Airtac SAID40 Double Rod Cylinder SAID40BX160
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40BX160 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 160mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ40 mm
- Stroke160 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40BX160
The AirTAC SAID40X160 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40mm bore and 160mm stroke. Because a rod exits both end covers, the annulus area is identical on both sides, yielding exactly 528N of force in both extend and retract directions at 0.5 MPa. This symmetry ensures perfectly balanced motion for demanding transfer tasks.
Equipped with a SUS304 stainless steel rod and PT tapered port threads, this variant offers excellent corrosion resistance and secure pneumatic connections. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE solid-state switches, while the rear rod end can drive a secondary mechanism or position flag.
Airtac SAID40 Double Rod Cylinder SAID40BX160 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40BX160 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 160 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID40 Double Rod Cylinder SAID40BX160
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×160 | 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 SAID40 Double Rod Cylinder SAID40BX160 Is Used
Symmetric Transfer Unit
Provides equal 528N force both ways to shuttle parts between two stations without speed variations between extend and retract strokes.
Anti-Rotation Slide
Twin rods exiting both ends keep the load guided and prevent piston rotation during vertical or horizontal pressing movements.
Dual-Side Actuation
Mount the primary tool on the front rod and a secondary cam or position flag on the rear rod to trigger external sensors simultaneously.
Is the Airtac SAID40 Double Rod Cylinder SAID40BX160 the Right Cylinder?
Select this 40mm bore when an application strictly requires equal push and pull forces alongside anti-rotation guidance, stepping down from a 63mm bore (which provides 1402N at 0.5 MPa) for lighter-duty twin-station actuation. A double-rod design is preferred over a single-rod SAI when you need to mount a workpiece on the front rod and a cam or sensor flag on the rear rod. Ensure you specify PT port threads and the correct mounting accessories from the SAID set: Basic, FA, LB, TC, FTC, TCM1, or TCM2 (FB, CA, CB, and CR are omitted from this double-rod series).
For this 160mm stroke, the 16mm rod diameter handles moderate side loads, but always verify rod-bearing bending if the load is offset. Note that a plain SAID cylinder does not hold its position if air pressure is lost; it will drift without live pressure. For dead-end holding requirements, consider an external rod lock, a SAIL pneumatic lock, or a BSAID clamp-lock cylinder. This unit is dimensionally interchangeable per ISO 15552 as a drop-in replacement for other standard double-rod profile cylinders.
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 SAID40 Double Rod Cylinder SAID40BX160 FAQ
Because the rod occupies both sides of the piston, the effective area is the same in both directions. It delivers 528N at 0.5 MPa, 739N at 0.7 MPa, and 950N at 0.9 MPa for both extend and retract strokes.
Yes, the SAID40X160 is a true ISO 15552 profile cylinder, making it dimensionally interchangeable as a drop-in replacement for other ISO 15552 double-rod cylinders. It uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and requires extra rear clearance for the protruding rod.
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