Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL40X100SCA
The AirTAC Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL40X100SCA is a genuine single acting, pull (spring extend) aluminum-barrel mini round cylinder with a Ø40mm bore and 100mm stroke, G1/4 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.
- BoreØ40 mm
- Stroke100 mm
- Port sizeG1/4
- Acting typeSingle acting, pull (spring extend)
- Rod threadM12×1.25
- CushionFixed rubber bumper
About the Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL40X100SCA
The AirTAC MTBL40X100SCA is a compact single-acting pull-type mini cylinder with a 40mm bore and 100mm stroke. Air retracts the M12x1.25 threaded rod while an internal spring extends it, yielding a fail-safe extended home position. It develops a usable pull force of 339.1 N at 0.5 MPa and 550.1 N at 0.7 MPa. The riveted rolling-packed aluminum barrel and 20 um hard-chrome plated carbon-steel rod keep the body light for tight spaces, while the fixed rubber bumper absorbs end-of-stroke impact without adjustable air cushioning.
This SKU includes the CA pivot/clevis back cover, allowing the body to swing on a pin to accommodate arcing angular loads. The built-in magnet (-S) supports position detection via CMSG reed or DMSG and EMSG solid-state switches. Driven by a 3/2 valve through its G1/4 port, the overall length equals A plus 2 x stroke, making the 100mm travel noticeably longer than a double-acting equivalent.
Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL40X100SCA Technical Specifications
| Model | Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL40X100SCA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø40 mm |
| Stroke | 100 mm |
| Acting type | Single acting, pull (spring extend) |
| 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 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 (Ø40mm)
| Pressure | Pull force (net of spring) |
|---|---|
| 0.5 MPa | 339.1 N |
| 0.7 MPa | 550.1 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 MTBL40X100SCA
| MTBL | Single acting, pull (spring extend) 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: MSBL (single-acting push), MBL/MBLC (double acting), MBLD (double rod).
Where the Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL40X100SCA Is Used
Textile Loom Tensioning
Pulls a yarn tensioning arm inward against a stop, using the 339.1 N force at 0.5 MPa to maintain thread tightness during weaving.
Pallet Door Latching
Draws a heavy palletizing door closed via the CA pivot clevis, swinging safely outward to an extended rest position if the 0.2 MPa air supply drops.
PCB Router Clamp
Retracts a clamping jaw on a 100mm stroke to release a printed circuit board routing fixture, signaling position to a DMSG electronic sensor.
Is the Airtac MTBL Single Acting Aluminum Alloy Mini Cylinder MTBL40X100SCA the Right Cylinder?
This 40mm bore generates 339.1 N of pull force at 0.5 MPa. If you need less force, the 32mm bore neighbor provides 224.8 N at 0.5 MPa; stepping up is impossible as 40mm is the largest single-acting MBL bore. Choose the MTBL pull-type when your mechanism must fail-safe to the extended position on air loss, unlike the MSBL which fails-safe retracted. For applications needing force on both strokes without a spring, use the double-acting MBL.
A minimum 0.2 MPa operating pressure is required to overcome the return spring. Ensure no extra external load is applied during the spring-extend return stroke. At 100mm stroke on this small bore, the extended rod is prone to bending; use a guide or mount the CA clevis to absorb lateral stress. To replace: match the 40mm bore, 100mm stroke, G1/4 port, PT thread, CA pivot back cover, and the -S magnet.
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 MTBL40X100SCA FAQ
It operates on 0.2-1.0 MPa air pressure with a minimum of 0.2 MPa to overcome the spring. The usable pull force is 22.6 N at 0.2 MPa, 339.1 N at 0.5 MPa, and 550.1 N at 0.7 MPa. The maximum force is 550.1 N (about 56 kgf).
It is single-acting pull, spring-extend: air retracts the rod, but on air loss the spring drives it to a fail-safe extended home. The -S built-in magnet works with CMSG reed or DMSG and EMSG electronic switches to detect this extended or retracted position.
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