
The AirTAC Airtac SAUJ32 Adjustable Stroke Cylinder SAUJ32X190-20 is a genuine double-acting profile-type standard air cylinder with a Ø32mm bore and 190mm stroke, 1/8" 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.
The AirTAC SAUJ32X190-20 is a double-acting single-rod profile cylinder. An external stop screw lets you shorten the extend stroke by up to 20mm on-site, giving a usable working stroke of 170-190mm. The 190mm nominal length serves strictly as the maximum travel. It features a 1/8" port and an M10x1.25 rod thread.
This 32mm bore unit delivers 402N push and 345N pull at 0.5MPa. The extruded aluminum profile barrel makes it shorter than an ISO 15552 cylinder of the same bore. For sizing, the safe working load is roughly 241N, and vertical lift capacity is about 20kg with a 2:1 margin. Note this SKU lacks a magnet, so it cannot accept CMSG or DMSG sensors.
| Model | Airtac SAUJ32 Adjustable Stroke Cylinder SAUJ32X190-20 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø32 mm |
| Stroke | 190 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 stroke | Up to 1000 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAU | Profile-type standard cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×190 | 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.
Drives small grippers where the 20mm external stop screw fine-tunes the jaw opening width precisely during machine commissioning.
Pivots a divert gate on a conveyor. The adjustable end position lets operators tweak the push distance for varying carton sizes.
Ejects machined small components from a fixture. The 170-190mm stroke window allows exact ejection clearance setup on-site.
When sizing, compare neighbouring bores: the 40mm bore raises 0.5MPa push force to 628N, while dropping below 32mm reduces it. Choose this SAUJ model over a fixed SAU when your machine assembly requires precise field stroke tuning without buying a new cylinder. The 20mm adjust window is ideal for minor end-position tweaks. Mounting options include Basic, FA flange, and LB foot, compatible with the AirTAC SC series. Since this SKU has no -S magnet, position sensing is unavailable. For this 190mm stroke, ensure external guide rails carry side loads to prevent piston binding.
Quick checklist
At 0.5MPa it provides 402N push and 345N pull. Push force is 563N at 0.7MPa, 724N at 0.9MPa, and 82kgf at 1.0MPa. The 190mm nominal extend stroke can be shortened by up to 20mm via the external stop screw, yielding a 170-190mm working window. It uses a 1/8" port.
The external stop screw mechanically limits the piston extension, letting you set the exact end position on-site. This stop is not a load lock. A plain cylinder drifts on air loss, and the 21mm air cushion only decelerates near stroke end. For secure load holding, install an external rod lock or pilot-operated check valve.
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