Airtac MGC Stainless Steel Mini Cylinder MGC25X200
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC25X200 is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 200mm 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
- Stroke200 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 MGC25X200
The AirTAC MGC25X200 is a JIS-standard round-body mini cylinder, double acting, with a 25 mm bore and 200 mm stroke. What sets it apart from the bumper-type MG is the variable air cushion at both stroke ends: turn the cushion needle in and the piston decelerates smoothly before it reaches the cover, so this cylinder tolerates higher piston speeds and heavier moving loads without hammering. At 0.5 MPa it delivers 245.3 N push and 206.1 N pull; at 0.7 MPa that rises to 343.4 N push and 288.5 N pull, 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 onto it, plus a hard-chrome plated 20 um carbon-steel rod and a two-way piston seal that also stores lubricant. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), temperature range -20 to +70 C, and speed range 30-800 mm/s on air filtered to 40 um. Ports are 1/8" with PT thread, the 10 mm rod carries an M10x1.25 male thread, and mounting is by FA flange or LB foot with I and Y rod knuckles available. Note that the cushion only decelerates the stroke end; it is not a lock, so use an external rod lock or pilot check valve if the load must be held on air loss.
Airtac MGC Stainless Steel Mini Cylinder MGC25X200 Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC25X200 |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 200 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 MGC25X200
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×200 | 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 MGC25X200 Is Used
Conveyor push-off stations
The 245.3 N push at 0.5 MPa parts or diverts cartons on light conveyor lines, while the variable air cushion stops the stroke quietly at high cycle rates.
Packaging and indexing slides
On small packaging machines, the adjustable cushion absorbs the momentum of a moving slide or product carrier, protecting the 200 mm stroke ends at speeds up to 800 mm/s.
Machine clamping and eject
With about 15 kg safe vertical load capacity from the 25 kgf push figure, the MGC25X200 ejects parts or clamps light fixtures where smooth deceleration prevents bounce.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC25X200 the Right Cylinder?
At 25 mm bore the MGC25X200 sits just above the smallest cushioned MGC (bore 20, 157.0 N push at 0.5 MPa) and below the 32 (402.2 N) and 40 (628.3 N) sizes. If you do not need end-of-stroke deceleration, the bumper-type MG covers bores 20-40 as a lower-cost alternative; if you need more force with the same cushion, step up to MGC32 or MGC40. A practical sizing rule: take the 245.3 N push at 0.5 MPa as roughly 25 kgf, then apply a 0.6 safety factor for about 15 kg of safe vertical lifting load, and size up if your duty cycle or speed is high. The variable air cushion is the reason to choose this over a bumper cylinder when running near the 800 mm/s top speed or moving a mass that would otherwise slam the covers. Specify the optional S magnet code if you want CMSG, DMSG or EMSG position sensors; this no-S model cannot accept a sensor. For 200 mm stroke with a long exposed rod, avoid side loads or add external guidance. Strokes beyond the 500 mm standard maximum are made to order up to 800 mm.
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 MGC25X200 FAQ
At 0.5 MPa it pushes with 245.3 N and pulls with 206.1 N; at 0.7 MPa the figures are 343.4 N push and 288.5 N pull. The theoretical maximum is 50 kgf at 1.0 MPa. Applying a 0.6 safety factor to the 0.5 MPa push force gives roughly 15 kg as a safe vertical lifting load.
The needle valve at each stroke end meters exhaust air so the piston decelerates smoothly before reaching the cover; you adjust it to suit speed and load. It is an adjustable air cushion, not a fixed bumper pad, and it only brakes the stroke end. It is not a lock or brake, so the cylinder will not hold position on air loss; fit an external rod lock or pilot check valve for a held load.
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