Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL25X75CA
The AirTAC Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL25X75CA is a genuine single acting, pull (spring extend) aluminum-barrel mini round cylinder with a Ø25mm bore and 75mm stroke, G1/8 air ports and a fixed rubber bumper. Air drives the pull (work) stroke and the spring returns the rod — it rests extended on air loss.
- BoreØ25 mm
- Stroke75 mm
- Port sizeG1/8
- Acting typeSingle acting, pull (spring extend)
- Rod threadM10×1.25
- CushionFixed rubber bumper
About the Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL25X75CA
The AirTAC MTBL25X75CA is a compact single-acting pull-type mini cylinder that uses compressed air to retract the rod, while an internal spring extends it. It delivers a usable pull force of 132.6 N at 0.5 MPa. The 75 mm stroke is well-suited for drawing mechanisms closed over a longer distance. A defined fail-safe extended home means the rod safely projects outward upon air loss or valve shutoff.
This CA variant features a pivot clevis back cover designed to swing on a pin, accommodating arcing or angular loads that a rigid flat-end mount cannot. The riveted rolling-packed aluminum barrel keeps the body light for tight spaces, and the 10 mm carbon-steel rod has a 20 um hard-chrome plating to resist wear. Because this SKU lacks the -S magnet code, it cannot accept a CMSG, DMSG, or EMSG position sensor.
Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL25X75CA Technical Specifications
| Model | Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL25X75CA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 mm |
| Acting type | Single acting, pull (spring extend) |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 100 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 Pull Force (Ø25mm)
| Pressure | Pull force (net of spring) |
|---|---|
| 0.5 MPa | 132.6 N |
| 0.7 MPa | 215.0 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 MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL25X75CA
| MTBL | Single acting, pull (spring extend) aluminum-barrel mini cylinder. |
|---|---|
| 25 | Bore size in mm (20/25/32/40). |
| ×75 | 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: MSBL (single-acting push), MBL/MBLC (double acting), MBLD (double rod).
Where the Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL25X75CA Is Used
Press Die Extraction
Pulls stamped metal sheets out of a press die using 132.6 N of force at 0.5 MPa, with the CA clevis allowing the extractor arm to swing slightly during the 75 mm retraction.
Packaging Lid Puller
Draws carton flaps closed on a packaging line; the spring-extend fail-safe releases the flap outward if the air supply drops, preventing jams.
Textile Tensioning Arm
Tensions fabric webs by pulling the rod in 75 mm; the pivot mount absorbs angular deflection while the spring safely extends to release tension on shutdown.
Is the Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL25X75CA the Right Cylinder?
Choose this 25 mm bore when you need exactly 132.6 N of pull force at 0.5 MPa. If your tensioning task requires less force, step down to the 20 mm bore (84.8 N at 0.5 MPa); if you need to pull heavier loads, step up to the 32 mm bore (224.8 N at 0.5 MPa). Unlike the MSBL push type that fails safe retracted, this MTBL spring-extend model drives to an extended rest when air is removed. It requires a minimum of 0.2 MPa to overcome the return spring and operates via a simple 3/2 valve. Apply no external load during the spring-extend return stroke to avoid damaging the internal mechanism.
For replacement, match the 25 mm bore, 75 mm stroke, G1/8 port, PT thread, and CA pivot back cover. The fixed rubber bumper absorbs end-of-stroke impact without adjustable air cushioning. At a 75 mm stroke on this compact body, the overall length (A + 2 x stroke) increases, so verify your pin-to-pin clearance to prevent rod side-loading and bending during arcing motions.
Quick checklist
- ✓ Usable pull force at your pressure (min 0.2 MPa)
- ✓ Fail-safe rest position (extended)
- ✓ 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 MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL25X75CA FAQ
The usable pull force is 5.7 N at 0.2 MPa, 50.1 N at 0.3 MPa, 91.4 N at 0.4 MPa, 132.6 N at 0.5 MPa, 173.8 N at 0.6 MPa, and 215 N at 0.7 MPa. It requires a minimum operating pressure of 0.2 MPa to overcome the internal return spring, with a maximum operating pressure of 1.0 MPa.
No. This specific SKU lacks the built-in magnet (denoted by -S), so it cannot support AirTAC CMSG reed or DMSG/EMSG electronic sensors. You would need the MTBL25X75SCA variant for position detection. Additionally, the spring-extend function drives the rod to a fail-safe extended home on air loss, rather than holding a mid-stroke position.
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