Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X300
The AirTAC Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X300 is a genuine double acting, double rod + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 300mm 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
- Stroke300 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 MGCD25X300
The AirTAC MGCD25X300 is a double acting, double-rod JIS round-body mini cylinder with a 25 mm bore and a 300 mm stroke, the maximum standard stroke for this bore. Because a 10 mm hard-chrome steel rod exits BOTH covers with the same M10x1.25 male thread at each end, the piston works on the rod-side area in both directions, delivering 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, high-speed stops, and the rear rod end doubles as an anti-rotation guide, a position flag or a second load point. In practice that means a realistic working load of roughly 12 kg horizontally (about 0.6 of the push force) or about 10 kg in a vertical lift.
Construction follows the JIS mini-cylinder footprint: a riveted SUS304 stainless barrel with hard-chrome plated carbon-steel rods, two-way lubricant-storing piston seals and 1/8" ports. It runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), tolerates a proof pressure of 1.5 MPa (215 psi), operates from -20 to +70 C and reaches speeds of 30-800 mm/s. Mount it with an FA flange or LB foot, add I or Y rod knuckles, and order the -S option if you want a CMSG, DMSG or EMSG magnetic sensor; this base model carries no magnet, so no sensor can be fitted.
Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X300 Technical Specifications
| Model | Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X300 |
|---|---|
| Series | MGCD JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 300 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 MGCD25X300
| MGCD | JIS round-body mini cylinder (double-rod, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×300 | 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 MGCD25X300 Is Used
High-speed anti-rotation transfer
The through-rod keeps a gripper or tray from twisting while the adjustable cushions absorb the stop at 300 mm of travel, at forces around 206 N in each direction.
Twin-load press with soft stop
Rod ends on both covers let the MGCD25X300 press two light parts at once, with the variable air cushion easing the final approach instead of slamming the covers.
Rear-switch slide
Use the rear rod end as a cam for a position flag or stop block on a sliding fixture; add the -S option with a CMSG/DMSG/EMSG sensor for end-of-stroke detection.
Is the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X300 the Right Cylinder?
Size the MGCD25X300 by its equal both-way force: 206.1 N at 0.5 MPa per direction, so plan on roughly 12 kg of horizontal working load or about 10 kg vertical. Step down to MGCD20 for lighter duty or up to MGCD32/40/50/63 for more force, with 63 being the largest in the family. If you need a double-rod mini cylinder at bore 20-40 with a fixed bumper instead of an adjustable cushion, choose the MGD; for a single rod with a cushion, choose the MGC. Pick this model when you want smooth, speed-tunable stops at both ends plus a through-rod for anti-rotation guidance or a rear-mounted stop or switch flag. Mounting is FA flange or LB foot with I/Y knuckles (no SDB/CB); add the S code for CMSG/DMSG/EMSG sensing. The 300 mm stroke is the standard maximum for bore 25, so longer strokes are nonstandard; keep side loads low on long strokes and guide the load 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) & 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 MGCD25X300 FAQ
It is double acting with a double rod, so force is equal both ways: 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), temperature range is -20 to +70 C, speed is 30-800 mm/s, and the fluid is air filtered to 40 um.
The cushion is an adjustable air buffer at both stroke ends that decelerates the piston for smooth high-speed stops; it is not a lock, so the load is not held on air loss and an external rod lock or pilot check valve is recommended. Unlike the MGD, which uses fixed bumper pads, the MGCD cushion is adjustable, and unlike the single-rod MGC it has rods at both ends, giving equal force in both directions. Add the S code to fit CMSG, DMSG or EMSG sensors.
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