Airtac MGC Stainless Steel Mini Cylinder MGC25X25
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC25X25 is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 25mm 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
- Stroke25 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 MGC25X25
The AirTAC MGC25X25 is a double acting, JIS-standard round-body mini cylinder with a 25 mm bore and a short 25 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 deceleration near each end of travel and run faster cycles or move heavier loads without hammering the covers. 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 onto it, plus a hard-chrome plated (20 um) 10 mm carbon-steel rod with a two-way piston seal that also stores lubricant. It operates on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), tolerates -20 to +70 C, and cycles at 30-800 mm/s. Ports are 1/8" with PT thread, and the male rod thread is M10x1.25. 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 MGC25X25 Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC25X25 |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 25 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 MGC25X25
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×25 | 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 MGC25X25 Is Used
Small-parts ejection on assembly fixtures
The short 25 mm stroke and 245.3 N push at 0.5 MPa make this cylinder ideal for nudging finished parts off nests or chutes, with the adjustable cushion preventing part bounce at end of stroke.
Indexing clamps on fast-cycling jigs
At speeds up to 800 mm/s the variable air cushion decelerates the piston smoothly, protecting covers on high-rate clamp-and-release cycles where a bumper-only cylinder would hammer.
Light diverting and stopping on conveyor lines
With 343.4 N push at 0.7 MPa, the MGC25X25 can divert or stop small cartons and trays, and the cushioned ends keep the mechanism quiet through continuous duty.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC25X25 the Right Cylinder?
At 25 mm bore this sits near the small end of the MGC range: only the 20 mm bore is smaller (157.0 N push at 0.5 MPa), while the 32 mm bore steps up to 402.2 N. If you do not need cushioning and stay within 20-40 mm bores, the bumper-type MG is the simpler alternative. The variable air cushion is the reason to choose MGC when cycle speeds climb or the moving load is heavier. Order FA flange or LB foot mounting, add I or Y rod knuckles if needed, and specify the S code (MGC25X25S) if you want position sensing with CMSG, DMSG or EMSG switches - this no-S unit carries no magnet and accepts no sensor. The 25 mm stroke keeps the body compact, but if your application introduces side loading on a longer stroke, add external guides rather than relying on the rod bearing.
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 MGC25X25 FAQ
At 0.5 MPa the push force is 245.3 N and pull is 206.1 N; at 0.7 MPa push rises to 343.4 N and pull to 288.5 N. The theoretical maximum is 50 kgf at 1.0 MPa. A practical rule of thumb is to size the working load at about 0.6 of the push force, roughly 15 kg horizontal; for vertical lifting, halve the push force to about 12.5 kg to keep a safety margin.
The cushion is an adjustable air restriction at both stroke ends: turn the needle to meter exhaust and decelerate the piston smoothly, which suits higher speeds and heavier moving loads than the fixed bumper pad on the plain MG. It only decelerates end of travel - it is not a brake or lock, and the cylinder will not hold position on air loss. For a held load, add an external rod lock or pilot check valve.
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