Airtac MG Stainless Steel Mini Air Cylinder MG25X350
The AirTAC Airtac MG Stainless Steel Mini Air Cylinder MG25X350 is a genuine double acting JIS-standard round-body mini air cylinder with a Ø25mm bore and 350mm 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
- Stroke350 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 MG25X350
With a 25 mm bore and a generous 350 mm stroke, this MG series cylinder delivers double acting push and pull on filtered air from 0.15-1.0 MPa (22-145 psi). At 0.5 MPa it pushes about 245 N and pulls about 206 N; at 0.7 MPa those figures rise to 343 N and 288 N, with a theoretical ceiling of 50 kgf at 1.0 MPa. The riveted round body pairs a SUS304 stainless barrel with a hard-chrome plated rod, so it shrugs off damp, washdown-prone and outdoor conditions that would corrode painted-steel minis.
Because the MG follows the JIS mini-cylinder standard, its mounting footprint drops straight onto standard JIS brackets and rod knuckles, which keeps spare-parts bins interchangeable across a machine fleet. Plan real work at roughly 145 N (about 0.6 of the 0.5 MPa push), which means this cylinder lifts around 7 kg vertically with a sensible margin. Note that the 350 mm stroke sits inside the 500 mm standard range for this bore, so it ships as a catalogue item. Speed spans 30-800 mm/s and the fixed anti-impact bumper pads simply soften the stroke ends.
Airtac MG Stainless Steel Mini Air Cylinder MG25X350 Technical Specifications
| Model | Airtac MG Stainless Steel Mini Air Cylinder MG25X350 |
|---|---|
| Series | MG JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 350 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 MG25X350
| MG | JIS round-body mini cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×350 | 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 MG25X350 Is Used
Bottling line pusher
Ejecting empty PET bottles or cartons sideways off a conveyor: the roughly 145 N usable push at 0.5 MPa is ample for lightweight packaging, and the stainless barrel tolerates frequent washdown.
Small parts lift gate
Raising a fixture or guard gate of about 7 kg on a semi-automatic assembly bench, using the 350 mm stroke to clear the work envelope in one motion.
Lab sample indexer
Advancing sample trays or vial racks in a testing laboratory, where the SUS304 body resists cleaning agents and the JIS footprint fits standard mini-cylinder brackets.
Is the Airtac MG Stainless Steel Mini Air Cylinder MG25X350 the Right Cylinder?
At 25 mm bore you sit mid-range: the 20 mm MG gives about 157 N push at 0.5 MPa, while stepping up to the 32 mm bore roughly doubles it to about 402 N. If your load needs more than roughly 145 N of usable force, size up; if it is light and you want a smaller envelope, drop a bore. For high speeds or heavy loads that hammer the stroke ends, the cushioned MGC variant with an adjustable air cushion is the better choice. This SKU carries no magnet, so CMSG / DMSG / EMSG switches cannot be fitted - order the S code if you need position sensing. Mount it with LB foot, FA flange, CB clevis or SDB pivot brackets. Remember the cylinder will drift if air is lost or the valve centres, so add an external rod lock or pilot check valve for held loads. With 350 mm of travel, keep side loads off the 10 mm rod and guide the payload externally.
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 MG25X350 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 a 1.5 MPa (215 psi) proof pressure, on air filtered to 40 um.
No - this SKU has no magnet, so CMSG / DMSG / EMSG switches cannot be mounted; order the S code version for sensing. At the stroke ends a fixed anti-impact bumper pad decelerates the piston, but it is not an adjustable air cushion and it never locks or holds a load - the rod will drift if air pressure is lost.
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