This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAUD50X260S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAUD50X260S 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 SUD50X260S
The AirTAC Airtac SUD Series Double Rod Cylinder SUD50X260S is a double-acting profile-type standard cylinder with a Ø50mm bore and 260mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAUD50X260S, which matches its bore, stroke, force and mounting.
- BoreØ50 mm
- Stroke260 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAUD50X260S
About the Airtac SUD Series Double Rod Cylinder SUD50X260S
The AirTAC SUD50X260S is a double-acting, double-rod profile cylinder featuring a 50mm bore and 260mm stroke. A rod exits both ends on a single piston, meaning push and pull force is equal both ways at 825N @0.5 MPa, 1154N @0.7 MPa, and 1484N @0.9 MPa. This SUD model is discontinued; the exact drop-in replacement is the SAUD50X260S, retaining the same 1/4 inch port, M16x1.5 rod thread, and FA/LB mounting. The extruded aluminum profile barrel is shorter than standard cylinders of the same bore.
Because the rear rod can carry a sensor cam or drive a second tool, double-rod designs excel at anti-rotation and synchronized work. The -S suffix indicates a built-in piston magnet for legacy CS1-B/DS1-B switches, which the SAUD replacement upgrades to current CMSG/DMSG/EMSG sensors. For sizing, the 825N @0.5 MPa force yields a safe working load of roughly 495N and a vertical lift capacity of about 42kg with a 2:1 margin. Note that the air cushion only decelerates near stroke end; an external rod lock is required for load holding.
Airtac SUD Series Double Rod Cylinder SUD50X260S Technical Specifications
| Model | Airtac SUD Series Double Rod Cylinder SUD50X260S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUD50X260S |
| Bore size | Ø50 mm |
| Stroke | 260 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M16×1.5 |
| 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, 21 mm |
| Max standard stroke | Up to 1200 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAUD50X260S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
The SAUD50X260S 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 SUD50X260S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×260 | 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 SUD50X260S Is Used
Synchronized Tool Drive
Drives two separate operations simultaneously from one piston, using both extending rods to push opposing tools with equal 825N force at 0.5 MPa.
Anti-Rotation Lift
The dual-rod architecture prevents the piston from twisting during vertical elevation, maintaining precise alignment for delicate payloads without external guides.
Dual-Side Transfer
Transfers workpieces from two parallel conveyor belts at once, utilizing the equal both-ways force to push and retract components symmetrically.
Replacing the Airtac SUD Series Double Rod Cylinder SUD50X260S with the SAUD50X260S
To replace the discontinued SUD50X260S, order the drop-in SAUD50X260S, which matches the 50mm bore, 260mm stroke, 1/4 inch port, and FA/LB mounting. When sizing both ways, verify the equal both-ways force fits your load, or step to neighboring bores (63mm or 40mm) if more or less thrust is needed. Choose a double-rod cylinder when anti-rotation or driving two tools simultaneously is required. If using the -S magnet, remember the SAUD switches from legacy CS1-B/DS1-B to current CMSG/DMSG/EMSG sensors. For this 260mm stroke (which is >=300mm is false, but approaching mid-stroke), ensure adequate side-load guidance to prevent rod binding.
Replacement checklist
- ✓ Same bore / stroke → SAUD50X260S
- ✓ 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 SUD50X260S FAQ
Yes, the SUD50X260S is discontinued. The exact drop-in replacement is the SAUD50X260S, which shares the same 50mm bore, 260mm stroke, 1/4 inch port, and FA/LB mounting. The SAUD also offers the SAUF built-in-valve variant the SU line lacked.
Because it is a double-rod cylinder, force is equal both ways: 825N @0.5 MPa, 1154N @0.7 MPa, and 1484N @0.9 MPa. The air port is 1/4 inch. The piston rod is 20mm with an M16x1.5 thread, and speed ranges from 30-800 mm/s.
Related AirTAC SAU Cylinders
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