This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ100X75-20, 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 SUJ100X75-20
The AirTAC Airtac SUJ Adjustable Cylinder SUJ100X75-20 is a double-acting profile-type standard cylinder with a Ø100mm bore and 75mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ100X75-20, which matches its bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke75 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAUJ100X75-20
- 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 SUJ100X75-20
The AirTAC SUJ100X75-20 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 55-75 mm stroke from the 75 mm nominal maximum. It features a 1/2" port, an M20x1.5 rod thread, and 29 mm adjustable air cushions at each end.
This SUJ model is discontinued; the direct replacement is the SAUJ100X75-20, matching the bore, stroke, force, port, and FA/LB mounting. The SAUJ upgrades to current CMSG/DMSG/EMSG sensors, whereas this legacy unit used CS1-B/DS1-B switches. As a non-magnetic SKU, this cylinder cannot accept a position 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 SUJ100X75-20 Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ100X75-20 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ100X75-20 |
| Bore size | Ø100 mm |
| Stroke | 75 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 SAUJ100X75-20 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 SAUJ100X75-20 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 SUJ100X75-20
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×75 | 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 SUJ100X75-20 Is Used
Press Fit Tuning
Allows operators to dial in the exact 55-75 mm extend position on-site for pressing bearings without machining hard stops.
Variable Length Diverter
Adjusts the extend stroke up to 20 mm to deflect different package sizes on a packaging line without swapping cylinders.
Adjustable End Stop Pusher
Provides a field-tuned end position for pushing pallets, letting maintenance shorten the stroke by 20 mm as needed.
Replacing the Airtac SUJ Adjustable Cylinder SUJ100X75-20 with the SAUJ100X75-20
To replace the discontinued SUJ100X75-20, select the SAUJ100X75-20 direct, which preserves the 1/2" port, 75 mm nominal stroke, 20 mm adjust window, and FA/LB mounting. Choose the 20 mm adjust window when you need precise on-site end-position tuning between 55 and 75 mm. Because this non-magnetic SKU lacks a sensor piston, you cannot add position switches; the SAUJ upgrade uses CMSG/DMSG/EMSG sensors. For strokes of 300 mm or longer, verify side-load limits to prevent rod binding.
Replacement checklist
- ✓ Same bore / stroke → SAUJ100X75-20
- ✓ 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 SUJ100X75-20 FAQ
Yes, the SUJ100X75-20 is discontinued. The direct replacement is the SAUJ100X75-20, which matches the 100 mm bore, 75 mm stroke, 20 mm adjust window, 1/2" port, and FA/LB mounting. The SAUJ uses current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B switches.
The external stop screw lets you trim the extend stroke by up to 20 mm on-site, giving a usable 55-75 mm stroke from the 75 mm nominal maximum. The stop sets end position but is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ100X75-20
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ100X75-20 replacement — usually within 7-8 hours.