Airtac MSBL Aluminum Alloy Mini Cylinder MSBL40X100CA
The AirTAC Airtac MSBL Aluminum Alloy Mini Cylinder MSBL40X100CA is a genuine single acting, push (spring return) aluminum-barrel mini round cylinder with a Ø40mm bore and 100mm stroke, G1/4 air ports and a fixed rubber bumper. Air drives the push (work) stroke and the spring returns the rod — it rests retracted on air loss.
- BoreØ40 mm
- Stroke100 mm
- Port sizeG1/4
- Acting typeSingle acting, push (spring return)
- Rod threadM12×1.25
- CushionFixed rubber bumper
About the Airtac MSBL Aluminum Alloy Mini Cylinder MSBL40X100CA
The AirTAC MSBL40X100CA is a compact single-acting push cylinder where air extends the rod and an internal spring retracts it, providing a fail-safe home position on air loss. At its 40mm bore, it delivers a usable push force of 439.6 N at 0.5 MPa and 690.8 N at 0.7 MPa. The 100mm stroke suits longer-travel ejection or gating tasks. This SKU features a CA pivot back cover, meaning the body swings on a pin to accommodate arcing or angular loads during motion.
Because it is single-acting, only one G1/4 air line is needed, driven by a basic 3/2 valve rather than a 5/2. Note this variant lacks the -S magnet, so it cannot accept CMSG, DMSG or EMSG position sensors. The 16mm carbon-steel rod has 20 um hard-chrome plating, and the riveted aluminum barrel uses a fixed rubber bumper to soften end-of-stroke impact instead of an adjustable air cushion.
Airtac MSBL Aluminum Alloy Mini Cylinder MSBL40X100CA Technical Specifications
| Model | Airtac MSBL Aluminum Alloy Mini Cylinder MSBL40X100CA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø40 mm |
| Stroke | 100 mm |
| Acting type | Single acting, push (spring return) |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 800 mm/s |
| Cushion | Fixed rubber bumper |
| Max standard stroke | Up to 150 mm |
Single-acting minimum working pressure is 0.2 MPa (the air must overcome the return spring). Do not apply an external load during the spring return stroke. Thread options: PT / G / NPT.
Usable Push Force (Ø40mm)
| Pressure | Push force (net of spring) |
|---|---|
| 0.5 MPa | 439.6 N |
| 0.7 MPa | 690.8 N |
These are the usable single-acting forces after the return spring — lower than a same-bore double-acting MBL. Size with a margin.
Model Code: Airtac MSBL Aluminum Alloy Mini Cylinder MSBL40X100CA
| MSBL | Single acting, push (spring return) aluminum-barrel mini cylinder. |
|---|---|
| 40 | Bore size in mm (20/25/32/40). |
| ×100 | Stroke length in mm. |
| S | Optional built-in magnet for a CMSG/DMSG/EMSG sensor switch. |
| CA / U | Back cover: CA pivot (clevis) or U flat-end. |
Related: MTBL (single-acting pull), MBL/MBLC (double acting), MBLD (double rod).
Where the Airtac MSBL Aluminum Alloy Mini Cylinder MSBL40X100CA Is Used
Stamping Press Slug Ejection
Uses the 439.6 N push force at 0.5 MPa to knock scrap slugs clear of a stamping die, with the spring ensuring the rod retracts safely away from the tooling during the next cycle.
Woodworking Gate Diversion
Pivots a guide gate on a woodworking conveyor to sort lumber, where the CA clevis accommodates the arcing motion and the fail-safe spring clears the path if air drops.
Packaging Flap Tucking
Extends 100mm to tuck carton flaps on a packaging line, relying on the fixed rubber bumper to absorb the impact without damaging the cardboard surface.
Is the Airtac MSBL Aluminum Alloy Mini Cylinder MSBL40X100CA the Right Cylinder?
This 40mm bore provides the maximum push capacity in the MSBL family, yielding 439.6 N at 0.5 MPa. If you need less force, step down to the 32mm bore (281.3 N at 0.5 MPa); if you require substantially more thrust, you must move out of the single-acting mini range to a double-acting MBL. Remember the minimum operating pressure is 0.2 MPa because air must first overcome the return spring. Never apply external load during the spring return stroke, as the spring only retracts the rod itself.
For a 100mm stroke on a small-bore body, side-load and rod bending risks increase. Use the CA pivot back cover with an external guide or SDB pivot bracket to absorb angular momentum. When replacing this unit, match the 40mm bore, 100mm stroke, G1/4 port, PT thread, CA pivot cover, and confirm no magnet is required.
Quick checklist
- ✓ Usable push force at your pressure (min 0.2 MPa)
- ✓ Fail-safe rest position (retracted)
- ✓ No external load on the spring return stroke
- ✓ 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 0.2 – 1.0 MPa (min 0.2 to overcome the spring).
- check Apply no external load on the spring return stroke.
- check Avoid side load on the piston rod.
- check Use the correct mounting accessory (LB / FA / SDB) and back cover (CA / U).
- check Installation by qualified personnel per AirTAC docs.
Airtac MSBL Aluminum Alloy Mini Cylinder MSBL40X100CA FAQ
The usable push force is 439.6 N at 0.5 MPa and 690.8 N at 0.7 MPa (equivalent to roughly 70.4 kgf). The operating pressure range is 0.2-1.0 MPa, with a 0.2 MPa minimum required to overcome the internal return spring before the rod can extend.
No. This specific SKU lacks the built-in magnet (no -S suffix), so it cannot host AirTAC CMSG reed or DMSG/EMSG electronic switches. If you need position detection, select the MSBL40X100SCA variant instead.
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