This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAUD100X125 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAUD100X125 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 SUD100X125
The AirTAC Airtac SUD Series Double Rod Cylinder SUD100X125 is a double-acting profile-type standard cylinder with a Ø100mm bore and 125mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAUD100X125, which matches its bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke125 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAUD100X125
About the Airtac SUD Series Double Rod Cylinder SUD100X125
The AirTAC SUD100X125 is a double-acting, double-rod profile cylinder that is officially discontinued. Its exact drop-in replacement is the SAUD100X125, which retains the 100mm bore, 125mm stroke, 1/2" port, and FA/LB mounting. Because a rod exits both ends on one piston, the push and pull force is equal both ways at 3681 N @0.5 MPa, 5153 N @0.7 MPa, and 6626 N @0.9 MPa.
This design provides inherent anti-rotation stability and allows the back rod to drive a second tool simultaneously. For buyers sizing payloads, the safe working load is roughly 2209 N (60% of the 0.5 MPa force), yielding a vertical lift capacity of about 188 kg with a 2:1 margin. Note that this non-magnetic SKU cannot take a switch, and the air cushion only decelerates near stroke end; an external rod lock is required for load holding.
Airtac SUD Series Double Rod Cylinder SUD100X125 Technical Specifications
| Model | Airtac SUD Series Double Rod Cylinder SUD100X125 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUD100X125 |
| Bore size | Ø100 mm |
| Stroke | 125 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 SAUD100X125 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 SAUD100X125 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 SUD100X125
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×125 | 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 SUD100X125 Is Used
Dual-Tool Machining Station
Drives two opposing tools simultaneously from a single piston, utilising the equal both ways force to maintain perfectly balanced cutting or clamping pressure.
Anti-Rotation Transfer Gate
Uses the twin-rod architecture to prevent mechanical twist during high-speed part diversion, ensuring stable 188kg vertical lift handling without binding.
Compact Profile Elevator
Fits into tight machine cells where a shorter extruded aluminium profile barrel is required, delivering 3681N of equal push and pull force for lifting pallets.
Replacing the Airtac SUD Series Double Rod Cylinder SUD100X125 with the SAUD100X125
To replace the discontinued SUD100X125, order the SAUD100X125 drop-in: it matches the 125mm stroke, 100mm bore, M20x1.5 rod thread, and 1/2" port. Size both ways by checking the 80mm bore (2268/3175/4082 N) or the maximum 1500mm standard stroke limit. Choose a double-rod cylinder when you need equal both ways force, anti-rotation stability, or dual-tool driving. Mounting is limited to Basic, FA, and LB (SC-series compatible only). Because this SKU lacks a magnet (-S), it cannot support legacy CS1-B/DS1-B switches; the SAUD upgrade uses CMSG/DMSG/EMSG sensors. For strokes >=300mm, verify your side-load limits to prevent guide wear. Remember, air cushions only decelerate; use a pilot-operated check valve or external rod lock for load holding.
Replacement checklist
- ✓ Same bore / stroke → SAUD100X125
- ✓ 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 SUD100X125 FAQ
Yes, the SUD100X125 is discontinued. The exact drop-in replacement is the SAUD100X125, which matches the 100mm bore, 125mm stroke, 1/2" port, and FA/LB mounting. The SAUD uses current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B switches.
The 1/2" ported, 25mm double-rod design provides equal force both ways: 3681 N @0.5 MPa, 5153 N @0.7 MPa, and 6626 N @0.9 MPa. This yields a safe working load of 2209 N and a vertical lift capacity of 188kg with a 2:1 margin.
Related AirTAC SAU Cylinders
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