Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X100
The AirTAC Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X100 is a genuine double acting, double rod + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 100mm 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
- Stroke100 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 MGCD25X100
The AirTAC MGCD25X100 is a JIS-standard round-body mini cylinder, double acting, with a double rod and a variable air cushion at both ends. A 10 mm rod exits both covers with the same M10x1.25 male thread, so the rod ends move together and the effective area is the rod-side area in both directions: the output force is equal either way, about 206.1 N at 0.5 MPa and 288.5 N at 0.7 MPa. The adjustable air cushion decelerates the piston smoothly at each end of the 100 mm stroke, allowing higher speeds or heavier loads than an unbuffered cylinder of the same size. Because the through-rod resists rotation and offers a second working end, it suits anti-rotation transfer and twin-load fixtures.
Construction follows the JIS mini-cylinder footprint: a SUS304 stainless barrel with riveted covers and hard-chrome plated carbon-steel rods for long seal and bearing life. The two-way lubricant-storing piston seal keeps friction low across the 30-800 mm/s speed range. It runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), and -20 to +70 C. Ports are 1/8". As a buyer insight, apply roughly 0.6 of the push force as a realistic working load: about 124 N, or a safe vertical figure of roughly 10 kg. Note that the cushion only decelerates the stroke ends; it is not a lock, so use an external rod lock or pilot check valve where load holding on air loss matters.
Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X100 Technical Specifications
| Model | Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X100 |
|---|---|
| Series | MGCD JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 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 MGCD25X100
| MGCD | JIS round-body mini cylinder (double-rod, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×100 | 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 MGCD25X100 Is Used
High-speed anti-rotation transfer
The through-rod keeps the payload from twisting during push-pull transfer at up to 800 mm/s, while the variable air cushion gives a soft, adjustable stop at each end of the 100 mm stroke.
Twin-load press with soft stop
With about 206.1 N each way at 0.5 MPa, both rod ends can carry a small forming or marking tool, and the adjustable cushions absorb the impact as each end bottoms out.
Rear-switch slide (with -S option)
Order the S variant to fit CMSG or DMSG switches on either rod end for end-of-stroke confirmation on a compact slide, with the cushion tuned to settle the flag cleanly.
Is the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X100 the Right Cylinder?
Size the MGCD25X100 by its equal both-way force: about 206.1 N at 0.5 MPa per direction. If your load needs more, step up to MGCD32; if less, MGCD20 is the smallest in the family. If you need a double-rod cylinder with a fixed bumper instead of an adjustable cushion in this bore range, the MGD covers 20 to 40; for a single rod with cushion, choose the MGC. Choose this model when you need smooth, speed-adjustable stops at both ends, anti-rotation from the through-rod, or a rear rod end for a stop flag or second load. Mounting is FA flange or LB foot, with I and Y rod knuckles available; there is no CB or SDB option. Add the S code if you want magnetic position sensing with CMSG, DMSG or EMSG switches; this non-S model has no magnet and accepts no sensor. The maximum standard stroke for bore 25 is 300 mm, so 100 mm is well within range; for long strokes, support the rod against side load.
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 MGCD25X100 FAQ
Because the double rod exposes the rod-side area in both directions, force is equal either 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 1.5 MPa (215 psi), temperature -20 to +70 C, speed 30-800 mm/s, on air filtered to 40 um. Ports are 1/8" and the rod thread is M10x1.25 at both ends.
The MGCD25X100 has an adjustable air cushion at both ends that decelerates the piston near each stroke end, so you can run higher speeds or heavier loads with smooth stops; it is not a brake and will not hold the load on air loss, so add an external rod lock or pilot check valve for that. Unlike the MGD, which uses fixed bumper pads, the MGCD cushion is adjustable. Unlike the single-rod MGC, the MGCD is a double-rod cylinder with equal force in both directions. Add the S code to enable CMSG, DMSG or EMSG magnetic switches.
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