Airtac SAI50 Standard Cylinder SAI50BX35
The AirTAC Airtac SAI50 Standard Cylinder SAI50BX35 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 SAI50BX35
The AirTAC SAI50X35 is a double-acting ISO 15552 profile cylinder engineered for compact actuation, delivering a push force of 982 N at 0.5 MPa. Its 35 mm stroke provides precise short-travel movement for mid-range automation tasks.
This specific configuration features a SUS304 stainless steel piston rod (material code B) for superior corrosion resistance, alongside PT tapered port threads. As a genuine AirTAC component, it ensures reliable direct compatibility with standardized ISO 15552 mounting dimensions.
Airtac SAI50 Standard Cylinder SAI50BX35 Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50BX35 |
|---|---|
| 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 SAI50BX35
| 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 SAI50BX35 Is Used
Short-Stroke Clamping
Provides robust 982 N holding force for securing heavy metal workpieces during CNC machining operations.
Package Ejection
Delivers rapid 35 mm ejection strokes to push mid-weight cartons off processing lines without overshooting.
Material Forming
Applies steady pneumatic pressure for light-duty bending or stamping tasks requiring a corrosion-resistant SUS304 rod.
Is the Airtac SAI50 Standard Cylinder SAI50BX35 the Right Cylinder?
Choose this 50 mm bore when an application requires more power than a 40 mm bore (which provides 628 N at 0.5 MPa) but has spatial constraints that prevent stepping up to a 63 mm bore (1559 N at 0.5 MPa). The 35 mm stroke is optimal for brief, high-force clamping or ejecting operations.
For installations requiring position holding upon air pressure loss, note that the standard SAI cylinder will drift; utilize the SAIL variant with an air-released lock or an external pilot-operated check valve. Ensure proper ISO 15552 matching by pairing this unit with FA or FB flange accessories, PT port fittings, and a non-magnetized setup unless position sensing is added.
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 SAI50BX35 FAQ
At 0.5 MPa operating pressure, this 50 mm bore cylinder 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 SAI50X35 is dimensionally interchangeable per ISO 15552. It serves as a direct replacement for other ISO 15552 profile cylinders, matching standard mounting interfaces and G1/4 port sizes.
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