Airtac SAID50 Double Rod Cylinder SAID50X80
The AirTAC Airtac SAID50 Double Rod Cylinder SAID50X80 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 80mm 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
- Stroke80 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 SAID50X80
The AirTAC SAID50X80 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 50mm bore and 80mm stroke. Because a carbon steel rod exits both end covers, the annulus area is identical on extend and retract, yielding exactly 825N of force in both directions at 0.5MPa. This twin-rod architecture provides superior anti-rotation guidance for loads compared to a single-rod SAI.
The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE solid-state switches. It uses PT G1/4 ports and adjustable air cushions at both ends. Note that the rear rod protrudes during operation, requiring extra clearance, but allowing you to mount a cam, position flag, or secondary tool on the opposite side.
Airtac SAID50 Double Rod Cylinder SAID50X80 Technical Specifications
| Model | Airtac SAID50 Double Rod Cylinder SAID50X80 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 80 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 SAID50X80
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×80 | 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 SAID50X80 Is Used
Symmetric Force Transfer
Ideal for pushing and pulling mechanisms where equal 825N force and speed in both directions are critical for cycle time consistency.
Anti-Rotation Slides
The twin-rod design prevents the load from twisting during transit, providing precise linear guidance without external guides.
Rear-Rod Cam Actuation
The protruding rear rod can independently trigger a limit flag or secondary mechanism while the front rod performs the primary work.
Is the Airtac SAID50 Double Rod Cylinder SAID50X80 the Right Cylinder?
Choose this 50mm bore when an application demands symmetric force and speed both ways, delivering 825N at 0.5MPa. If you need less force, the 40mm neighbor provides 528N; if your payload is heavier, step up to the 63mm bore for 1402N. The double-rod design is specifically selected over a single-rod cylinder when the mechanism requires dual-side guidance to prevent rotation or needs to drive a secondary mechanism from the rear rod.
This cylinder is dimensionally interchangeable per ISO 15552, making it a drop-in replacement for other ISO 15552 double-rod cylinders. Ensure you specify the correct mounting accessories from the SAID set: Basic, FA, LB, TC, FTC, TCM1, or TCM2 (FB, CA, CB, and CR are excluded). Remember that the adjustable cushions only decelerate the piston near stroke end; they do not hold a load. If position holding without air pressure is required, consider the SAIL or BSAID series.
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 SAID50X80 FAQ
Because the double-rod design subtracts the rod area from both sides of the piston, the force is equal in both directions. It delivers 825N at 0.5MPa, 1154N at 0.7MPa, and 1484N at 0.9MPa.
Yes, it is dimensionally interchangeable with ISO 15552 profile cylinders, but the SAID series uses a reduced mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2. It omits the FB, CA, CB, and CR brackets found on single-rod versions.
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