Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X350SCA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X350SCA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 350mm stroke, G1/8 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ25 mm
- Stroke350 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 MBLC25X350SCA
The AirTAC MBLC25X350SCA is a double-acting aluminum mini cylinder engineered for compact actuation over a 350 mm travel distance. It integrates a screw-adjustable pneumatic cushion at both stroke ends, allowing you to precisely tune end-of-stroke deceleration to protect the end covers on fast or high-frequency moves. Delivering 245 N of push force and 206 N of pull force at 0.5 MPa, it is built around a riveted rolling-packed aluminum barrel that keeps the body light and spatially efficient rather than relying on heavy rebuildable tie-rods.
This specific configuration includes a CA pivot back cover that swings on a pin to accommodate arcing or angular loads, which is critical for a 350 mm stroke where side-loading is a major concern. The internal piston relies on a heterogeneous two-way grease-retaining seal running against a 20 µm hard-chrome plated carbon-steel rod. The built-in magnet (-S) enables direct position detection using AirTAC CMSG reed or DMSG and EMSG electronic solid-state sensor switches.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X350SCA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X350SCA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 350 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 (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | — |
| Max (@1.0 MPa) | 50 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 MBLC25X350SCA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×350 | 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 MBLC25X350SCA Is Used
Textile Loom Tentering
Drives the tentering frame on a weaving machine, using the 350 mm stroke to stretch fabric widths while the CA pivot absorbs the slight angular misalignment of the guide rails.
Parcel Diverter Arm
Actuates a sorting arm on a logistics conveyor where the 245 N push force redirects lightweight poly mailers, tuned to cushion the rapid 350 mm extension stop.
Tray Pusher Ejection
Pushes empty pallet trays out of a stacking magazine, relying on the DMSG electronic sensor to confirm full ejection at the end of the 350 mm travel.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X350SCA the Right Cylinder?
Selecting this 25 mm bore yields 245 N push at 0.5 MPa. If your application requires less force, stepping down to the 20 mm bore provides 157 N push, while moving up to the 32 mm bore increases output to 402 N. Choose this MBLC variant over the base MBL when your cycle speeds exceed what a fixed rubber bumper can safely absorb. The CA clevis mount is specifically chosen here to articulate and neutralize angular rod stresses inherent to longer strokes.
Because this model features a 350 mm stroke on a Ø10 mm rod, side-load tolerance is low and rod bending is a real risk. You must manage this with an external linear guide, rely on the CA pivot to self-align, or switch to an MBLD double-rod cylinder to prevent binding. Note that the adjustable air cushion only decelerates the piston near the ends; it does not lock or hold position if air pressure is lost. The exact replacement match is: 25 mm bore, 350 mm stroke, G1/8 port, PT thread, CA back cover, and -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 MBLC25X350SCA FAQ
This 25 mm bore cylinder uses a G1/8 port and a Ø10 mm rod with an M10x1.25 thread. At 0.5 MPa it provides 245 N push and 206 N pull. At 0.7 MPa it provides 343 N push and 289 N pull. The maximum theoretical force is 50 kgf at 1.0 MPa.
The cushion is a screw-tunable needle valve at both ends that traps a pocket of exhaust air to decelerate the piston before it hits the end cover. You adjust it to match your load and speed, which reduces impact noise and wear. It is strictly a deceleration device, not a load lock or brake.
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