Airtac SAI40 Standard Air Cylinder SAI40X175S
The AirTAC Airtac SAI40 Standard Air Cylinder SAI40X175S 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
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAI40 Standard Air Cylinder SAI40X175S
The AirTAC SAI40X175-S is a double-acting ISO 15552 profile cylinder engineered to deliver 628 N of push force and 528 N of pull force at 0.5 MPa. Its 175 mm stroke is well-suited for mid-distance indexing and automated ejection tasks. Because this variant includes a magnet (-S), it operates seamlessly with CMSE and DMSE reed switches housed in the dual sensor grooves along the extruded aluminum barrel.
Standard configuration utilizes a robust carbon steel piston rod and a tapered PT port thread. For environments exceeding standard thermal limits, the TPU seals can be swapped for Viton (H) high-temperature alternatives. This genuine AirTAC component provides a dimensionally interchangeable drop-in solution for any standard ISO 15552 mounting footprint.
Airtac SAI40 Standard Air Cylinder SAI40X175S Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40X175S |
|---|---|
| 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 SAI40 Standard Air Cylinder SAI40X175S
| 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 SAI40 Standard Air Cylinder SAI40X175S Is Used
Component Ejection
Provides reliable push force to eject machined parts from a fixture, utilizing the 175 mm stroke to clear the work envelope completely.
Package Diverting
Actuates a routing arm on a packaging line, using the integrated magnet and DMSE sensors to confirm divert position for logistics sorting.
Gate Control
Operates an access gate on an automated manufacturing cell, cycling rapidly within the 30-800 mm/s speed range to maintain process throughput.
Is the Airtac SAI40 Standard Air Cylinder SAI40X175S the Right Cylinder?
Selecting this 40 mm bore is optimal when a 32 mm bore (providing 402 N at 0.5 MPa) lacks sufficient thrust, but a 50 mm bore (delivering 982 N) would be physically oversized. The 175 mm stroke offers extended travel without requiring the full length of a 200 mm unit. To integrate this unit, match the 40 mm bore, 175 mm stroke, G1/4 port, and select appropriate mounting accessories like FA flanges or TC trunnions.
Because the stroke is under 300 mm, rod-bearing bending from side loads is minimal, though external guides remain recommended for heavy off-axis payloads. Note that the standard adjustable air cushions only decelerate the piston near stroke ends; they do not function as a locking mechanism. If your fixture must maintain its position during a complete loss of air pressure, integrate an external pilot-operated check valve or specify the SAIL locking variant.
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 SAI40 Standard Air Cylinder SAI40X175S FAQ
At an operating pressure of 0.5 MPa, this 40 mm bore cylinder generates 628 N of push force and 528 N of pull force. If pressure is increased to 0.7 MPa, the push force rises to 879 N.
Yes, the SAI40X175-S is a true ISO 15552 profile cylinder, making its mounting interface and center distances dimensionally interchangeable with other ISO 15552 cylinders of the same bore and stroke.
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