Airtac SAI50 Standard Cylinder SAI50X35
The AirTAC SAI50 Standard Cylinder SAI50X35 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 35mm 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
- Stroke35 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 SAI50X35
The AirTAC SAI50X35 is a double-acting ISO 15552 profile cylinder featuring a 50mm bore and a 35mm stroke. It generates 982N of push force at 0.5 MPa, making it well-suited for short-travel clamping and ejection tasks. The extruded aluminum barrel is tie-rod-less and integrates standardized mounting dimensions for straightforward machinery integration.
This specific configuration uses a carbon steel piston rod and PT tapered port threads. Without a built-in magnet (-S), it is optimized for purely mechanical actuation. For higher temperature environments up to +70 C, the standard TPU seals can be substituted with Viton (H) or NBR (N) options.
Airtac SAI50 Standard Cylinder SAI50X35 Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50X35 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 35 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 SAI50X35
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×35 | 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 SAI50X35 Is Used
Short-Stroke Clamping
Ideal for holding workpieces firmly in machining or welding fixtures using its 982N push force over a compact 35mm travel.
Product Ejection
Provides rapid, forceful ejection of parts from conveyor lines in packaging and material handling systems.
Gate Diverting
Actuates small sorting gates or pneumatic flaps to direct product flow in light manufacturing environments.
Is the Airtac SAI50 Standard Cylinder SAI50X35 the Right Cylinder?
Select this 50mm bore when a 40mm bore (providing 628N at 0.5 MPa) lacks the necessary power, but you want to avoid the larger footprint of a 63mm bore (1559N). The 35mm stroke is ideal for compact spaces requiring rapid, short linear movement.
As a true ISO 15552 profile cylinder, it serves as a direct replacement for any standard ISO 15552 unit with a 50mm bore, 35mm stroke, G1/4 PT port, and compatible mounting accessories like FA/FB flanges. Note that the standard adjustable air cushions only decelerate the piston at stroke end; they do not hold a load. If your application requires position holding without live air pressure, consider the SAIL (air-released lock) or BSAI (bidirectional clamp-lock) variants.
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 SAI50X35 FAQ
At 0.5 MPa operating pressure, the SAI50X35 delivers a push force of 982N and a pull force of 825N. At 0.7 MPa, the push force increases to 1374N.
Yes, the SAI50X35 is dimensionally interchangeable per ISO 15552. You can drop it in as a replacement for other ISO 15552 profile cylinders with matching 50mm bore, 35mm stroke, and G1/4 port specifications.
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