
The AirTAC SAI50 Standard Cylinder SAI50AX950S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 950mm 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.
The AirTAC SAI50X950-S is a double-acting ISO 15552 profile cylinder featuring a 50 mm bore and a 950 mm stroke. It delivers a robust push force of 1374 N at 0.7 MPa, making it highly suitable for extended travel automation tasks. Because the 950 mm travel exceeds the standard 1200 mm maximum catalog stroke for this bore, it is supplied as a non-standard, made-to-order configuration.
This specific unit includes a piston magnet for use with CMSE and DMSE series sensor switches, which mount neatly into the dual extruded grooves on the aluminum barrel. The rod is constructed from SUS420J2 stainless steel (option A) for enhanced corrosion resistance, and it utilizes PT tapered port threads for a reliable pneumatic connection.
| Model | Airtac SAI50 Standard Cylinder SAI50AX950S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 950 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M16×1.5 |
| 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×950 | 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.
Ideal for actuating large doors or transferring pallets over long conveyor distances where the 950 mm stroke is required.
Provides 1374 N of push force at 0.7 MPa to safely eject heavy molded parts or machined components from a wide work envelope.
The integrated magnet allows precise position tracking across the long stroke, perfect for deep-reach automated storage and retrieval systems.
Selecting this 50 mm bore over the smaller 40 mm bore yields a significant force jump, stepping up from 879 N to 1374 N at 0.7 MPa. If your application requires even greater thrust, consider moving up to the 63 mm bore, which provides 2182 N at the same pressure. The 950 mm stroke on this unit is substantial; for any stroke of 300 mm or longer, you must account for rod-bearing bending under side loads. To prevent premature wear, implement an external linear guide or utilize a fully guided cylinder to handle off-center forces.
As a true ISO 15552 profile cylinder, this model is dimensionally interchangeable with other ISO 15552 cylinders, offering a seamless direct replacement for standard mounting footprints. It utilizes a G1/4 port and supports standard mounting accessories like FA/FB flanges and TC trunnions. Note that the standard double-acting design relies on adjustable air cushions at both ends to decelerate the piston; it does not hold position if air pressure is lost. For load-holding requirements without live pressure, specify the SAIL variant with an air-released lock or use an external rod lock.
Quick checklist
At an operating pressure of 0.7 MPa, this 50 mm bore cylinder generates a push force of 1374 N and a pull force of 825 N.
Yes, the SAI50X950-S is a genuine ISO 15552 profile cylinder, making its mounting interface dimensionally interchangeable with other ISO 15552 compliant cylinders from various brands.
Genuine AirTAC parts produced by AirTAC factory.
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