Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X75SU
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X75SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø50mm bore and 75mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ50 mm
- Stroke75 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM14×1.5
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X75SU
The AirTAC MBLC50X75SU is a double-acting, 50 mm bore mini cylinder with a 75 mm stroke. It delivers 981 N of push force and 881 N of pull force at 0.5 MPa. Unlike the base MBL series, this variant uses a screw-adjustable pneumatic air cushion at both ends. This lets you tune the end-of-stroke deceleration to match moving loads, absorbing kinetic energy smoothly rather than slamming into the end covers.
The compact body uses a riveted, rolling-packed aluminum barrel for tight spaces, rather than a bulky rebuildable tie-rod design. Inside, a heterogeneous two-way grease-retaining piston seal works alongside a carbon-steel rod with 20 µm hard-chrome plating. The U code specifies a rigid flat-end back cover for straightforward mounting, while the S code adds a built-in magnet for CMSG, DMSG, or EMSG sensor switches.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X75SU Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X75SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø50 mm |
| Stroke | 75 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 MBLC50X75SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 50 | Bore size in mm. |
| ×75 | 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 MBLC50X75SU Is Used
Bottling Line Diverter
Pushes 981 N at 0.5 MPa to divert heavy crates on a beverage line, using the tunable cushion to stop the 75 mm stroke smoothly without jarring the conveyor frame.
Injection Mold Ejection
Provides a compact 50 mm bore ejection push for plastic parts, where the built-in S magnet confirms full retraction via a DMSG sensor before the mold closes.
Carton Case Packer
Folds flaps on packaging lines at speed, relying on the adjustable air cushion to prevent end-cover impact during high-frequency 75 mm strokes.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X75SU the Right Cylinder?
If you need less force, step down to the 40 mm bore, which provides 628 N of push at 0.5 MPa. If you need more thrust, step up to the 63 mm bore, which provides 1558 N of push at 0.5 MPa. Choose this MBLC cushioned version over the base MBL when your cycle speeds are high or the moved mass is heavy enough that a fixed rubber bumper would wear out too quickly.
This SKU uses a G1/4 port, an M14x1.5 rod-end thread, and PT (tapered) port threads. The U back cover provides a rigid flat-end mount. The S magnet supports AirTAC CMSG (reed), DMSG, and EMSG (electronic) sensor switches. Note that the air cushion only decelerates the piston near the stroke ends; it does not lock the rod. If you need to hold position without live air, use an external rod lock or pilot-operated check valve.
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 MBLC50X75SU FAQ
At 0.5 MPa, the 50 mm bore provides 981 N of push force and 881 N of pull force. At 0.7 MPa, it provides 1374 N of push force. The maximum theoretical force is 200 kgf at 1.0 MPa.
The MBLC50X75SU features a screw-adjustable pneumatic cushion at both ends. You tune the needle valve to trap exhaust air, decelerating the piston smoothly near the stroke ends. This protects the end covers on fast or heavy moves, functioning as a damper rather than a load lock.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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