This model is discontinued
AirTAC has phased out the MTAL series. You can still order this code here: we ship the direct replacement MTBL40X20SU, with the same bore, stroke, output force, port and mounting, so it fits the same application. The replacement upgrades to a riveted rolling-packed body and CMSG / DMSG / EMSG sensors (the MAL used CS1-M / DS1-M).
Airtac MTAL Rear Single Acting Mini Cylinder MTAL40X20SU
The AirTAC Airtac MTAL Rear Single Acting Mini Cylinder MTAL40X20SU is a single acting, pull (spring extend) aluminum-barrel mini cylinder with a Ø40mm bore and 20mm stroke, G1/4 ports and a fixed rubber bumper. Air drives the pull (work) stroke and the spring returns the rod — it rests extended on air loss. This model is discontinued; the direct replacement is the AIRTACMTBLREARSINGLEACTINGMINICYLINDERMTBL40X20SU.
- BoreØ40 mm
- Stroke20 mm
- Port sizeG1/4
- Acting typeSingle acting, pull (spring extend)
- Rod threadM12×1.25
- StatusDiscontinued → AIRTACMTBLREARSINGLEACTINGMINICYLINDERMTBL40X20SU
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MTAL Rear Single Acting Mini Cylinder MTAL40X20SU
The AirTAC MTAL40X20SU is a discontinued single-acting pull-type, spring-extend mini cylinder. Air retracts the rod to perform work, while an internal spring extends it back out. It delivers a usable pull force of 439.4 N at 0.5 MPa. The direct replacement is the MTBL40X20SU, matching the 40mm bore, 20mm stroke, G1/4 port, and U back cover.
This unit features a 16mm carbon-steel rod with a 20um hard chrome plating and a heterogeneous grease-retaining seal. The MTAL uses threaded covers and a CS1-M / DS1-M magnet switch, whereas the MTBL upgrade features a riveted rolling-packed body and CMSG / DMSG / EMSG sensors. A fixed rubber bumper absorbs end-of-stroke impact, and the fail-safe home position is extended.
Airtac MTAL Rear Single Acting Mini Cylinder MTAL40X20SU Technical Specifications
| Model | Airtac MTAL Rear Single Acting Mini Cylinder MTAL40X20SU |
|---|---|
| Series | MAL single-acting mini cylinder (discontinued) |
| Replacement | AIRTACMTBLREARSINGLEACTINGMINICYLINDERMTBL40X20SU |
| Bore size | Ø40 mm |
| Stroke | 20 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. The AIRTACMTBLREARSINGLEACTINGMINICYLINDERMTBL40X20SU carries the same single-acting ratings.
Usable Pull Force (Ø40mm)
| Pressure | Pull force (net of spring) |
|---|---|
| 0.5 MPa | 439.4 N |
| 0.7 MPa | 650.4 N |
Usable single-acting force after the return spring — lower than a same-bore double-acting cylinder. Size with a margin.
Model Code: Airtac MTAL Rear Single Acting Mini Cylinder MTAL40X20SU
| MTAL | Single acting, pull (spring extend) aluminum-barrel mini cylinder (discontinued). |
|---|---|
| 40 | Bore size in mm (20/25/32/40). |
| ×20 | Stroke length in mm. |
| S | Optional magnet for a CS1-M / DS1-M sensor (MTBL uses CMSG/DMSG/EMSG). |
| CA / U / CM | Back cover: CA pivot, U flat-end or CM round-end. |
Replacement: MTAL → MTBL. Related: MSAL/MSBL (single-acting push), MAL/MBL (double acting).
Where the Airtac MTAL Rear Single Acting Mini Cylinder MTAL40X20SU Is Used
Injection Mold Ejection
Pulls a mold ejector pin back 20mm against 439.4N at 0.5MPa, spring-extending to a safe home on air loss.
Packaging Flap Tension
Maintains 650.4N of draw-bar tension at 0.7MPa during carton sealing, releasing safely when air drops.
Press Brake Tool Clamp
Retracts a heavy punch holder using its 16mm rod, relying on the fixed rubber bumper to absorb tool impacts.
Replacing the Airtac MTAL Rear Single Acting Mini Cylinder MTAL40X20SU with AIRTACMTBLREARSINGLEACTINGMINICYLINDERMTBL40X20SU
To replace the MTAL40X20SU, order the MTBL40X20SU. Confirm the 40mm bore, 20mm stroke, G1/4 port, PT thread, U flat-end back cover, and magnet. The -S magnet upgrade changes the sensor family from CS1-M / DS1-M to CMSG / DMSG / EMSG. Maintain a minimum 0.2 MPa operating pressure and apply no external load on the spring-extend stroke.
If sizing down, the 32mm bore neighbor provides 261.2 N of pull at 0.5 MPa. If sizing up, the 40mm is the largest available MTAL bore, offering 650.4 N at 0.7 MPa. The fail-safe home is extended, so use an external device if you need to hold a load mid-stroke.
Upgrade checklist
- ✓ Order the AIRTACMTBLREARSINGLEACTINGMINICYLINDERMTBL40X20SU (same bore/stroke/force)
- ✓ Same pull direction and extended fail-safe home
- ✓ Min 0.2 MPa; no external load on the spring return
- ✓ Sensor: swap CS1-M/DS1-M → CMSG/DMSG/EMSG
- ✓ Confirm back cover (CA / U) and thread (PT/NPT/G)
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 Front/rear covers are threaded — not for field disassembly.
- check For new builds, specify the AIRTACMTBLREARSINGLEACTINGMINICYLINDERMTBL40X20SU instead of this discontinued model.
Airtac MTAL Rear Single Acting Mini Cylinder MTAL40X20SU FAQ
Yes, the MTAL40X20SU is discontinued. The direct replacement is the MTBL40X20SU, matching the 40mm bore, 20mm stroke, G1/4 port, and U back cover. The MTBL upgrades the body to a riveted rolling-packed design and changes the magnet sensors from CS1-M / DS1-M to CMSG / DMSG / EMSG.
The usable pull force is 439.4 N at 0.5 MPa and 650.4 N at 0.7 MPa (max 66.36 kgf). It operates between 0.2-1.0 MPa, requires a minimum of 0.2 MPa to overcome the return spring, and runs at 50-800 mm/s. The fail-safe home is extended.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Direct Upgrade
The AIRTACMTBLREARSINGLEACTINGMINICYLINDERMTBL40X20SU replaces this model 1:1.
Fast Dispatch
MTBL replacements are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Recommended MTBL Replacements
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