
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80X175 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 175mm 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.
The AirTAC SAID80X175 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 80 mm bore and 175 mm stroke. Because a piston rod exits both end covers, the annulus area is identical on extend and retract. This yields equal force and speed in both directions, generating 2268 N at 0.5 MPa and 3175 N at 0.7 MPa each way. The standard carbon steel rod and PT tapered port threads ensure robust load handling.
A defining benefit of the twin-rod design is dual-side guidance. You can mount the primary workpiece on one rod end and attach a cam, position flag, or secondary drive on the opposite end. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches, though this specific configuration ships without a magnet. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
| Model | Airtac SAID80 Double Rod Cylinder SAID80X175 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 175 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.
| 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.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×175 | 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.
Drives a push-pull mechanism where the 2268 N output must remain identical in both directions, preventing speed variations caused by unequal piston areas.
Operates two linked stations simultaneously by mounting a tool on one rod end and a secondary mechanism or position flag on the opposing rear rod.
Guides heavy sliding fixtures against rotational torque, using the dual-rod structure to keep the load perfectly stable throughout the 175 mm travel.
Choose this 80 mm bore when an application demands symmetric force and inherent anti-rotation resistance that a single-rod SAI cannot provide. If you need less force, stepping down to the 63 mm bore yields 1402 N at 0.5 MPa each way. For heavier loads, the 100 mm bore provides 3681 N at 0.5 MPa. Because the stroke is 175 mm, side-load bending on the rod bearing is moderate, but external guides are recommended if carrying an off-center load.
As a double-acting double-rod cylinder, the SAID80X175 will drift if air pressure is lost or the valve is centered; the adjustable air cushions only decelerate the piston near stroke end and do not hold the load. For position holding without live pressure, consider a SAIL lock, BSAID clamp-lock, or an external rod lock. This model is dimensionally interchangeable per ISO 15552, offering a drop-in replacement for other ISO 15552 double-rod cylinders using the correct PT port and mounting accessories.
Quick checklist
The SAID80X175 double-rod cylinder provides equal force in both extend and retract directions due to the twin rods. It delivers 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa.
Yes, the SAID80X175 is dimensionally interchangeable per ISO 15552 and serves as a drop-in replacement for other ISO 15552 double-rod cylinders. It uses a G3/8 port and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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