Airtac SAI50 Standard Cylinder SAI50X165S
The AirTAC SAI50 Standard Cylinder SAI50X165S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 165mm 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
- Stroke165 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 SAI50X165S
The AirTAC SAI50X165-S is a double-acting ISO 15552 profile cylinder featuring a 50mm bore and a 165mm stroke. It generates 982N of push force and 825N of pull force at 0.5 MPa, making it well-suited for medium-duty industrial handling tasks.
This specific configuration includes a magnetic piston for position sensing with CMSE or DMSE switches, which ride in the dual sensor grooves machined into the extruded aluminum barrel. The piston rod is constructed from standard carbon steel, and the 165mm stroke length is a non-standard, made-to-order dimension tailored for specialized machinery envelopes.
Airtac SAI50 Standard Cylinder SAI50X165S Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50X165S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 165 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 SAI50X165S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×165 | 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 SAI50X165S Is Used
Component Ejection
Provides 982N of push force at 0.5 MPa to positively eject finished parts from a machining center, utilizing the exact 165mm travel distance required by the machine envelope.
Package Diverting
Actuates a diverter arm on a packaging line. The magnetic piston allows DMSE sensors to confirm retracted and extended positions for precise sorting control.
Material Pressing
Applies steady downward pressure for light assembly tasks or pressing bushings, taking advantage of the full 165mm stroke length and adjustable air cushions at both ends.
Is the Airtac SAI50 Standard Cylinder SAI50X165S the Right Cylinder?
If your application requires less force, stepping down to a 40mm bore yields 628N at 0.5 MPa, whereas moving up to a 63mm bore provides 1559N. Because this unit features a 165mm stroke, which exceeds standard increments, it is manufactured as a special order. For any stroke at or above 300mm, you must manage side load to prevent rod-bearing bending, though at 165mm, standard loads are generally safe.
This model uses a PT tapered G1/4 port and mounts via standard ISO 15552 accessories like FA flanges or TC trunnions. Note that air cushions only decelerate the piston at stroke ends; they do not hold loads. If your machine loses air pressure, the rod will drift. For fail-safe holding, specify the SAIL variant with an air-released lock or use an external pilot-operated check valve.
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 SAI50X165S FAQ
At an operating pressure of 0.5 MPa, this 50mm bore cylinder provides a push force of 982N and a pull force of 825N. At 0.7 MPa, the push force increases to 1374N.
Yes, the SAI series is built to the ISO 15552 profile standard, making its mounting interface dimensionally interchangeable with other ISO 15552 cylinders. You can use standard FA, LB, or TC mounting accessories.
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