Airtac MIC Cushioned Mini Cylinder MIC20X400U
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC20X400U is a genuine double acting + cushion round-body mini air cylinder with a Ø20mm bore and 400mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments. Its ISO 6432 mounting interface makes it a compact drop-in for standard mini-cylinder fixtures.
- BoreØ20 mm
- Stroke400 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM8×1.25
- CushionVariable air cushion, both ends
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MIC Cushioned Mini Cylinder MIC20X400U
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless steel round-body mini cylinder handles long 400 mm strokes with precision. The U rear cover provides a 90-degree mounting orientation for tight layouts. Because it lacks the -S magnet, this specific SKU cannot accept position sensors. You must specify an -S variant to use CMSG, DMSG, or EMSG switches.
Twin adjustable air cushions at both ends allow you to tune end-of-stroke deceleration, absorbing high-speed kinetic energy to protect your payload. The stainless barrel and rod resist mild corrosion and washdown environments. For vertical moves, expect a safe working load of about 94 N, meaning it lifts roughly 8 kg with a 2:1 safety margin. Air connects via a 1/8" port.
Airtac MIC Cushioned Mini Cylinder MIC20X400U Technical Specifications
| Model | Airtac MIC Cushioned Mini Cylinder MIC20X400U |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 400 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| 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 500 mm |
Specifications follow the official AirTAC MI/MIC (ISO 6432) datasheet. Barrel & rod: stainless steel (round-body, riveted construction). Thread options: PT (blank) / G.
Theoretical Output Force (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MIC Cushioned Mini Cylinder MIC20X400U
| MIC | ISO 6432 round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×400 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MI-family variants: MI / MIC (double acting ±cushion), MSI / MTI (single acting push / pull), MID / MICD (double rod ±cushion), MIJ / MICJ (adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MIC Cushioned Mini Cylinder MIC20X400U Is Used
Package Diverting
Pushes light cartons across transfer belts at speed, using the adjustable cushion to halt the 400 mm travel without slamming.
Vertical Lowering
Lowers 8 kg fixtures smoothly on the downstroke, relying on the needle-set cushion to prevent end-impact damage.
Bin Gate Actuation
Opens and closes discharge flaps on small hoppers, where the stainless build handles mildly dusty environments.
Is the Airtac MIC Cushioned Mini Cylinder MIC20X400U the Right Cylinder?
When sizing this 20 mm bore, dropping down to an MIC16 reduces thrust to 100.5 N push @0.5 MPa, while stepping up to an MIC25 raises it to 245.3 N. The adjustable cushion matters most when moving heavy loads at high speeds across the 400 mm stroke, as the needle valve prevents harsh impacts. This unit uses the ISO 6432 mounting interface, dropping directly into standard mini-cylinder brackets and clevises.
Remember that the air cushion only decelerates the piston near the stroke end; it is not a brake. If power drops, the piston drifts and cannot hold a load. For vertical suspension, add an external rod lock or pilot check valve. Choose LB foot, FA flange, or TC trunnion mounts to fit your frame.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC)
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 Use correct back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MIC Cushioned Mini Cylinder MIC20X400U FAQ
This 20 mm bore cylinder features a 1/8" port and an M8x1.25 male rod thread. It generates 157 N push and 131.9 N pull at 0.5 MPa, or 219.8 N push and 184.7 N pull at 0.7 MPa. The theoretical maximum force is 32 kgf at 1.0 MPa.
No, this specific SKU does not include a magnet, so it cannot accept CMSG, DMSG, or EMSG switches. You must select the -S magnet option for sensing. The adjustable air cushions at both ends only decelerate the load near stroke end and do not lock the piston in place.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac MIC Cushioned Mini Cylinder MIC20X400U
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.