Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X50U
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X50U is a genuine double-acting aluminum-barrel mini round cylinder with a Ø20mm bore and 50mm 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
- Stroke50 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 MBLC20X50U
The AirTAC MBLC20X50U is a compact double-acting aluminum mini cylinder engineered for tight spaces. It produces 157 N of push force and 132 N of pull force at 0.5 MPa, making it well-suited for 50 mm travel tasks like small component ejection or lightweight gating. Unlike the base MBL series, this variant uses a screw-adjustable pneumatic cushion at both stroke ends, letting you dial in deceleration to protect the end covers on faster, repetitive moves.
This 20 mm bore unit features a Ø8 mm carbon-steel rod with 20 µm hard-chrome plating to resist wear, paired with a heterogeneous two-way grease-retaining piston seal for lasting lubrication. The riveted rolling-packed aluminum barrel keeps the body light and compact. The U flat-end back cover provides rigid rear mounting, and because this specific SKU lacks the -S magnet option, it cannot accept a CMSG, DMSG, or EMSG position sensor.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X50U Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X50U |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø20 mm |
| Stroke | 50 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 MBLC20X50U
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 20 | Bore size in mm. |
| ×50 | 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 MBLC20X50U Is Used
PCB Depaneling Ejector
Uses the 157 N push at 0.5 MPa to snap separated circuit boards from a fixture, with the tuned air cushion ensuring the 50 mm stroke retracts smoothly without jarring the delicate panel edges.
Pharmaceutical Carton Flap
Folds lightweight packaging flaps on a high-speed cartoner where the 132 N pull force is sufficient and the compact 20 mm barrel fits between tight guide rails.
Pick-and-Place Z-Axis
Drives a 50 mm vertical lift for small electronic component placement, relying on the adjustable cushion to brake the downward stroke and prevent end-cover impact at high cycle rates.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC20X50U the Right Cylinder?
For 50 mm travel, stepping down to the 16 mm bore class is not an option in this series, but stepping up to the 25 mm bore yields 245 N of push at 0.5 MPa if your payload requires more force. Choose this MBLC version over the standard MBL when your cycle speed exceeds what a fixed rubber bumper can absorb smoothly. The adjustable needle decelerates the piston near the ends but is not a load lock; the rod will drift if air is lost. Replacement match: 20 mm bore, 50 mm stroke, G1/8 port, PT thread, U flat-end cover, no magnet.
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 MBLC20X50U FAQ
At 0.5 MPa, this 20 mm bore cylinder provides 157 N of push force and 132 N of pull force. At 0.7 MPa, push increases to 220 N. The maximum theoretical force is 32 kgf at 1.0 MPa, with a proof pressure of 1.5 MPa.
No, this specific SKU lacks the built-in -S magnet, so it cannot accept AirTAC CMSG, DMSG, or EMSG sensor switches. You would need the MBLC20X50SU variant for reed or solid-state position detection.
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