Airtac SAI50 Standard Cylinder SAI50AX120
The AirTAC SAI50 Standard Cylinder SAI50AX120 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 120mm 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
- Stroke120 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 SAI50AX120
The AirTAC SAI50X120 is a double-acting ISO 15552 profile cylinder engineered to deliver 982 N of push thrust at 0.5 MPa. Its 120 mm stroke is perfectly sized for medium-travel material handling and packaging tasks. Built with an extruded aluminum barrel, this unit completely omits traditional tie-rods for a sleek, integrated profile.
This specific configuration features a SUS420J2 stainless steel piston rod (option A) for superior corrosion resistance in humid environments. It utilizes PT tapered port threads, and because a magnet is not specified, it operates without integrated sensor tracking. For high-temperature environments up to 70 C, the standard TPU seals provide reliable service.
Airtac SAI50 Standard Cylinder SAI50AX120 Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50AX120 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 120 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 SAI50AX120
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×120 | 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 SAI50AX120 Is Used
Package Diverting
Provides the 982 N force needed to push medium-weight cardboard cartons cleanly off a high-speed conveyor line.
Component Pressing
Delivers consistent 120 mm travel to seat bearings and bushings into light-duty housings without damaging surrounding parts.
Pallet Stops
Acts as a robust pneumatic stop gate for low-profile pallets, utilizing its SUS420J2 rod to withstand occasional washdowns.
Is the Airtac SAI50 Standard Cylinder SAI50AX120 the Right Cylinder?
Select this 50 mm bore when an application requires around 982 N of push force at 0.5 MPa. If your payload is lighter, stepping down to the 40 mm bore yields 628 N, while heavier loads up to 1374 N require stepping up to the 63 mm variant at the same pressure. Because the stroke is 120 mm, side-load stress on the rod bearing is minimal, though external guides should still carry the primary load.
As a true ISO 15552 profile cylinder, it offers a direct replacement for any standard ISO 15552 mounting interface. Ensure you specify PT port threads, an appropriate mounting accessory like an FA flange or TC trunnion, and note that this unit lacks a magnet for position sensing. If your machinery loses air pressure, this cylinder will not hold its load; use the SAIL variant with an air-released lock for fail-safe positioning.
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 SAI50AX120 FAQ
At an operating pressure of 0.5 MPa, this 50 mm bore cylinder generates 982 N of push force and 825 N of pull force. At 0.7 MPa, the push force increases to 1374 N.
Yes. The SAI50X120 is a genuine ISO 15552 profile cylinder, making its mounting dimensions completely interchangeable with other ISO 15552 cylinders. Simply match your 50 mm bore, 120 mm stroke, and G1/4 port size.
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