Airtac SAID50 Double Rod Cylinder SAID50AX115
The AirTAC Airtac SAID50 Double Rod Cylinder SAID50AX115 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 115mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ50 mm
- Stroke115 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 SAID50 Double Rod Cylinder SAID50AX115
The AirTAC SAID50X115 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 50mm bore and 115mm stroke. Because a rod exits both ends, the annulus area is identical on extend and retract, yielding an equal both-way force of 825N at 0.5 MPa. The rear rod end is perfect for driving a secondary mechanism or mounting a position flag.
This specific configuration utilizes a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance. It includes adjustable air cushioning at both ends (30mm cushion stroke) and features dual-side sensor grooves. You can pair it with CMSE reed or DMSE electronic switches, though note this unit is supplied without a magnet.
Airtac SAID50 Double Rod Cylinder SAID50AX115 Technical Specifications
| Model | Airtac SAID50 Double Rod Cylinder SAID50AX115 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 115 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 SAID50 Double Rod Cylinder SAID50AX115
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×115 | 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 SAID50 Double Rod Cylinder SAID50AX115 Is Used
Symmetric Force Transfer
Delivers equal push and pull forces to move workpieces smoothly in both directions without speed discrepancies.
Anti-Rotation Slides
Twin-rod guidance prevents piston rotation, ensuring precise linear movement for machining and clamping jigs.
Rear-Rod Cam Actuation
The protruding rear rod drives a secondary mechanism or limit flag independently of the primary front load.
Is the Airtac SAID50 Double Rod Cylinder SAID50AX115 the Right Cylinder?
Choose this 50mm bore over the smaller 40mm (528N both ways) when your application demands higher symmetric force, or step up to the 63mm (1402N) for heavier loads. A double-rod design is selected over a single-rod SAI when the mechanism requires dual-side guidance, anti-rotation stability, or rear-rod cam actuation. It uses a PT tapered port thread and operates at 30-800 mm/s.
This cylinder is dimensionally interchangeable per ISO 15552, serving as a drop-in replacement for other ISO 15552 double-rod cylinders. It supports mounting accessories Basic, FA, LB, TC, FTC, TCM1, and TCM2. Note that a plain SAID does not hold its load when air is exhausted; for position holding without live pressure, consider an external rod lock or the BSAID clamp-lock 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 SAID50 Double Rod Cylinder SAID50AX115 FAQ
Because the double-rod design subtracts rod area from both sides, the push and pull forces are equal. It generates 825N at 0.5 MPa, 1154N at 0.7 MPa, and 1484N at 0.9 MPa in both directions.
Yes, the SAID50X115 is dimensionally interchangeable per ISO 15552. It serves as a drop-in replacement for other ISO 15552 double-rod profile cylinders, utilizing a PT port and standard mounting sets like FA, LB, and TC.
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