This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ40X160-20, 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 SUJ40X160-20
The AirTAC Airtac SUJ Adjustable Cylinder SUJ40X160-20 is a double-acting profile-type standard cylinder with a Ø40mm bore and 160mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ40X160-20, which matches its bore, stroke, force and mounting.
- BoreØ40 mm
- Stroke160 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- StatusDiscontinued → SAUJ40X160-20
- 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 SUJ40X160-20
The AirTAC SUJ40X160-20 is a double-acting double-rod profile cylinder with an external stop screw that lets you trim the extend stroke by up to 20 mm on-site, yielding a usable 140-160 mm extension out of the 160 mm nominal maximum. This SUJ is discontinued; the direct replacement is the SAUJ40X160-20, matching the bore, stroke, force, port, and FA/LB mounting.
The SAUJ upgrade adopts current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B switches used here. Because this non-magnetic SKU lacks a piston magnet, it cannot take a switch. The stop screw sets the end position but is not a load lock; use an external rod lock for held loads.
Airtac SUJ Adjustable Cylinder SUJ40X160-20 Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ40X160-20 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ40X160-20 |
| Bore size | Ø40 mm |
| Stroke | 160 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 SAUJ40X160-20 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 SAUJ40X160-20 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 SUJ40X160-20
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×160 | 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 SUJ40X160-20 Is Used
Adjustable End-Stop Pressing
Dialing in the exact 140-160 mm extend position on-site for light pressing tasks where a fixed 160 mm stroke would over-travel and damage the workpiece.
Variable Length Diverting
Tuning the pusher extension by up to 20 mm to accommodate different package sizes on a 1/4" port-powered diverting gate without swapping the entire cylinder.
Custom Pitch Sorting
Trimming the extend stroke on the fly to push items into varying lane pitches, using the external stop screw to set precise end positions for each product run.
Replacing the Airtac SUJ Adjustable Cylinder SUJ40X160-20 with the SAUJ40X160-20
To replace the discontinued SUJ40X160-20, specify the SAUJ40X160-20 direct, keeping the 40 mm bore, 160 mm stroke, 1/4" port, and FA/LB mounting. The 20 mm adjust window is ideal when you need field stroke tuning between 140 mm and 160 mm without machining. Since this is a non-magnetic SKU, you cannot add switches; the SAUJ upgrade supports CMSG/DMSG/EMSG sensors (replacing the old CS1-B/DS1-B). For strokes of 300 mm or longer, verify side-load limits to prevent rod binding. Remember, the stop screw sets end position and is not a lock—install an external rod lock for load holding.
Replacement checklist
- ✓ Same bore / stroke → SAUJ40X160-20
- ✓ 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 SUJ40X160-20 FAQ
Yes, the AirTAC SUJ40X160-20 is discontinued. The SAUJ also uses current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B.
The 1/4" port (PT thread) and M12x1.25 rod are standard. The external stop screw provides a 20 mm adjust window, allowing you to trim the 160 mm maximum extend stroke down to 140 mm on-site. The stop sets end position but is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ40X160-20
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ40X160-20 replacement — usually within 7-8 hours.