This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAUD80X300S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAUD80X300S 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 SUD80X300S
The AirTAC Airtac SUD Series Double Rod Cylinder SUD80X300S is a double-acting profile-type standard cylinder with a Ø80mm bore and 300mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAUD80X300S, which matches its bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke300 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAUD80X300S
About the Airtac SUD Series Double Rod Cylinder SUD80X300S
The AirTAC SUD80X300S is a double-acting, double-rod profile cylinder featuring an extruded aluminium barrel that is notably shorter than an ISO 15552 unit of the same bore. Because a rod exits both ends on a single piston, both faces use the identical rod-side area, generating equal push and pull force of 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa. This specific SUD model is discontinued and end-of-life; the exact drop-in replacement is the SAUD80X300S, which retains the 80 mm bore, 300 mm stroke, 3/8" port, M20x1.5 rod thread, and FA/LB mounting compatibility.
The rear protruding rod provides an anti-rotation benefit and can carry a sensor cam to drive two tools simultaneously, while the built-in magnet (-S) supports legacy CS1-B/DS1-B switches (the SAUD upgrade uses current CMSG/DMSG/EMSG sensors). For sizing, the 2268 N force at 0.5 MPa yields a safe working load of roughly 1361 N, translating to a vertical lift capacity of about 116 kg with a 2:1 margin. Note that the adjustable 28 mm air cushions only decelerate the piston near stroke end; they do not hold loads on air loss, which requires an external rod lock or pilot-operated check valve.
Airtac SUD Series Double Rod Cylinder SUD80X300S Technical Specifications
| Model | Airtac SUD Series Double Rod Cylinder SUD80X300S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUD80X300S |
| Bore size | Ø80 mm |
| Stroke | 300 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 SAUD80X300S 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 SAUD80X300S 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 SUD80X300S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×300 | 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 SUD80X300S Is Used
Dual-End Transfer Pusher
Drives a conveyor transfer carriage from both rod ends simultaneously, ensuring equal force during extension and retraction to push heavy pallets without rotational drift.
Synchronized Machining Clamp
Uses the equal both-ways force to clamp a workpiece from opposing sides, while the rear rod acts as a mechanical cam to trigger a proximity sensor for process validation.
Vertical Lift Gate Actuator
Lifts a 116 kg vertical security gate using the 2268 N force at 0.5 MPa, leveraging the double-rod geometry to prevent the gate from twisting during travel.
Replacing the Airtac SUD Series Double Rod Cylinder SUD80X300S with the SAUD80X300S
To replace the discontinued SUD80X300S, order the drop-in SAUD80X300S, matching the 80 mm bore, 300 mm stroke, 3/8" port, and FA/LB mounting. When sizing both ways, verify the equal push/pull force fits your load (2268 N at 0.5 MPa, 3175 N at 0.7 MPa, 4082 N at 0.9 MPa) or step to neighbouring bores (63 mm or 100 mm) to scale force symmetrically. Choose a double-rod design when you need anti-rotation stability or must drive two mechanisms from one cylinder. If your SUD80X300S uses the -S magnet with legacy CS1-B/DS1-B switches, upgrade to CMSG/DMSG/EMSG sensors for the SAUD. Because the stroke is 300 mm, add external guide rails to prevent rod bending under side loads. For load-holding without live air, install an external rod lock, as cushions only decelerate.
Replacement checklist
- ✓ Same bore / stroke → SAUD80X300S
- ✓ 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 SUD80X300S FAQ
Yes, the SUD80X300S is discontinued. The exact drop-in replacement is the SAUD80X300S, which matches the 80 mm bore, 300 mm stroke, 3/8" port, and FA/LB mounting. You must upgrade the legacy CS1-B/DS1-B sensors to the current CMSG/DMSG/EMSG switches.
The SUD80X300S has a 3/8" port and generates equal force both ways: 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa. It never quotes a larger single-rod push value, as both faces use the identical rod-side area.
Related AirTAC SAU Cylinders
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