Airtac SAI50 Standard Cylinder SAI50X500S
The AirTAC SAI50 Standard Cylinder SAI50X500S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 500mm 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.
- BoreØ50 mm
- Stroke500 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- 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 SAI50 Standard Cylinder SAI50X500S
The AirTAC SAI50X500-S is a double-acting ISO 15552 profile cylinder featuring a 50mm bore and 500mm stroke. It provides a push force of 982 N and a pull force of 825 N at 0.5 MPa, making it well-suited for moderate-load linear actuation over extended distances. The extruded aluminum barrel design omits tie rods, presenting a cleaner exterior that simplifies tooling integration.
This specific configuration includes a standard carbon steel piston rod and a built-in magnet (-S) for seamless position detection using CMSE or DMSE switches along the dual sensor grooves. It utilizes PT tapered port threads and supports adjustable air cushions at both ends to manage impact deceleration effectively.
Airtac SAI50 Standard Cylinder SAI50X500S Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50X500S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 500 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.
Theoretical Output Force (Ø50mm)
| 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.
Model Code: Airtac SAI50 Standard Cylinder SAI50X500S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×500 | 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 SAI50 Standard Cylinder SAI50X500S Is Used
Material Handling
Ideal for pushing or lifting packages along a conveyor line where the 982N push force easily manages typical box weights over the 500mm travel distance.
Assembly Automation
Provides reliable linear motion for part positioning and clamping in automated assembly stations, utilizing the integrated magnet for end-of-stroke confirmation.
Vertical Lifting
Suitable for elevating lightweight pallets or tote bins, though external guidance is essential here to prevent rod deflection during the 500mm extension.
Is the Airtac SAI50 Standard Cylinder SAI50X500S the Right Cylinder?
When sizing this actuator, note that stepping down to a 40mm bore reduces the 0.5 MPa push force to 628 N, while moving up to a 63mm bore increases it to 1559 N. Given the 500mm stroke, the unsupported piston rod is highly susceptible to bending under side loads; utilizing an external guide rail or a fully guided cylinder is strongly recommended to prevent premature rod-bearing wear.
As a true ISO 15552 profile cylinder, this unit serves as a direct replacement for any standard cylinder matching the 50mm bore, 500mm stroke, and G1/4 port interface, complete with standard mounting accessories like FA flanges or TC trunnions. Note that the standard double-acting design relies on continuous air pressure to maintain position; if the load must be held mechanically during exhaust or pressure loss, specify the SAIL variant with an air-released lock or utilize an external rod lock.
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 SAI50 Standard Cylinder SAI50X500S FAQ
At an operating pressure of 0.5 MPa, the SAI50X500-S generates a push force of 982 N and a pull force of 825 N. At 0.7 MPa, the push force increases to 1374 N.
Yes, the SAI50X500-S is dimensionally interchangeable per ISO 15552. You can drop it in to replace other ISO 15552 profile cylinders with a 50mm bore, 500mm stroke, and G1/4 porting.
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