This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAUD80X350S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAUD80X350S 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 SUD80X350S
The AirTAC Airtac SUD Series Double Rod Cylinder SUD80X350S is a double-acting profile-type standard cylinder with a Ø80mm bore and 350mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAUD80X350S, which matches its bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke350 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAUD80X350S
About the Airtac SUD Series Double Rod Cylinder SUD80X350S
The AirTAC SUD80X350S is a discontinued double-acting, double-rod profile cylinder featuring a 80mm bore and 350mm stroke. A rod exits both ends on one piston, meaning both faces use the rod-side area and push/pull force is equal both ways (2268N at 0.5MPa). It utilizes an extruded aluminum profile barrel and a 3/8 inch port. As an end-of-life product, the exact drop-in replacement is the SAUD80X350S, which matches the bore, stroke, force, and mounting.
Because the rear rod can carry a sensor cam or drive a second tool simultaneously, this design prevents rotation without external guides. The -S suffix denotes a built-in piston magnet for legacy CS1-B/DS1-B switches, whereas the SAUD replacement uses current CMSG/DMSG/EMSG sensors. For sizing, the safe working load is roughly 1361N (60% of the 0.5MPa force), allowing a vertical lift of about 116kg with a 2:1 margin. Note that air cushions only decelerate near stroke end; an external rod lock is required for held loads.
Airtac SUD Series Double Rod Cylinder SUD80X350S Technical Specifications
| Model | Airtac SUD Series Double Rod Cylinder SUD80X350S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUD80X350S |
| Bore size | Ø80 mm |
| Stroke | 350 mm |
| Acting type | Double acting |
| Port size | 3/8" |
| 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, 28 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAUD80X350S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
The SAUD80X350S 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 SUD80X350S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×350 | 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 SUD80X350S Is Used
Twin-Tool Drive
Drives two separate operations from one piston, using the front rod to push and the rear rod to actuate a secondary mechanism simultaneously.
Anti-Rotation Transfer
Transfers parts along a conveyor without rotational drift, using the dual rods to maintain strict orientation during the 350mm travel.
Symmetric Lift Station
Lifts loads vertically with equal force both ways, ensuring smooth descent and ascent without needing pressure compensation for rod area differences.
Replacing the Airtac SUD Series Double Rod Cylinder SUD80X350S with the SAUD80X350S
To replace this discontinued SUD80X350S, order the drop-in SAUD80X350S, which retains the 3/8 port, M20x1.5 rod thread, and FA/LB mounting. When sizing both ways, verify the equal 2268N force at 0.5MPa is sufficient, or step to the 100mm bore for higher capacity. A double rod is right when you need anti-rotation or a rear cam for sensors. If using the -S magnet, swap legacy CS1-B/DS1-B switches for CMSG/DMSG/EMSG sensors. For this 350mm stroke, add external guides to prevent rod bending under side loads.
Replacement checklist
- ✓ Same bore / stroke → SAUD80X350S
- ✓ 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 SUD80X350S FAQ
Yes, the SUD80X350S is discontinued. The exact drop-in replacement is the SAUD80X350S, which matches the 80mm bore, 350mm stroke, 3/8 port, and FA/LB mounting. You must upgrade the sensors from legacy CS1-B/DS1-B to current CMSG/DMSG/EMSG switches.
The double-rod design provides equal force both ways: 2268N at 0.5MPa, 3175N at 0.7MPa, and 4082N at 0.9MPa. It operates at speeds between 30-800mm/s. The cylinder does not hold loads without live air; cushions only decelerate at stroke end.
Related AirTAC SAU Cylinders
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