Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X25S
The AirTAC Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X25S is a genuine double acting, double rod + 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, double rod + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X25S
The AirTAC MGCD25X25S is a double acting, double rod JIS round-body mini cylinder with a 25 mm bore and 25 mm stroke. A rod exits both covers with the same M10x1.25 male thread at each end, so both strokes see the rod-side area and deliver an equal force of about 206.1 N each way at 0.5 MPa (288.5 N at 0.7 MPa, up to 42 kgf theoretical at 1.0 MPa). A variable air cushion at both ends lets you tune the deceleration for smooth stops at higher speeds or with heavier loads, and the through-rod resists rotation while giving you a rear rod end for a stop flag, switch trigger, or a second small load.
Construction follows the JIS mini-cylinder footprint with a riveted SUS304 stainless barrel and hard-chrome plated carbon-steel rods for corrosion resistance and long seal life. The fitted magnet (S code) accepts CMSG, DMSG, or EMSG switches for end-of-stroke sensing, and the 1/8" ports take PT thread. Operating range is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof pressure, -20 to +70 C, and 30-800 mm/s speed. As a sizing rule of thumb, plan on roughly 10 kg safe vertical load, half of the 21 kgf the rod-side area produces at 0.5 MPa.
Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X25S Technical Specifications
| Model | Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X25S |
|---|---|
| Series | MGCD JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 25 mm |
| Acting type | Double acting, double rod + 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 300 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 | Force (both ways) |
|---|---|
| 0.5 MPa | 206 N |
| 0.7 MPa | 289 N |
| Max (@1.0 MPa) | 42 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
Model Code: Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X25S
| MGCD | JIS round-body mini cylinder (double-rod, 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 MGCD Stainless Steel Mini Air Cylinder MGCD25X25S Is Used
High-speed anti-rotation transfer
The through-rod keeps the load from rotating while the variable air cushion at each end absorbs the stop, letting small fixtures cycle faster than a bumper-equipped cylinder could tolerate.
Twin-load press with soft stop
With 206.1 N each way at 0.5 MPa, the same 10 mm rod can carry a light pressing or marking tool on one end and a support or ejector pin on the other, both cushioned for a smooth seating action.
Rear-switch slide
The rear rod end drives a flag past a CMSG or DMSG switch for position confirmation on short 25 mm strokes in compact assembly or packaging stations.
Is the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X25S the Right Cylinder?
Size the MGCD25X25S when you need equal force in both directions with cushioned stops: at 0.5 MPa it delivers 206.1 N each way, so keep the working load near 0.6 of that (about 12 kgf horizontal) or roughly 10 kg vertical. If you need more force, step up to MGCD32 (345.6 N each way) or MGCD40 (527.8 N); for lighter duty, MGCD20 gives 131.9 N. For a double-rod cylinder with a fixed bumper instead of an adjustable cushion in this bore range, choose the MGD; for a single rod with a cushion, choose the MGC. Mount with the LB foot or FA flange and add I or Y rod knuckles on the loaded end; there is no CB or SDB option. The S in this model means the magnet is already fitted, so CMSG/DMSG/EMSG switches can be added at any time. Keep side loads off the rod on longer strokes and guide external loads separately.
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 MGCD Stainless Steel Mini Air Cylinder MGCD25X25S FAQ
Because it is a double rod cylinder, the force is equal in both directions: 206.1 N at 0.5 MPa and 288.5 N at 0.7 MPa, with a theoretical maximum of 42 kgf at 1.0 MPa. It runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), withstands a 1.5 MPa (215 psi) proof pressure, operates from -20 to +70 C at 30-800 mm/s, and has a 1/8" PT port with M10x1.25 rod threads on both ends.
The cushion is an adjustable air cushion at both ends that decelerates the piston near each stroke end; you tune it with the cushion needles, but it is not a lock, so use a pilot check valve or external rod lock if the load must be held on air loss. Unlike the MGD, which uses fixed bumper pads, the MGCD cushion is adjustable for higher speeds and heavier loads. Unlike the single-rod MGC, the MGCD has a rod at both ends, giving equal force both ways and anti-rotation. The fitted magnet also accepts CMSG, DMSG, or EMSG switches.
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