This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAUD40X150 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAUD40X150 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 SUD40X150
The AirTAC Airtac SUD Series Double Rod Cylinder SUD40X150 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 SAUD40X150, which matches its bore, stroke, force and mounting.
- BoreØ40 mm
- Stroke150 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- StatusDiscontinued → SAUD40X150
About the Airtac SUD Series Double Rod Cylinder SUD40X150
The AirTAC SUD40X150 is a discontinued double-acting double-rod profile cylinder featuring a 40mm bore, 150mm stroke, and a 1/4 inch air port. A piston rod exits both ends of the extruded aluminium barrel, meaning the push and pull forces are equal both ways at 528N @0.5 MPa, 739N @0.7 MPa, and 950N @0.9 MPa. As this SUD model is end-of-life, the exact drop-in replacement is the SAUD40X150, which retains the identical bore, stroke, force, and FA/LB mounting.
Because the rod-side area drives both faces, equal both-ways force prevents rod snap-back and lets the back rod carry a sensor cam or drive a second tool. The compact profile body is shorter than an ISO 15552 cylinder of the same bore. Based on the 528N @0.5 MPa figure, the safe working load is roughly 317N, yielding a vertical lift capacity of about 27kg with a 2:1 margin. Note this non-magnetic SKU cannot take a sensor, and the air cushion only decelerates near stroke end without holding the load.
Airtac SUD Series Double Rod Cylinder SUD40X150 Technical Specifications
| Model | Airtac SUD Series Double Rod Cylinder SUD40X150 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUD40X150 |
| 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 SAUD40X150 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 SAUD40X150 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 SUD40X150
| 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 SUD40X150 Is Used
Dual-Tool Transfer
Drives two opposing pickers simultaneously from one piston, using the equal both-ways force to push and pull parts across a conveyor belt.
Balanced Vertical Lift
Lifts a 27kg payload with a 2:1 safety margin at 0.5 MPa, using the double-rod geometry to prevent rod snap-back and maintain vertical stability.
Anti-Rotation Clamp
Clamps machined components securely without rotational drift, as the dual rods exiting the profile body prevent torsional movement under pressure.
Replacing the Airtac SUD Series Double Rod Cylinder SUD40X150 with the SAUD40X150
To replace the discontinued SUD40X150, order the drop-in SAUD40X150, which matches the 40mm bore, 150mm stroke, 1/4 inch port, and FA/LB mounting. Size both ways by checking neighbouring bores (32mm or 50mm) against your equal both-ways force needs. Choose a double-rod cylinder when you need anti-rotation stability or want to drive two tools from one piston. For sensing, note this non-magnetic SKU cannot take a switch, whereas the SAUD uses current CMSG/DMSG/EMSG sensors. If your stroke is 300mm or longer, verify the side-load limits to prevent guide wear. A plain cylinder does not hold a load on air loss; use an external rod lock or pilot-operated check valve for held loads.
Replacement checklist
- ✓ Same bore / stroke → SAUD40X150
- ✓ 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 SUD40X150 FAQ
Yes, the SUD40X150 is discontinued. The exact drop-in replacement is the SAUD40X150, which matches the 40mm bore, 150mm stroke, 1/4 inch port, and FA/LB mounting. The SAUD uses current CMSG/DMSG/EMSG sensors, whereas this legacy model used CS1-B/DS1-B.
The SUD40X150 features a 1/4 inch air port and delivers equal both-ways force of 528N @0.5 MPa, 739N @0.7 MPa, and 950N @0.9 MPa. It has a 16mm rod, M12x1.25 rod thread, and adjustable air cushions at both ends.
Related AirTAC SAU Cylinders
Request a Quote for the SAUD40X150
Send us the quantity and destination. We confirm price, stock and lead time on the SAUD40X150 replacement — usually within 7-8 hours.