This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ63X100-20, 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 SUJ63X100-20
The AirTAC Airtac SUJ Adjustable Cylinder SUJ63X100-20 is a double-acting profile-type standard cylinder with a Ø63mm bore and 100mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ63X100-20, which matches its bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke100 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAUJ63X100-20
- 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 SUJ63X100-20
The AirTAC SUJ63X100-20 is a discontinued 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 80-100 mm extension out of the 100 mm nominal maximum. This compact extruded-aluminum barrel is shorter than a standard ISO 15552 unit of the same bore.
Because this SUJ model is end-of-life, the direct replacement is the SAUJ63X100-20, matching the bore, stroke, 3/8" port, and FA/LB mounting. The SAUJ upgrade adopts current CMSG/DMSG/EMSG sensors, replacing the legacy CS1-B/DS1-B switches used here. Note this non-magnet SKU cannot accept a sensor, and the stop screw sets end position only—it is not a load lock; use an external rod lock for held loads.
Airtac SUJ Adjustable Cylinder SUJ63X100-20 Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ63X100-20 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ63X100-20 |
| Bore size | Ø63 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| Port size | 3/8" |
| 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 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAUJ63X100-20 carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
The SAUJ63X100-20 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 SUJ63X100-20
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 63 | 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 SUJ63X100-20 Is Used
Variable Pitch Feed Stops
Adjusting the extend stroke on-site by up to 20 mm allows a single 63 mm bore cylinder to drive parts against different length stops without swapping hardware.
Sorter Diverter Timing
Trimming the extend endpoint lets operators fine-tune the diverter push distance on the fly to accommodate varying package widths on the line.
Packaging Crimp Depth
Field-tuning the 80-100 mm extend window ensures precise sealing jaw closure without reprogramming the machine controller for varied carton sizes.
Replacing the Airtac SUJ Adjustable Cylinder SUJ63X100-20 with the SAUJ63X100-20
To replace the discontinued SUJ63X100-20, specify the SAUJ63X100-20 direct: it preserves the 63 mm bore, 100 mm nominal stroke, 3/8" port, M16x1.5 rod thread, and FA/LB mounting. The -20 mm adjust window is ideal if your end position needs field tuning between 80 mm and 100 mm, often beating a fixed SAU plus an external stop. Because this SKU lacks a magnet, it cannot take sensors; if you need position detection, order the SAUJ with the -S suffix and use CMSG/DMSG/EMSG switches instead of the old CS1-B/DS1-B. For strokes at or above 300 mm, verify side-load limits to prevent guide failure. Finally, the external stop screw merely sets the extend endpoint—it does not hold the load on air loss; add a pilot-operated check valve or external rod lock for vertical holding.
Replacement checklist
- ✓ Same bore / stroke → SAUJ63X100-20
- ✓ 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 SUJ63X100-20 FAQ
Yes, the AirTAC SUJ63X100-20 is discontinued. The direct replacement is the SAUJ63X100-20, which matches the 63 mm bore, 100 mm stroke, 3/8" port, and FA/LB mounting. The SAUJ uses current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B switches.
This double-acting double-rod cylinder has a 20 mm adjust window, allowing the 100 mm extend stroke to be shortened to 80 mm on-site. The 3/8" ported stop screw sets end position but is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ63X100-20
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ63X100-20 replacement — usually within 7-8 hours.