This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAUD100X40S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAUD100X40S 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 SUD100X40S
The AirTAC Airtac SUD Series Double Rod Cylinder SUD100X40S is a double-acting profile-type standard cylinder with a Ø100mm bore and 40mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAUD100X40S, which matches its bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke40 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAUD100X40S
About the Airtac SUD Series Double Rod Cylinder SUD100X40S
The AirTAC SUD100X40S is a discontinued double-acting profile cylinder featuring a 100mm bore and 40mm stroke. A piston rod exits both ends, ensuring equal force in both directions (3681N at 0.5MPa) via the matching rod-side areas. The exact drop-in replacement is the SAUD100X40S, retaining the 1/2 inch port, M20x1.5 rod thread, and FA/LB mounting. The rear rod also acts as a sensor cam for legacy CS1-B/DS1-B switches.
For sizing, the safe working load is roughly 2209N (60 percent of the 0.5MPa force), allowing a vertical lift of about 188kg with a 2:1 margin. The SAUD upgrade switches to current CMSG/DMSG/EMSG sensors. Note that air cushions only decelerate the piston near stroke end; an external rod lock is required to hold loads without live air.
Airtac SUD Series Double Rod Cylinder SUD100X40S Technical Specifications
| Model | Airtac SUD Series Double Rod Cylinder SUD100X40S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUD100X40S |
| Bore size | Ø100 mm |
| Stroke | 40 mm |
| Acting type | Double acting |
| Port size | 1/2" |
| Rod thread | M20×1.5 |
| 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, 29 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAUD100X40S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
The SAUD100X40S 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 SUD100X40S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×40 | 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 SUD100X40S Is Used
Dual-Tool Machining Station
Drives two opposing machining heads simultaneously from a single piston, utilizing the equal both-ways force to maintain balanced cutting pressure.
Anti-Rotation Transfer Gate
Uses the twin rods exiting both ends to prevent mechanical rotation during heavy part diversion on a 100mm bore packaging line.
Symmetric Pallet Lift
Lifts pallets vertically with a safe working load near 2209N, relying on the stable profile barrel and equal push/pull dynamics for smooth descent.
Replacing the Airtac SUD Series Double Rod Cylinder SUD100X40S with the SAUD100X40S
To replace the discontinued SUD100X40S, use the SAUD100X40S drop-in, which matches the 100mm bore, 40mm stroke, 1/2 inch port, and FA/LB mounting. Because force is equal both ways, size it by checking the 3681N (@0.5MPa) rating against both extend and retract needs, or step to neighbouring bores if margins require. A double rod is right when you need anti-rotation stability or must drive two tools from one piston. The -S suffix means the magnet works with legacy CS1-B/DS1-B switches; the SAUD replacement requires CMSG/DMSG/EMSG sensors. For this 40mm stroke, side-load is minimal, but for any stroke over 300mm, add guide rails to prevent binding.
Replacement checklist
- ✓ Same bore / stroke → SAUD100X40S
- ✓ 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 SUD100X40S FAQ
Yes, the SUD100X40S is discontinued. The exact drop-in replacement is the SAUD100X40S, which matches the 100mm bore, 40mm stroke, 1/2 inch port, and FA/LB mounting. You only need to update the legacy CS1-B/DS1-B sensors to the current CMSG/DMSG/EMSG models.
Because it is a double-rod cylinder, force is equal both ways: 3681N at 0.5MPa, 5153N at 0.7MPa, and 6626N at 0.9MPa. It operates at speeds of 30-800mm/s and features a 29mm adjustable air cushion at each end.
Related AirTAC SAU Cylinders
Request a Quote for the SAUD100X40S
Send us the quantity and destination. We confirm price, stock and lead time on the SAUD100X40S replacement — usually within 7-8 hours.