This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU50X270SH, with the same bore, stroke, output force, port and mounting, so it fits the same application. 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 SU32~50 Standard Cylinder SU50X270SH
The AirTAC SU32~50 Standard Cylinder SU50X270SH is a double-acting profile-type standard cylinder with a Ø50mm bore and 270mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU50X270SH, which matches its bore, stroke, force and mounting.
- BoreØ50 mm
- Stroke270 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU50X270SH
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SU32~50 Standard Cylinder SU50X270SH
The AirTAC SU50X270SH is a discontinued double-acting profile-type cylinder with a 50mm bore, 270mm stroke, and a high-temperature Viton H seal rated for 0 to 150 C. Delivering 982 N of push force at 0.5 MPa, it features an extruded aluminum barrel with adjustable air cushions at both ends. AirTAC replaced this EOL unit with the SAU50X270SH, a direct replacement retaining the exact bore, stroke, 1/4" port, M16x1.5 rod thread, and SC-series mounting compatibility.
When upgrading to the SAU50X270SH, the body dimensions and 200 kgf maximum force remain identical. The key change is that your legacy CS1-B/DS1-B switches are superseded by the current CMSG/DMSG/EMSG sensor family. Note that the SAU family also introduces the SAUF variant with a built-in 4M solenoid valve, an option the original SU line never offered.
Airtac SU32~50 Standard Cylinder SU50X270SH Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU50X270SH |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU50X270SH |
| Bore size | Ø50 mm |
| Stroke | 270 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 SAU50X270SH 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 SAU50X270SH produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SU32~50 Standard Cylinder SU50X270SH
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×270 | 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 SU32~50 Standard Cylinder SU50X270SH Is Used
High-Temperature Ejection
Ideal for pushing parts out of heated molds or ovens where the Viton H seal survives continuous ambient heat up to 150 C without degrading.
Mid-Stroke Clamping
Secures workpieces of varying widths in machining fixtures where a 50mm bore delivers 982 N of clamping force at 0.5 MPa.
Replacing the Airtac SU32~50 Standard Cylinder SU50X270SH with the SAU50X270SH
To replace the SU50X270SH, order the SAU50X270SH and verify your 1/4" port threads (PT, G, or NPT) along with your SC-series mounting brackets (LB, FA, FB, CA, CB, or TC). Because this SKU includes the -S magnet, you must account for the sensor family change: the old CS1-B/DS1-B switches will not fit the new groove, so plan to upgrade to CMSG, DMSG, or EMSG sensors. The -H Viton seal is preserved for environments up to 150 C. For loads requiring 1374 N of push force at 0.7 MPa, this 50mm bore is correct, but if you need less force, step down to a 40mm bore (628 N push at 0.5 MPa); if you need more, step up to a 63mm bore (1559 N push at 0.5 MPa). Since the 270mm stroke is under 300mm, rod bending is less critical, but always guide the load to prevent side-loading. Remember that a standard cylinder does not hold load on air loss; the cushion only decelerates near the stroke end, so add an external rod lock or pilot-operated check valve if you need fail-safe holding.
Replacement checklist
- ✓ Same bore / stroke → SAU50X270SH
- ✓ 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 SU32~50 Standard Cylinder SU50X270SH FAQ
Yes, the SU50X270SH is discontinued. The direct replacement is the AirTAC SAU50X270SH. It shares the identical 50mm bore, 270mm stroke, 1/4" port, M16x1.5 rod thread, and SC-series mounting accessories. The primary upgrade requirement is swapping legacy CS1-B/DS1-B sensors for the modern CMSG/DMSG/EMSG family.
This double-acting cylinder has a 1/4" air port. It generates 982 N of push force and 825 N of pull force at 0.5 MPa. At 0.7 MPa, the push force is 1374 N, and the theoretical maximum force is 200 kgf at 1.0 MPa. The operating speed ranges from 30-800 mm/s.
Related AirTAC SAU Cylinders
Request a Quote for the SAU50X270SH
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