Airtac SAID32 Double Rod Cylinder SAID32X850
The AirTAC SAID32 Double Rod Cylinder SAID32X850 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 850mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ32 mm
- Stroke850 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
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About the Airtac SAID32 Double Rod Cylinder SAID32X850
The AirTAC SAID32X850 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 32mm bore and an 850mm stroke. Because the piston rod extends from both end covers, the annulus area is identical on both sides, yielding exactly 483N of force in both extend and retract directions at 0.7 MPa. This through-rod geometry provides superior anti-rotation guidance compared to a single-rod SAI.
This configuration uses a standard carbon steel rod and PT tapered port threads. Without the -S magnet option, it relies on external mechanical flags rather than internal CMSE or DMSE switches. The extruded aluminum barrel includes dual sensor grooves, and the rear rod protrusion requires extra clearance in your machine layout.
Airtac SAID32 Double Rod Cylinder SAID32X850 Technical Specifications
| Model | Airtac SAID32 Double Rod Cylinder SAID32X850 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 850 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| 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, 27 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 346 N | 346 N |
| 0.7 MPa | 484 N | — |
| Max (@1.0 MPa) | 70 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID32 Double Rod Cylinder SAID32X850
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×850 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAID32 Double Rod Cylinder SAID32X850 Is Used
Symmetric Force Transfer
Drives a secondary mechanism from the rear rod end while the front end executes the primary work, ensuring perfectly balanced 483N force and speed in both directions.
Anti-Rotation Slides
The twin-rod design resists torsional twisting on long 850mm strokes, keeping guided loads perfectly straight without needing external linear bearings.
Through-Rod Sensing
Mounts a physical cam or limit flag on the protruding rear rod to trigger external mechanical switches, bypassing the need for the internal -S magnet.
Is the Airtac SAID32 Double Rod Cylinder SAID32X850 the Right Cylinder?
Choose this 32mm bore when an application demands symmetric force and twin-side actuation, stepping up from smaller bores if 345N at 0.5 MPa is insufficient, or stepping down from a 40mm bore (528N at 0.5 MPa) to save space. At 850mm, this long stroke approaches the 1000mm maximum for this bore, meaning the 12mm rod is highly susceptible to bending under side loads; an external guide bearing is mandatory to prevent rod deformation and premature seal failure.
Remember that the adjustable air cushions at both ends only decelerate the piston near stroke end and do not hold the load if air pressure drops. For position holding without live pressure, consider a SAIL lock cylinder or an external pilot-operated check valve. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR variants found on single-rod versions.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/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/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAID32 Double Rod Cylinder SAID32X850 FAQ
Because it is a double-rod cylinder, the effective piston area is identical on both sides. It provides an equal force of 345N at 0.5 MPa, 483N at 0.7 MPa, and 621N at 0.9 MPa in both the extend and retract directions.
Yes, the SAID32X850 is dimensionally interchangeable per ISO 15552 mounting interface dimensions. It serves as a direct replacement for other ISO 15552 profile double-rod cylinders, provided your layout accommodates the rear rod protrusion.
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