Airtac SAI50 Standard Cylinder SAI50X185
The AirTAC SAI50 Standard Cylinder SAI50X185 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 185mm 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
- Stroke185 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 SAI50X185
The AirTAC SAI50X185 is a double-acting profile cylinder with a 50mm bore and a 185mm stroke, designed to deliver 982N of push force at 0.5 MPa. Because 185mm falls outside the standard manufactured stroke increments, this specific length is produced as a made-to-order non-standard stroke. It features a genuine ISO 15552 extruded aluminum barrel, making it dimensionally interchangeable with other ISO 15552 cylinders for seamless integration.
This model utilizes a standard carbon steel piston rod and PT tapered port threads. While it lacks a built-in magnet for proximity sensing, the extruded barrel includes dual-sided sensor grooves, allowing you to easily add CMSE or DMSE switches if automation feedback becomes necessary later.
Airtac SAI50 Standard Cylinder SAI50X185 Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50X185 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 185 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 SAI50X185
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×185 | 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 SAI50X185 Is Used
Clamping Mechanisms
Provides 982N of thrust at 0.5 MPa, making it ideal for securing medium-sized metal or plastic components during machining and assembly operations.
Package Diverting
The 185mm stroke offers ample extension to push standard cartons off a main conveyor belt line into secondary sorting chutes.
Gate Operation
Actuates medium-sized process gates or machine guards, utilizing the adjustable air cushions at both ends to ensure smooth, impact-free closing.
Is the Airtac SAI50 Standard Cylinder SAI50X185 the Right Cylinder?
If your application requires slightly less force, stepping down to a 40mm bore yields 628N of push force at 0.5 MPa, whereas a 63mm bore provides 1559N for heavier loads. At 185mm of travel, the structural integrity is well within limits, but you should still ensure proper alignment to prevent rod-bearing wear.
This SAI50X185 configuration uses a G1/4 port and M16x1.5 rod thread. It is a pure double-acting actuator, meaning it relies entirely on continuous air pressure to move and hold the load. If your machinery experiences sudden pressure loss, the piston will drift. For fail-safe load holding, consider the SAIL variant with an air-released lock or 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 SAI50X185 FAQ
At a 0.5 MPa operating pressure, this 50mm bore cylinder provides 982N of push force and 825N of pull force. At 0.7 MPa, the push force increases to 1374N.
Yes, the SAI50X185 is built to the ISO 15552 standard, meaning its mounting dimensions are fully interchangeable with other ISO 15552 profile cylinders. You should verify that your port and rod thread specifications match your existing plumbing setup.
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