Airtac SAI50 Standard Cylinder SAI50X950S
The AirTAC SAI50 Standard Cylinder SAI50X950S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 950mm 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
- Stroke950 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 SAI50X950S
The AirTAC SAI50X950-S is a double-acting ISO 15552 profile cylinder featuring a 50mm bore and a 950mm stroke. It generates a thrust of 982 N at 0.5 MPa, making it well-suited for long-travel material handling. Because the 950mm stroke exceeds the standard 1200mm maximum, it is manufactured as a made-to-order unit to fit specific machinery layouts.
This variant includes a standard carbon steel piston rod and a built-in magnet for position sensing. The extruded aluminum barrel incorporates sensor grooves on both sides, allowing seamless mounting of CMSE or DMSE reed switches along the extended travel path. Standard seals are TPU, but Viton (H) options are available for elevated temperature environments.
Airtac SAI50 Standard Cylinder SAI50X950S Technical Specifications
| Model | Airtac SAI50 Standard Cylinder SAI50X950S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 950 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 SAI50X950S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×950 | 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 SAI50X950S Is Used
Extended Transfer Lines
Drives parts over long distances on packaging and sorting conveyors where a 950mm reach is required to bridge machine gaps.
High-Reach Elevators
Lifts pallets or totes in vertical automated storage systems, utilizing the 982 N push force at 0.5 MPa to elevate goods smoothly.
Large Format Processing
Actuates cutting or stamping heads across wide sheet materials, benefiting from the stable ISO 15552 mounting interface.
Is the Airtac SAI50 Standard Cylinder SAI50X950S the Right Cylinder?
For applications needing less reach, a 50mm bore with a 900mm stroke provides slightly shorter travel while maintaining the same 982 N force at 0.5 MPa. If higher thrust is required, stepping up to the 63mm bore yields 1559 N at 0.5 MPa. The G1/4 PT port ensures adequate airflow for the 30-800 mm/s speed range.
At 950mm, the unsupported rod is highly susceptible to bending under side loads. To prevent premature wear on the rod bearing and seals, use an external guide rail or a guided cylinder mechanism. Note that this unit relies on adjustable air cushions at both ends for deceleration; it does not hold loads pneumatically. If the load must remain suspended during a pressure loss, integrate an external pilot-operated check valve or select the SAIL locking variant.
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 SAI50X950S FAQ
At 0.5 MPa operating pressure, the 50mm bore provides 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 SAI50X950-S is dimensionally interchangeable per ISO 15552. You can drop it in as a replacement for other ISO 15552 profile cylinders, matching the 50mm bore, 950mm stroke, and G1/4 port.
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