Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X175
The AirTAC Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X175 is a genuine double acting, double rod + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 175mm stroke, M5×0.8 air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ20 mm
- Stroke175 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod + cushion
- Rod threadM8×1.25
- CushionVariable air cushion, both ends
About the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X175
The AirTAC MGCD20X175 is a double acting, double rod JIS mini cylinder with a 20 mm bore and 175 mm stroke. Because a rod exits both covers, the piston sees the rod-side area in each direction, so output force is equal both ways: about 131.9 N at 0.5 MPa and 184.7 N at 0.7 MPa, with a theoretical maximum of 26.9 kgf at 1.0 MPa. Unlike a fixed bumper pad, this variant carries a variable air cushion at both ends, so you can tune the deceleration for smooth, controlled stops at higher speeds or with heavier loads. The rear rod end also gives you a mounting point for a stop flag, a second load, or a position switch bracket.
Construction follows the JIS round-body mini format: a riveted SUS304 stainless barrel with a hard-chromed 8 mm rod threaded M8x1.25 at both ends, and an M5x0.8 air port. 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, and moves at 30-800 mm/s. A practical working-load rule of thumb is about 0.6 of the push force, which for this bore means roughly 8 kgf safe in either direction, or about 4 kgf if you are lifting vertically. Mounting options are FA flange or LB foot, with I and Y rod knuckles available.
Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X175 Technical Specifications
| Model | Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X175 |
|---|---|
| Series | MGCD JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 175 mm |
| Acting type | Double acting, double rod + cushion |
| Port size | M5×0.8 |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 132 N |
| 0.7 MPa | 185 N |
| Max (@1.0 MPa) | 27 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 MGCD20X175
| MGCD | JIS round-body mini cylinder (double-rod, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×175 | 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 MGCD20X175 Is Used
High-speed anti-rotation transfer
The through-rod resists rotation while the variable air cushion tames the 175 mm travel, letting small parts shift at speed without end-of-stroke bounce or misalignment.
Twin-load press with soft stop
Rod ends on both covers let you carry a light load on each side, and the adjustable cushion gives a gentle, tunable stop on light pressing and marking duties.
Rear-switch slide
Use the rear rod end to drive a flag past a magnetic switch (order the S code for CMSG, DMSG or EMSG sensors) for a compact position-feedback slide.
Is the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X175 the Right Cylinder?
Size the MGCD20X175 by force, not bore alone: at 131.9 N each way at 0.5 MPa it is the smallest cushioned double-rod cylinder in the range, so step up to bore 25, 32, 40, 50 or 63 if your load needs more. If you want a double-rod cylinder with a fixed bumper instead of an adjustable cushion at this bore, look at the MGD series; if you need a single rod with a cushion, the MGC is the right family. The 175 mm stroke sits well inside the 300 mm maximum standard stroke for bore 20, so no special-order stroke is required. Choose the S code if you plan to fit CMSG, DMSG or EMSG magnetic sensors; without the magnet no sensor can be mounted. Pick FA flange or LB foot mounting, add I or Y knuckles for pivoting loads, and specify G or NPT threads if PT is not your plant standard. For long strokes, support the rod externally to limit 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 MGCD20X175 FAQ
It is a double acting, double rod JIS mini cylinder with a 20 mm bore and 175 mm stroke. Force is equal in both directions: 131.9 N at 0.5 MPa and 184.7 N at 0.7 MPa, with a theoretical maximum of 26.9 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), temperature range -20 to +70 C, and speed 30-800 mm/s. The port is M5x0.8, the rod thread is M8x1.25 on both ends, and the maximum standard stroke for this bore is 300 mm.
The MGCD20X175 has a variable air cushion at both ends: adjusting screws meter the exhaust air to decelerate the piston smoothly at each end of stroke, which is ideal for higher speeds or heavier loads. It is not a fixed bumper pad, which is what the MGD double-rod series uses, and it is not a single-rod design like the MGC. Because a rod exits both covers, the effective area is the rod-side area both ways, so push and pull force are identical. Note that the cushion only decelerates the stroke end; it is not a lock, so use an external rod lock or pilot check valve if the load must be held on air loss.
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