Airtac SAID80 Double Rod Cylinder SAID80BX700
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80BX700 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 700mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke700 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
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About the Airtac SAID80 Double Rod Cylinder SAID80BX700
The AirTAC SAID80X700 is a double-acting, double-rod ISO 15552 profile cylinder engineered for symmetric actuation. Because the piston rod extends from both end covers, the annulus area is identical on both sides, yielding an equal extend and retract force of 2268 N at 0.5 MPa. This through-rod architecture allows you to mount a primary workpiece on the front and a rear cam or position flag on the opposite end without sacrificing stroke length.
This specific configuration features a SUS304 stainless steel rod for superior corrosion resistance and pairs with PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Note that the rear rod protrudes past the back cover during operation, requiring appropriate clearance in your machine layout.
Airtac SAID80 Double Rod Cylinder SAID80BX700 Technical Specifications
| Model | Airtac SAID80 Double Rod Cylinder SAID80BX700 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 700 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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, 36 mm |
| Max stroke | Up to 1500 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID80 Double Rod Cylinder SAID80BX700
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×700 | 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 SAID80 Double Rod Cylinder SAID80BX700 Is Used
Symmetric Force Transfer
Drives a transfer carriage with identical push and pull thrust, ensuring consistent acceleration and deceleration cycles without requiring pressure compensation.
Anti-Rotation Slides
The twin-rod geometry prevents mechanical twisting on long 700mm strokes, maintaining precise linear tracking for heavy sliding gates.
Rear-Sensing Actuation
Mounts the primary tool on the front rod while using the rear protruding rod end to trigger a physical limit switch or mount a secondary cam.
Is the Airtac SAID80 Double Rod Cylinder SAID80BX700 the Right Cylinder?
Selecting this 80mm bore over the neighboring 63mm variant steps the both-direction force up from 1402 N to 2268 N at 0.5 MPa, while dropping down to a 100mm bore would raise it to 3681 N. A twin-rod design is chosen over a single-rod SAI when the application demands dual-side guidance, anti-rotation stability, or a secondary rear-rod output. To replace an existing ISO 15552 cylinder, match the 80mm bore, 700mm stroke, PT port threads, and your required mounting accessory from the SAID set: Basic, FA, LB, TC, FTC, TCM1, or TCM2.
With a 700mm stroke, the unsupported rod length increases the risk of bearing bending under side loads; an external guide rail is highly recommended to prevent premature seal wear. Furthermore, the adjustable air cushions at both ends only decelerate the piston near stroke end and do not hold the load if air pressure is lost. For position holding without live pressure, consider a SAIL lock cylinder, a BSAID clamp-lock, or 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 SAID80 Double Rod Cylinder SAID80BX700 FAQ
Because it is a double-rod cylinder, the effective piston area is the same in both directions. It provides an equal push and pull force of 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa.
Yes, the SAID80X700 is dimensionally interchangeable per ISO 15552. You can drop it in as a replacement for other ISO 15552 profile cylinders by matching the 80mm bore, 700mm stroke, PT ports, and mounting dimensions, though you must ensure rear-rod clearance.
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