AirTAC SUJ80 Adjustable-Stroke Cylinder, 80 mm Bore
Every AirTAC SUJ80 configuration on one page: 10 stock order codes with strokes from 50 to 500 mm, 5 adjustment values (10-75 mm), 1 mounting style and magnet, seal and thread versions, from $109.77. Pick a stroke, adjustment, mounting and version to see the exact order code and price. Discontinued series: orders ship as the SAUJ with the same code.
This combination is not a stock order code. Request a quote and we will confirm availability and price.
- 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 SUJ80
Discontinued: AirTAC has replaced the SUJ series with the SAUJ series. Every SUJ code on this page is supplied as the current SAUJ with the same code after the prefix, for example SUJ80X50-10 ships as SAUJ80X50-10. The specifications on this page are those of the SAUJ you receive.
The AirTAC SUJ80 is a double-rod, double-acting stroke-adjustable standard air cylinder with an 80 mm bore and a 25 mm piston rod. The rod runs through both end covers, so push and pull are equal: 2268 N at 0.5 MPa and 3175 N at 0.7 MPa. The rear rod end carries the stroke adjuster: the travel can be shortened by up to the adjustment amount in the code (10-75 mm across the codes on this page). Force depends on bore and pressure only, so every stroke on this page gives the same output.
All SUJ80 versions share 3/8" air ports, an M20×1.5 rod thread and 28 mm adjustable air cushions. The cylinder runs on filtered air between 0.15 and 1.0 MPa (proof 1.5 MPa), from -20 to +70 °C, at 30 to 800 mm/s. This page lists 10 stock order codes with strokes from 50 to 500 mm; catalog standard strokes run up to 1500 mm.
SUJ80 Technical Specifications
| Bore size | Ø80 mm |
|---|---|
| Stock strokes | 50 – 500 mm |
| Catalog standard stroke | up to 1500 mm (longer on request) |
| Acting type | Double acting, double rod |
| Port size | 3/8" (PT standard) |
| Piston rod / rod thread | Ø25 mm / M20×1.5 |
| Fluid | Air (filtered by 40 µm 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, 28 mm |
Source: official AirTAC SAU series (SAUJ adjustable-stroke version) datasheet. The SUJ series is discontinued; these are the SAUJ specifications.
Theoretical output force (Ø80 mm)
| Pressure | Push | Pull |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | 3175 N |
Both directions act on the bore area minus the Ø25 mm rod area, because the rod passes through both end covers. Usable force is lower because of friction and back-pressure.
How the SUJ80 Order Code Is Built
| SUJ80 | Series and bore (80 mm) |
|---|---|
| X100 | Stroke in mm |
| -10 | Stroke adjustment in mm (10, 20, 40, 50, 75) |
| S | Built-in magnet for position sensors (blank = none) |
| - | Mounting: basic only |
| H / N | Seal: H = FKM, N = NBR (blank = standard seal) |
| G / T | Port thread: G = G (BSPP), T = NPT, blank = PT |
All AirTAC SUJ80 Order Codes (10)
Each order code links to its own datasheet page. Use Select to load it into the configurator above.
| Order code | Stroke (mm) | Adjust (mm) | Mounting · Magnet · Rod material · Seal · Thread | Price | Select |
|---|---|---|---|---|---|
| SUJ80X50-10 | 50 mm | 10 mm | Basic (no mounting) · - · std seal · PT | $109.77 | |
| SUJ80X50-10S | 50 mm | 10 mm | Basic (no mounting) · S · std seal · PT | $115.35 | |
| SUJ80X50-20 | 50 mm | 20 mm | Basic (no mounting) · - · std seal · PT | $109.77 | |
| SUJ80X50-20S | 50 mm | 20 mm | Basic (no mounting) · S · std seal · PT | $115.35 | |
| SUJ80X500-40 | 500 mm | 40 mm | Basic (no mounting) · - · std seal · PT | $199.10 | |
| SUJ80X500-40S | 500 mm | 40 mm | Basic (no mounting) · S · std seal · PT | $204.69 | |
| SUJ80X500-50 | 500 mm | 50 mm | Basic (no mounting) · - · std seal · PT | $199.10 | |
| SUJ80X500-50S | 500 mm | 50 mm | Basic (no mounting) · S · std seal · PT | $204.69 | |
| SUJ80X500-75 | 500 mm | 75 mm | Basic (no mounting) · - · std seal · PT | $199.10 | |
| SUJ80X500-75S | 500 mm | 75 mm | Basic (no mounting) · S · std seal · PT | $204.69 |
Need a combination that is not listed? Request a quote.
Where the SUJ80 Is Used
Heavy pushing and lifting
About 2268 N at 0.5 MPa moves heavy slides, lifts gates and ejects parts.
Clamping and pressing
Rigid mountings for press-fit, riveting and heavy clamping.
Pivoting mechanisms
Clevis and trunnion versions drive levers, dampers and tilting tables.
Choosing the Right SUJ80 Configuration
Start with the stroke. Pick the exact travel your machine needs; a longer stroke adds length, weight and air consumption without adding force. If your length is not listed, request a quote and we will confirm whether it can be built.
Then the stroke adjustment (10-75 mm): pick the amount by which you need to trim the stroke on the machine. The cylinder can be set anywhere between full stroke and full stroke minus that amount.
Then choose the mounting. Basic (no code) uses the cylinder's own mounting holes. Foot and flange mountings hold the cylinder rigid for straight-line loads; clevis and trunnion mountings let it pivot when the load moves in an arc.
Finally pick the version: S adds a magnet for position sensors; the standard seal suits general automation.
AirTAC SUJ80 FAQ
Discontinued: AirTAC has replaced the SUJ series with the SAUJ series. Every SUJ code on this page is supplied as the current SAUJ with the same code after the prefix, for example SUJ80X50-10 ships as SAUJ80X50-10. The specifications on this page are those of the SAUJ you receive.
No. Every SUJ80 gives about 2268 N in both directions at 0.5 MPa, whatever the stroke.
The number after the dash is the adjustable range in mm. An SUJ80X100-50, for example, can be set to any stroke between 50 and 100 mm.
3/8" ports, PT thread as standard.
Basic mounting. Use foot or flange for straight-line loads, clevis or trunnion when the cylinder must pivot.
The standard rod is medium carbon steel. The ordering code also allows A (SUS420J2) and B (SUS304) stainless rods; request a quote for those versions.
Usually yes. Request a quote with the stroke, mounting and version and we will confirm whether it can be built, plus price and lead time.
0.15 to 1.0 MPa operating pressure (proof 1.5 MPa) and -20 to +70 °C on filtered air.
No. You can order a single SUJ80. Orders are processed and handed to the carrier within 3-5 business days.
Buying the SUJ80 from AirtacDistr
Genuine AirTAC parts
Every order code on this page is the AirTAC factory part number. Specifications follow the AirTAC Products Catalog 2026A. About us
Ready in 3-5 business days
That is our time to process the order and hand it to the carrier. No minimum order: a single piece can be ordered.
14-day returns, 1-year warranty
Return within 14 days of delivery; the buyer pays return shipping. The warranty covers defects not caused by misuse. Return policy
Engineering help
Send your application details and we will confirm the right order code, usually within 7-8 hours. Ask us
Page data checked against the live catalog on 2026-11-11.
Request a Quote for the SUJ80
Send the order code, quantity and destination. We confirm price, stock and lead time, usually within 7-8 hours.