This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAUD50X190S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAUD50X190S 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 SUD50X190S
The AirTAC Airtac SUD Series Double Rod Cylinder SUD50X190S is a double-acting profile-type standard cylinder with a Ø50mm bore and 190mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAUD50X190S, which matches its bore, stroke, force and mounting.
- BoreØ50 mm
- Stroke190 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAUD50X190S
About the Airtac SUD Series Double Rod Cylinder SUD50X190S
The AirTAC SUD50X190S is a double-acting, double-rod profile cylinder featuring a 50mm bore, 190mm stroke, and a 1/4 inch port. Because a rod exits both ends on a single piston, both faces use the rod-side area, making push and pull force equal at 825N @0.5MPa, 1154N @0.7MPa, and 1484N @0.9MPa. This SUD model is discontinued; the exact drop-in replacement is the SAUD50X190S, which retains the same bore, stroke, force, port, and FA/LB mounting. The extruded aluminium profile barrel is shorter than an ISO 15552 cylinder of the same bore.
The rear rod provides an anti-rotation benefit and can carry a sensor cam for dual-tool driving. This unit includes a piston magnet for legacy CS1-B/DS1-B switches, whereas the SAUD replacement uses current CMSG/DMSG/EMSG sensors. For sizing, the 825N @0.5MPa force yields a safe working load of roughly 495N, capable of a 42kg vertical lift with a 2:1 margin. Note that a plain cylinder drifts on air loss; the air cushion only decelerates near stroke end, so use an external rod lock for held loads.
Airtac SUD Series Double Rod Cylinder SUD50X190S Technical Specifications
| Model | Airtac SUD Series Double Rod Cylinder SUD50X190S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUD50X190S |
| Bore size | Ø50 mm |
| Stroke | 190 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 SAUD50X190S 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 SAUD50X190S 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 SUD50X190S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×190 | 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 SUD50X190S Is Used
Dual-Tool Transfer
Drives two opposing tools simultaneously from both rod ends, utilising the equal both-ways force to push and pull identical loads without stroke variance.
Anti-Rotation Pusher
The twin-rod geometry prevents piston rotation during the extend and retract cycles, ensuring precise linear pushing on packaging lines without torsional deflection.
Symmetric Sorting Gate
Uses the rear exiting rod to carry a sensor cam, allowing external position confirmation from the back while the front rod actuates a sorting diverter.
Replacing the Airtac SUD Series Double Rod Cylinder SUD50X190S with the SAUD50X190S
To replace this discontinued SUD50X190S, use the SAUD50X190S drop-in, matching the 50mm bore, 190mm stroke, 1/4 inch port, and FA/LB mounting. When sizing both ways, verify force across neighbouring bores; this 50mm bore yields equal both-ways force of 825N @0.5MPa, sitting between the 40mm (528N) and 63mm (1402N) options. A double rod is right when you need anti-rotation or a back rod to carry a sensor cam. The -S suffix means a magnet for legacy CS1-B/DS1-B switches; upgrading to the SAUD requires switching to CMSG/DMSG/EMSG sensors. For this 190mm stroke (under 300mm), side-load alignment is less critical than on longer strokes, but always guide the load.
Replacement checklist
- ✓ Same bore / stroke → SAUD50X190S
- ✓ 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 SUD50X190S FAQ
Yes, the SUD50X190S is discontinued. The exact drop-in replacement is the SAUD50X190S, which matches the 50mm bore, 190mm stroke, 1/4 inch port, and FA/LB mounting. You will need to upgrade the legacy CS1-B/DS1-B sensors to the current CMSG/DMSG/EMSG sensors used by the SAUD.
Because it is a double-rod cylinder, the force is equal both ways: 825N @0.5MPa, 1154N @0.7MPa, and 1484N @0.9MPa. The safe working load is approximately 495N, allowing a vertical lift of about 42kg with a 2:1 margin.
Related AirTAC SAU Cylinders
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