Airtac SAID40 Double Rod Cylinder SAID40AX175S
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX175S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 175mm 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
- Stroke175 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40AX175S
The AirTAC SAID40X175-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40 mm bore and 175 mm stroke. Because a rod exits both ends, the annulus area is identical on extend and retract, yielding exactly 528 N of force in both directions at 0.5 MPa. This symmetric output is ideal for applications requiring equal push and pull dynamics.
This through-rod configuration allows mounting a primary workpiece on the front while attaching a cam, position flag, or secondary mechanism to the rear. It includes a magnet (-S) for CMSE reed and DMSE electronic sensors, utilizes SUS420J2 stainless steel rods for corrosion resistance, and uses PT tapered port threads. The adjustable air cushions at both ends decelerate the piston near stroke end but do not lock the load when air is removed.
Airtac SAID40 Double Rod Cylinder SAID40AX175S Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX175S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 175 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 SAID40AX175S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×175 | 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 SAID40AX175S Is Used
Symmetric Force Transfer
Drives transfer arms where equal push and pull forces are critical for maintaining consistent cycle times without rebalancing pressure regulators.
Anti-Rotation Slides
The twin-rod design naturally resists torsional twist, keeping guided slides perfectly aligned without needing external linear bearings.
Rear-Rod Position Sensing
Mounts a CMSE or DMSE sensor flag on the rear protruding rod to track stroke position without interfering with the primary front-side tooling.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX175S the Right Cylinder?
Choose this double-rod model over a single-rod SAI when your mechanism requires dual-side guidance, anti-rotation stability, or rear-rod position sensing. If you need higher thrust, stepping up to the 50 mm bore provides 825 N both ways at 0.5 MPa; dropping to the 32 mm bore offers 345 N. The 16 mm rod diameter and M12x1.25 thread handle moderate side loads well, but for this 175 mm stroke, ensure the load is guided externally to prevent rod-bearing bending.
As a true ISO 15552 extruded aluminum profile cylinder, it is dimensionally interchangeable with other ISO 15552 double-rod cylinders. It supports a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR styles. Operating speed ranges from 30-800 mm/s. Remember that a plain SAID drifts when air is lost; use a SAIL or BSAID lock cylinder if the mechanism must hold position without live pressure.
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 SAID40AX175S FAQ
It provides 528 N of force in both extend and retract directions at 0.5 MPa, 739 N at 0.7 MPa, and 950 N at 0.9 MPa. Because it is a double-rod cylinder, the push and pull forces are identical.
Yes, as an ISO 15552 profile cylinder, its mounting footprint is dimensionally interchangeable with other ISO 15552 double-rod cylinders, making it a drop-in replacement for standard machines.
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