Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-50
The AirTAC Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-50 is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 90mm stroke, 1/2" air ports and adjustable end cushioning. Its hard-anodized aluminum-profile barrel is shorter than an ISO 15552 cylinder of the same bore, and it shares SC-series mounting accessories.
- BoreØ100 mm
- Stroke90 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-50
The AirTAC SAUJ100X90-50 is a double-acting, single-rod profile cylinder with an on-site adjustable extend stroke. An external stop screw lets you shorten the 90 mm nominal travel by up to 50 mm, yielding a usable window of 40 to 90 mm. It features a hard-anodized aluminum barrel, making it shorter than an ISO 15552 cylinder of the same bore. The 1/2" port and M20x1.5 rod thread handle heavy loads.
This 100 mm bore generates 3927 N push and 3681 N pull at 0.5 MPa, peaking at 801 kgf at 1.0 MPa. A computed buyer insight suggests a safe working load around 2356 N (60% of the 0.5 MPa push), or a 200 kg vertical lift with a 2:1 margin. It lacks a magnet, so this SKU cannot take a sensor. The stop sets end position but is not a load lock; add an external rod lock for holding.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-50 Technical Specifications
| Model | Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-50 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 90 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 stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAU series datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G (BSPP). A high-temperature seal (0-150 °C) is available.
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 | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-50
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×90 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAU-family variants: SAUD (double rod), SAUJ (adjustable stroke), SAUF (with built-in solenoid valve), and SAU-S with built-in magnet. Seals: TPU (blank) / Viton H / NBR N. Sensor switches: CMSG / DMSG / EMSG.
Where the Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-50 Is Used
Press Fit Tuning
Allows operators to dial in the exact 40 to 90 mm extend position for inserting bearings without changing physical hard stops.
Variable Height Stops
Adjusts the extend end position on-site for packaging machines handling fluctuating pallet heights or product sizes.
Custom Forming Depth
Provides a 50 mm trim window on a heavy forming press, letting builders set precise material bending depths in the field.
Is the Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-50 the Right Cylinder?
Size this 100 mm bore against the 80 mm neighbor (2513 N push at 0.5 MPa) if you need less force, or stick with 100 mm for 3927 N at 0.5 MPa. Choose the SAUJ over a fixed SAU when you need to trim the extend stroke by up to 50 mm on-site without buying a new cylinder. The 50 mm adjust window is ideal for fine-tuning. It supports Basic, FA, and LB mounts, and is compatible with AirTAC SC series mounts. Since this SKU lacks the -S magnet, it cannot accept CMSG or DMSG sensors. For the 90 mm stroke, side-load is minimal, but always guide the load for stability. Note that air cushions only decelerate; use a pilot-operated check valve for load holding.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB — same as SC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-50 FAQ
At 0.5 MPa it provides 3927 N push and 3681 N pull. Push rises to 5497 N at 0.7 MPa and 7068 N at 0.9 MPa. The theoretical max is 801 kgf at 1.0 MPa. The 90 mm nominal extend stroke can be shortened by up to 50 mm via the external stop screw, giving a 40 to 90 mm working range.
This SKU lacks the -S magnet, so it cannot accept CMSG, DMSG, or EMSG sensors. The stop screw only sets the end position; it is not a load lock. The cylinder will drift on air loss, so you must use an external rod lock or pilot-operated check valve to hold a load.
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