Airtac SAID100 Double Rod Cylinder SAID100X400
The AirTAC Airtac SAID100 Double Rod Cylinder SAID100X400 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 400mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke400 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 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 SAID100 Double Rod Cylinder SAID100X400
The AirTAC SAID100X400 is a double-acting, double-rod profile cylinder offering a 400mm stroke. Because a carbon steel rod exits both ends, the annulus area is identical on extend and retract, yielding exactly 3681 N of force in each direction at 0.5 MPa. This twin-rod layout is dimensionally interchangeable per ISO 15552 standards.
One rod end drives the primary workpiece while the opposite end can host a cam, position flag, or secondary mechanism. The extruded aluminum barrel features dual-side sensor grooves, and while this variant lacks a magnet for solid-state DMSE switches, it retains adjustable air cushioning at both ends to decelerate the 25mm rods over the 400mm travel.
Airtac SAID100 Double Rod Cylinder SAID100X400 Technical Specifications
| Model | Airtac SAID100 Double Rod Cylinder SAID100X400 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 400 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID100 Double Rod Cylinder SAID100X400
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×400 | 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 SAID100 Double Rod Cylinder SAID100X400 Is Used
Symmetric Force Transfer
Drives a heavy workpiece back and forth with identical 3681 N thrust and pull speed, ensuring cycle times remain perfectly balanced in automated machining cells.
Anti-Rotation Slides
Uses the twin-rod geometry to guide vertical lifting presses, preventing the payload from twisting during the 400mm stroke without needing external linear bearings.
Rear-Tool Actuation
Mounts the primary tool on the front rod and a secondary cam or ejector on the rear protruding rod to operate a secondary mechanism in phase with the main motion.
Is the Airtac SAID100 Double Rod Cylinder SAID100X400 the Right Cylinder?
Choose the 100mm bore when the 80mm version (2268 N at 0.5 MPa) is insufficient, or step down if the 125mm bore is oversized. The twin-rod architecture is selected over a single-rod SAI when an application demands dual-side guidance, strict anti-rotation control, or rear-rod position sensing. To mount this cylinder, use the SAID accessory set: Basic, FA, LB, TC, FTC, TCM1, or TCM2 (FB, CA, CB, and CR are excluded).
At 400mm of travel, the unsupported 25mm rod and M20x1.5 rod thread face increased bending moments under side loads; an external guide bearing is strongly recommended to prevent premature seal wear. Note that a plain SAID does not hold its load if air pressure drops—the adjustable cushion only decelerates the piston near stroke end, so explore a BSAID clamp-lock if fail-safe holding is required.
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 SAID100 Double Rod Cylinder SAID100X400 FAQ
Because the rod occupies both sides of the piston, the effective area is equal in both directions. The cylinder outputs 3681 N at 0.5 MPa, 5153 N at 0.7 MPa, and 6626 N at 0.9 MPa on both extend and retract strokes.
Yes, the SAID100X400 is a profile cylinder with an ISO 15552 mounting interface, making it dimensionally interchangeable with other ISO 15552 double-rod cylinders. It uses a G1/2 port and supports mounting accessories like FA, LB, and TC.
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