Airtac SAI40 Standard Air Cylinder SAI40BX210S
The AirTAC SAI40 Standard Air Cylinder SAI40BX210S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 210mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ40 mm
- Stroke210 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 SAI40BX210S
The AirTAC SAI40X210-S is a double-acting ISO 15552 profile cylinder built for direct compatibility with standardized mounting interfaces. Delivering 879 N of push force at 0.7 MPa, this 40 mm bore unit is engineered to deliver reliable linear motion across a 210 mm stroke. The extruded aluminum barrel design omits tie rods, providing a clean exterior that resists mechanical interference.
This specific configuration includes a -S magnet for direct mounting of CMSE or DMSE sensor switches along the dual side grooves. Furthermore, it is configured with a SUS304 stainless steel rod (material code B) for superior corrosion resistance, and utilizes PT tapered port threads to ensure a robust, leak-free pneumatic connection.
Airtac SAI40 Standard Air Cylinder SAI40BX210S Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40BX210S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 210 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 SAI40BX210S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×210 | 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 SAI40BX210S Is Used
Component Clamping
Secures machined metal parts during secondary milling operations, utilizing the 879 N push force to maintain rigid positioning against cutting forces.
Package Diverting
Actuates routing gates on automated packaging lines, where the 210 mm stroke provides sufficient travel to redirect heavy cartons between conveyor belts.
Vertical Lifting
Raises lightweight tote bins in storage retrieval systems; the SUS304 rod offers excellent moisture resistance in humid warehouse environments.
Is the Airtac SAI40 Standard Air Cylinder SAI40BX210S the Right Cylinder?
When sizing this actuator, stepping up to the 50 mm bore version increases the 0.5 MPa push force to 982 N, while dropping down to a 32 mm bore reduces it to 402 N. Because this model features a 210 mm stroke, it is highly recommended to evaluate the external guide rail structure to prevent rod-bearing bending under lateral loads. The SAI40X210-S is dimensionally interchangeable per ISO 15552, meaning it maps directly to standard 40 mm bore, 210 mm stroke, G1/4 port, and standard FA/FB flange or TC trunnion accessory dimensions.
Note that the adjustable air cushions at both ends only decelerate the piston near the stroke limits and do not lock the load. If your machinery requires intermediate position holding or failsafe drop prevention upon loss of air pressure, consider deploying the SAIL (air-released lock) or BSAI (bidirectional clamp-lock) variant instead of relying on a standard cylinder.
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 SAI40BX210S FAQ
This cylinder provides a push force of 879 N and a pull force of 528 N at an operating pressure of 0.7 MPa. It operates efficiently within a speed range of 30-800 mm/s.
Yes, the SAI40X210-S is a genuine ISO 15552 profile cylinder, making its mounting interface and envelope dimensions fully interchangeable with other standard ISO 15552 actuators of the same bore and stroke.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac SAI40 Standard Air Cylinder SAI40BX210S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.