Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X75S
The AirTAC Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X75S is a genuine double acting, double rod + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 75mm 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
- Stroke75 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 MGCD25X75S
The AirTAC MGCD25X75S is a double acting, double-rod JIS round-body mini cylinder with a 25 mm bore and 75 mm stroke. A 10 mm rod exits BOTH covers with the same M10x1.25 male thread at each end, so both strokes see the rod-side area and the output force is equal in both directions: about 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. Unlike a fixed bumper pad, this variant carries a variable air cushion at both ends, so the piston decelerates smoothly at each end of travel and the cylinder can run faster or move heavier loads without hard metal stops. Because the model code ends in S, a magnet is fitted and CMSG, DMSG or EMSG reed switches can be clipped on for end-of-stroke sensing.
Construction follows the JIS mini-cylinder footprint: a riveted SUS304 stainless barrel with a hard-chrome plated carbon-steel rod, two-way lubricant-storing piston seals, and 1/8" ports. Operating pressure is 0.15-1.0 MPa (22-145 psi) with proof pressure of 1.5 MPa (215 psi), air filtered to 40 um, a temperature range of -20 to +70 C and speeds of 30-800 mm/s. For a realistic working load, apply the usual 0.6 rule of thumb to the 206.1 N push: about 12.6 kgf horizontally, or roughly 10 kg as a safe vertical figure. Note that the cushion only decelerates the stroke ends; 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 MGCD Stainless Steel Mini Air Cylinder MGCD25X75S Technical Specifications
| Model | Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X75S |
|---|---|
| Series | MGCD JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 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 MGCD25X75S
| MGCD | JIS round-body mini cylinder (double-rod, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×75 | 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 MGCD25X75S Is Used
High-speed anti-rotation transfer
The through-rod resists load rotation while the variable air cushion at both ends lets the 206.1 N push-and-pull slide run at up to 800 mm/s with smooth, repeatable stops on small pick-and-place fixtures.
Twin-load press with soft stop
Rod ends on both sides carry two small forming or marking tools in one stroke, each seeing about 12.6 kgf at 0.5 MPa, and the adjustable cushion gives a gentle landing instead of a hard bumper impact.
Rear-switch positioning slide
The rear rod end drives a stop flag or cam while the fitted magnet feeds CMSG or DMSG switch signals to the PLC, giving cushioned, sensed end positions on a compact 25 mm bore conveyor stop.
Is the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X75S the Right Cylinder?
Size the MGCD25X75S when you need equal force in both directions with cushioned stops: at 206.1 N per way at 0.5 MPa it sits between the 20 mm bore (131.9 N) and the 32 mm bore (345.6 N), so step up to MGCD32 if your load needs more margin, or down to MGCD20 for lighter, faster duties. If you want a double-rod cylinder at this bore without adjustable deceleration, the MGD with fixed bumpers covers 20-40 mm; if a single rod plus cushion is enough, choose the MGC. Mount with the LB foot or FA flange, and add I or Y rod knuckles for side misalignment; SDB and CB mounts are not offered. Long strokes over 300 mm are non-standard at this bore, and long unsupported strokes should be checked for side load on the through-rod. The fitted magnet means CMSG, DMSG or EMSG switches can be added at any time.
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 MGCD25X75S FAQ
Because the double rod exposes the rod-side area on both sides, output is equal each way: 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. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure is 1.5 MPa (215 psi), the fluid is air filtered to 40 um, temperature range is -20 to +70 C, and speed is 30-800 mm/s.
The cushion is an adjustable air restriction at each end that decelerates the piston for smooth high-speed stops; it is not a brake, so an external rod lock or pilot check valve is needed to hold a load on air loss. The MGD is a double-rod cylinder with fixed bumper pads instead of adjustable cushions, and the MGC is a single-rod cushioned cylinder whose push force exceeds its pull. The S in MGCD25X75S means a magnet is fitted for CMSG, DMSG or EMSG switches.
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