Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X500U
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X500U is a genuine double-acting aluminum-barrel mini round cylinder with a Ø20mm bore and 500mm stroke, G1/8 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ20 mm
- Stroke500 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X500U
The AirTAC MBLC20X500U is a double-acting aluminum mini cylinder with a 20mm bore and 500mm stroke. It generates 157N of push force and 132N of pull force at 0.5 MPa. A defining feature of this variant is the screw-adjustable air cushion at both ends, which decelerates the piston smoothly near stroke limits to cut impact shock on fast or repetitive moves. This U back cover provides a rigid flat-end rear mount.
This model uses a G1/8 port and an Ø8mm carbon-steel rod with 20µm hard-chrome plating for wear resistance. Because this SKU lacks the -S magnet code, it cannot accept a CMSG, DMSG, or EMSG position sensor. The compact riveted rolling-packed aluminum barrel keeps weight down while delivering the longest standard stroke available for this bore size.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X500U Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X500U |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø20 mm |
| Stroke | 500 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| 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 | Rubber bumper (MBLC variant: adjustable air cushion) |
| Max stroke | Up to 500 mm |
Specifications follow the official AirTAC MBL series datasheet. Confirm against the product label before installation. Standard stroke to 500 mm (special order to 800 mm). Thread options: PT / G / NPT.
Theoretical Output Force (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 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 MBLC Aluminum Alloy Mini Air Cylinder MBLC20X500U
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 20 | Bore size in mm. |
| ×500 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: MBLC (adjustable cushion), MBLD (double rod), MBLJ (adjustable stroke), MSBL/MTBL (single acting).
Where the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X500U Is Used
PCB Component Pusher
Pushes electronic connectors along a 500mm path on a PCB assembly line, using the tuned end-cushions to prevent jarring stops that could dislodge delicate surface-mount parts.
Packaging Diverter Arm
Actuates a 500mm diverter gate on a light-goods packaging conveyor, where the adjustable air cushions absorb the kinetic energy of the fast-moving gate at both stroke ends.
Thin-Card Stacking Elevator
Raises and lowers a thin-paper stacking platform in a printing machine, relying on the 157N push force and smooth end-deceleration to maintain stack alignment without bouncing.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X500U the Right Cylinder?
At 0.5 MPa, this 20mm bore yields 157N push and 132N pull. If your application needs less force, there is no smaller bore in the MBL family, so you must reduce pressure. If you need more power, stepping up to the 25mm bore gives you 245N push and 206N pull. Choose this MBLC cushioned version over the base MBL when moving loads at higher speeds or cycling frequently, as the fixed rubber bumper of the MBL cannot absorb the energy that a tuned pneumatic needle can.
Because the 500mm stroke is the maximum standard length for an Ø8mm rod, side-load tolerance is very low. You should use an external guide rail to prevent rod bending and premature seal wear. This plain U back cover is rigid; if your load arcs during travel, switch to a CA pivot clevis or an SDB pivot bracket. Note that the adjustable cushion only decelerates the piston near the ends—it does not hold the load if air pressure drops or the valve centers. For position holding without live air, add an external rod lock.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
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 Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB / FA / SDB) and back cover (CA pivot / U flat-end).
- check Installation by qualified personnel per AirTAC docs.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X500U FAQ
The MBLC20X500U provides 157N push and 132N pull at 0.5 MPa, 220N push and 185N pull at 0.7 MPa, and a maximum theoretical force of 32 kgf at 1.0 MPa. The 500mm stroke is the longest standard length available for this 20mm bore, though special-order strokes up to 800mm are possible.
No, this specific SKU lacks the -S suffix, meaning it has no built-in magnet and cannot accept CMSG, DMSG, or EMSG sensor switches. If you require position feedback, you must select an MBLC20X500S model instead, which includes the magnet for sensor mounting.
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