This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the drop-in replacement SAUJ40X100-100, 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 SUJ40X100-100
The AirTAC Airtac SUJ Adjustable Cylinder SUJ40X100-100 is a double-acting profile-type standard cylinder with a Ø40mm bore and 100mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAUJ40X100-100, which matches its bore, stroke, force and mounting.
- BoreØ40 mm
- Stroke100 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- StatusDiscontinued → SAUJ40X100-100
- 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 SUJ40X100-100
The AirTAC SUJ40X100-100 is a double-acting single-rod profile cylinder with an adjustable stroke, allowing you to trim the extend stroke by up to 100 mm on-site via an external stop screw. The nominal 100 mm stroke is the maximum, yielding a usable extend window of 0-100 mm. This bore delivers 628 N push and 528 N pull at 0.5 MPa, rising to 879 N push at 0.7 MPa. It features a 1/4" port, a 16 mm rod, and 21 mm adjustable cushions at each end.
This SUJ model is discontinued; the exact drop-in replacement is the SAUJ40X100-100, which preserves the bore, stroke, force, port, and FA/LB mounting. The SAUJ upgrade uses current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B switches used here. For sizing, a safe working load is roughly 377 N (60% of the 0.5 MPa push), equating to a 32 kg vertical lift with a 2:1 margin. Note this non-magnet version cannot take a sensor, and the stop screw sets end position but is not a load lock.
Airtac SUJ Adjustable Cylinder SUJ40X100-100 Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ40X100-100 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ40X100-100 |
| Bore size | Ø40 mm |
| Stroke | 100 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 SAUJ40X100-100 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 SAUJ40X100-100 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 SUJ Adjustable Cylinder SUJ40X100-100
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×100 | 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 SUJ40X100-100 Is Used
Variable Depth Drilling Jigs
Allows operators to dial in the exact extend stop for different material thicknesses on the fly, trimming up to 100 mm of stroke without swapping cylinders.
Adjustable Diverter Arms
Provides field-tunable routing for varying package sizes on a line, using the external stop to set the precise protrusion distance needed.
Custom Length Pin Insertion
Delivers accurate insertion depth for fasteners or pins where the required extension varies between product variants on the same fixture.
Replacing the Airtac SUJ Adjustable Cylinder SUJ40X100-100 with the SAUJ40X100-100
To replace this discontinued SUJ40X100-100, select the SAUJ40X100-100 drop-in, ensuring you migrate from legacy CS1-B/DS1-B sensors to current CMSG/DMSG/EMSG switches if your application previously used a magnet-equipped variant (note this specific SKU has no magnet and cannot take a switch). Size both ways using the 0.5 MPa forces: step down to a 32 mm bore for 402 N push if loads are lighter, or step up to a 50 mm bore for 982 N push if you need more force. The 100 mm adjust window is ideal when exact extend endpoints vary, letting you trim up to 100 mm on-site rather than machining external stops. Mounting remains compatible with AirTAC SC series FA and LB brackets. For strokes of 300 mm or longer, carefully verify side-load limits to prevent rod binding. The stop screw only sets the end position; it is not a lock, so add an external rod lock for held loads.
Replacement checklist
- ✓ Same bore / stroke → SAUJ40X100-100
- ✓ 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 SUJ40X100-100 FAQ
Yes, the SUJ40X100-100 is discontinued. The exact drop-in replacement is the SAUJ40X100-100, which matches the 40 mm bore, 100 mm stroke, 628 N push force at 0.5 MPa, and 1/4" port. The SAUJ also supports the current CMSG/DMSG/EMSG sensors and the SAUF built-in-valve variant.
It is a double-acting single-rod cylinder with a 1/4" port and a 16 mm rod. Force is 628 N push and 528 N pull at 0.5 MPa, 879 N push at 0.7 MPa, and 1130 N push at 0.9 MPa, with a theoretical max of 128 kgf. The nominal 100 mm stroke is the maximum, and the external stop screw allows you to trim the extend stroke by up to 100 mm on-site. The stop sets end position and is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ40X100-100
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