This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ40X200-40, 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 SUJ Adjustable Cylinder SUJ40X200-40
The AirTAC Airtac SUJ Adjustable Cylinder SUJ40X200-40 is a double-acting profile-type standard cylinder with a Ø40mm bore and 200mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ40X200-40, which matches its bore, stroke, force and mounting.
- BoreØ40 mm
- Stroke200 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- StatusDiscontinued → SAUJ40X200-40
- 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 SUJ Adjustable Cylinder SUJ40X200-40
The AirTAC SUJ40X200-40 is a double-acting double-rod profile cylinder with an external stop screw that lets you trim the extend stroke by up to 40 mm on-site, giving a usable 160-200 mm window from the 200 mm nominal maximum. This SUJ model is discontinued; the direct replacement is the SAUJ40X200-40, matching the bore, stroke, force, port, and FA/LB mounting.
The stop screw sets the end position but is not a load lock; a plain cylinder drifts on air loss, so use an external rod lock for held loads. Because this SKU lacks a magnet (-S), it cannot take a switch. The SAUJ upgrade switches to current CMSG/DMSG/EMSG sensors from the legacy CS1-B/DS1-B, and the SAU line adds an SAUF built-in-valve variant this series lacked.
Airtac SUJ Adjustable Cylinder SUJ40X200-40 Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ40X200-40 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ40X200-40 |
| Bore size | Ø40 mm |
| Stroke | 200 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| 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 SAUJ40X200-40 carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
The SAUJ40X200-40 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SUJ Adjustable Cylinder SUJ40X200-40
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×200 | 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 SUJ Adjustable Cylinder SUJ40X200-40 Is Used
Variable Pitch Forming
A press fixture that requires tuning the extend stroke on-site by up to 40 mm to accommodate different material thicknesses without swapping the entire cylinder.
Adjustable Transfer Stops
A diverting gate on a packaging line where the 160-200 mm usable extend window allows operators to reposition the hard stop for varying box sizes directly at the machine.
Replacing the Airtac SUJ Adjustable Cylinder SUJ40X200-40 with the SAUJ40X200-40
To replace the discontinued SUJ40X200-40, order the direct replacement SAUJ40X200-40, which preserves the 40 mm bore, 200 mm nominal stroke, 40 mm adjust window, 1/4" port, and FA/LB SC-series mounting. Choose the 40 mm adjust window if you need to trim the extend stroke on-site by up to 40 mm; the stop screw sets end position but is not a lock. If you previously used a -S sensor, note the SAUJ uses current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B. For stroke lengths of 300 mm or more, verify your side-load limits to prevent excessive rod wear.
Replacement checklist
- ✓ Same bore / stroke → SAUJ40X200-40
- ✓ 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 SUJ Adjustable Cylinder SUJ40X200-40 FAQ
Yes, the SUJ40X200-40 is discontinued. The direct replacement is the SAUJ40X200-40, which matches the 40 mm bore, 200 mm stroke, 40 mm adjust window, 1/4" port, and FA/LB mounting. The SAUJ uses current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B.
The external stop screw window is 40 mm, allowing you to trim the extend stroke on-site from the 200 mm maximum down to 160 mm. The stop sets end position and is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ40X200-40
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ40X200-40 replacement — usually within 7-8 hours.