled into place, plus a hard-chrome plated 20 um carbon-steel rod and a two-way piston seal that also stores lubricant. Operating pressure spans 0.15 to 1.0 MPa (22-145 psi) with proof pressure of 1.5 MPa (215 psi), air filtered to 40 um, a speed range of 30 to 800 mm/s, and a temperature window of -20 to +70 C. Ports are 1/8" with PT thread, the male rod thread is M10x1.25, and mounting options are FA flange or LB foot with I and Y rod knuckles. Note that the cushion only decelerates the stroke end; it is not a lock or brake, so an external rod lock or pilot check valve is recommended for a held load.
Airtac MGC Stainless Steel Mini Cylinder MGC25X225 Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC25X225 |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 225 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 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 MGC Stainless Steel Mini Cylinder MGC25X225
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×225 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
| FA / LB | Mounting: FA flange, LB foot. |
MG-family variants: MG / MGC (double acting ±cushion), MSG / MTG (single acting push / pull), MGD / MGCD (double rod ±cushion). Accessories: LB foot, FA flange, plus I and Y knuckles. Thread PT (blank) / G / NPT.
Where the Airtac MGC Stainless Steel Mini Cylinder MGC25X225 Is Used
High-cycle parts ejection
The variable air cushion lets this 25 mm cylinder run at the upper end of its 30-800 mm/s range on small-part push-off stations, decelerating the piston smoothly instead of slamming the covers on every 225 mm cycle.
Conveyor divert and stopper
With 245.3 N push at 0.5 MPa (about 15 kgf safe working load), the MGC25X225 diverts lightweight cartons or actuates stopper gates on packaging lines, with the adjustable cushion absorbing the moving load at end of stroke.
Small press and clamp fixture
The 343.4 N push force at 0.7 MPa suits light clamping and small press-fit fixtures, where the cushioned stop protects tooling and the SUS304 stainless barrel resists coolant and washdown environments.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC25X225 the Right Cylinder?
Sizing the MGC25X225: the 25 mm bore gives 245.3 N push and 206.1 N pull at 0.5 MPa. A practical rule of thumb is to work at about 0.6x of the 0.5 MPa push force, which puts a safe continuous load near 15 kgf (245.3 N / 9.81 = 25 kgf theoretical, halved for vertical lift and derated). If you need more force, step up to the 32 mm bore at 402.2 N push; the 20 mm bore below it offers 157.0 N. For 20 to 40 mm bores where cushioning is not needed, the plain bumper MG is the no-cushion alternative, while the MGC adds the adjustable air cushion for higher speeds. The 225 mm stroke sits comfortably inside the 500 mm maximum standard stroke for this bore, so no made-to-order surcharge applies. Add the S code if you want position sensing with CMSG, DMSG or EMSG switches; without it, no sensor can be mounted. Choose FA flange or LB foot mounting, and remember that long strokes like this one benefit from alignment care to avoid rod side loading.
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) & 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 and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MGC Stainless Steel Mini Cylinder MGC25X225 FAQ
At 0.5 MPa the 25 mm bore gives 245.3 N push and 206.1 N pull; at 0.7 MPa it reaches 343.4 N push and 288.5 N pull. The theoretical maximum is 50 kgf at 1.0 MPa. For sizing, use about 0.6x of the 0.5 MPa push force, roughly 15 kgf, and halve that again for vertical lifting.
The cushion needle at each end is adjustable, so you can tune the deceleration of the piston as it nears end of travel, which protects the covers at higher speeds and with heavier moving loads. It is not a lock or brake: on air loss the rod will move, so use an external rod lock or pilot check valve for a held load. Position sensing requires the -S magnet option with CMSG, DMSG or EMSG switches.
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