This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAUD40X150S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAUD40X150S in place of this model. The SAU replacement uses the same profile body, bore, stroke, force and SC-series mounting. It moves to the current CMSG / DMSG / EMSG sensor switches (the SU used CS1-B / DS1-B) and adds the SAUF valve-integrated option.
Airtac SUD Series Double Rod Cylinder SUD40X150S
The AirTAC Airtac SUD Series Double Rod Cylinder SUD40X150S is a double-acting profile-type standard cylinder with a Ø40mm bore and 150mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAUD40X150S, which matches its bore, stroke, force and mounting.
- BoreØ40 mm
- Stroke150 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- StatusDiscontinued → SAUD40X150S
About the Airtac SUD Series Double Rod Cylinder SUD40X150S
The AirTAC SUD40X150S is a double-acting, double-rod profile cylinder featuring a 40mm bore, 150mm stroke, and a 1/4" port. Because a rod exits both ends on a single piston, the push and pull forces are equal both ways at 528N @0.5 MPa. This model is discontinued and the exact drop-in replacement is the SAUD40X150S, which retains the same bore, stroke, force, and mounting.
The double-rod design provides anti-rotation stability and allows the back rod to carry a sensor cam for position feedback. With a 528N @0.5 MPa rating, the computed safe working load is approximately 317N, translating to a vertical lift capacity of about 27kg with a 2:1 margin. This SUD40X150S variant includes a piston magnet for legacy CS1-B/DS1-B switches, whereas the SAUD replacement uses current CMSG/DMSG/EMSG sensors.
Airtac SUD Series Double Rod Cylinder SUD40X150S Technical Specifications
| Model | Airtac SUD Series Double Rod Cylinder SUD40X150S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUD40X150S |
| Bore size | Ø40 mm |
| Stroke | 150 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| 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 | Adjustable, 21 mm |
| Max standard stroke | Up to 1200 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAUD40X150S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
The SAUD40X150S produces the same force from the same bore — a true drop-in on output. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SUD Series Double Rod Cylinder SUD40X150S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×150 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Legacy SU-family variants: SUD (double rod), SUJ (adjustable stroke) — each maps to its SAU equivalent (SUD→SAUD, SUJ→SAUJ). The current SAU line adds the SAUF valve-integrated option.
Where the Airtac SUD Series Double Rod Cylinder SUD40X150S Is Used
Transfer Pushers
Synchronised pushing on conveyor lines where the equal both ways force prevents return-stroke lag.
Dual-Tool Driving
Simultaneous operation of two separate machining or gripping tools using both extending rods.
Vertical Lifts
Compact profile lifting in material handling where anti-rotation stability is critical.
Replacing the Airtac SUD Series Double Rod Cylinder SUD40X150S with the SAUD40X150S
To replace the discontinued SUD40X150S, specify the SAUD40X150S as a direct drop-in solution keeping the 40mm bore, 150mm stroke, and 1/4" port. Size both ways by checking neighbouring bores while confirming the equal both ways force meets your requirement. Choose a double-rod cylinder when you need anti-rotation stability or need to drive two tools simultaneously. Mounting is limited to Basic, FA, and LB types (AirTAC SC series compatible only). For this -S model, note the sensor change from legacy CS1-B/DS1-B to CMSG/DMSG/EMSG on the SAU. For strokes >=300mm, verify side-load alignment to prevent guide wear. A plain cylinder does not hold loads on air loss; add an external rod lock for held loads.
Replacement checklist
- ✓ Same bore / stroke → SAUD40X150S
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S): sensor family CS1-B → CMSG
- ✓ Mounting reused (FA/FB/CA/CB/LB)
- ✓ Need a built-in valve? → SAUF
Airtac SUD Series Double Rod Cylinder SUD40X150S FAQ
Yes, the SUD40X150S is discontinued. The exact drop-in replacement is the SAUD40X150S, which matches the 40mm bore, 150mm stroke, 1/4" port, and equal both ways force.
The SUD40X150S provides equal force both ways at 528N @0.5 MPa, 739N @0.7 MPa, and 950N @0.9 MPa. It uses a 1/4" port, features a 16mm rod, and has a 21mm adjustable cushion at each end.
Related AirTAC SAU Cylinders
Request a Quote for the SAUD40X150S
Send us the quantity and destination. We confirm price, stock and lead time on the SAUD40X150S replacement — usually within 7-8 hours.