Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X250SU
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X250SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø32mm bore and 250mm stroke, G1/8 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ32 mm
- Stroke250 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X250SU
The AirTAC MBLC32X250SU is a double-acting, 32mm bore aluminum mini cylinder with a 250mm stroke. It pushes with 402 N and pulls with 346 N at 0.5 MPa, making it well-suited for mid-range linear actuation over longer travel distances. Unlike the base MBL series, this variant uses a screw-adjustable pneumatic cushion at both ends to smoothly decelerate the piston near the stroke limits, cutting impact and vibration on faster or heavier moves.
The SKU includes a U flat-end back cover for rigid mounting, standard PT tapered porting (G1/8), and a built-in magnet (the -S code) for non-contact position detection. The riveted rolling-packed aluminum barrel keeps the body compact for tight spaces, while the 20 µm hard-chrome plating on the carbon-steel rod defends against wear. It is not an ISO 6432 cylinder; its selling point is compact size paired with tunable end-of-stroke control.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X250SU Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X250SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø32 mm |
| Stroke | 250 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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 MBLC32X250SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 32 | Bore size in mm. |
| ×250 | 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 MBLC32X250SU Is Used
Packaging Conveyor Diverter
Routes cartons at 500 mm/s where the 402 N push force easily deflects packages, while the adjustable cushion prevents end-of-stroke hammering during high-frequency shifts.
CNC Lathe Bar Feeder
Advances 32mm bar stock through a spindle; the 250mm stroke provides ample travel, and the DMSG electronic sensor confirms material feed position.
Vertical Parts Escapement
Indexes small stamped components out of a vibratory bowl; the tunable air cushion allows soft landing at the top of the 250mm stroke to protect delicate tooling.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC32X250SU the Right Cylinder?
At 0.5 MPa, this 32mm bore yields 402 N push and 346 N pull. If your load is lighter, stepping down to the 25mm bore drops the push force to 245 N; if you need more muscle, the 40mm bore jumps to 628 N push. Choose this MBLC over the fixed-bumper MBL when your application runs at higher speeds or cycles frequently and the standard rubber bumper would wear out too quickly. Keep in mind the air cushion only decelerates near the ends; it is not a brake.
With a 250mm stroke on a 12mm rod, side-load tolerance is low. For this length, you should guide the load externally or use a CA/SDB pivot mounting to prevent rod bending. The exact replacement match requires a 32mm bore, 250mm stroke, G1/8 port, PT thread, U flat-end cover, and the -S 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 MBLC32X250SU FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 346 N. At 0.7 MPa, it pushes with 563 N and pulls with 484 N. The maximum theoretical force is 82 kgf at 1.0 MPa operating pressure.
A screw-tunable needle at both ends traps a pocket of exhaust air to decelerate the piston smoothly before the end cover. You dial the needle to match your load and speed, which reduces impact noise and wear compared to a fixed rubber bumper. It only decelerates near the stroke ends and does not lock or hold the load in place.
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