This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAID80X800, with the same bore, stroke, output force, port and mounting, so it fits the same application. The SAI replacement keeps the same ISO 15552 mounting interface, bore, stroke, output force and accessories, so it drops straight into existing fixtures. It is the current-production version of this cylinder with an upgraded piston seal.
Airtac SID Series Double-Rod Cylinder SID80X800
The AirTAC Airtac SID Series Double-Rod Cylinder SID80X800 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 800mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAID80X800, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke800 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAID80X800
- 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 SID Series Double-Rod Cylinder SID80X800
The AirTAC SID80X800 is a double-acting, double-rod ISO 15552 cylinder where a rod exits both ends on one piston, ensuring push and pull force are equal at 2268 N @0.5 MPa, 3175 N @0.7 MPa, and 4082 N @0.9 MPa. This 80mm bore model features a 25mm rod, M20x1.5 rod thread, G3/8 port, and 36mm adjustable air cushions. The SID line is discontinued; the direct replacement is the SAID80X800, which reuses the exact ISO 15552 mounting interface, bore, stroke, and porting. The SAI upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure and long life.
Because both faces use the rod-side area, force is identical in both directions. This non-magnetic SKU (no -S suffix) cannot accept a sensor switch. A plain cylinder does not hold loads on air loss; the cushion only decelerates near stroke end, so use an external rod lock or SAIL/BSAI variant for held loads.
Airtac SID Series Double-Rod Cylinder SID80X800 Technical Specifications
| Model | Airtac SID Series Double-Rod Cylinder SID80X800 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAID80X800 |
| Bore size | Ø80 mm |
| Stroke | 800 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 standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAID80X800 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / 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 | |
The SAID80X800 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SID Series Double-Rod Cylinder SID80X800
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×800 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Legacy SI-family variants: SID (double rod), SIJ (adjustable stroke) — each maps to its SAI equivalent (SID→SAID, SIJ→SAIJ). Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B).
Where the Airtac SID Series Double-Rod Cylinder SID80X800 Is Used
Dual-Tool Machining Station
Drives two opposing machining heads from a single piston, utilizing the equal both-ways force to maintain consistent cutting pressure on both strokes.
Anti-Rotation Transfer Gate
The twin-rod architecture prevents mechanical twist during rapid part diversion on a 30-800 mm/s conveyor line, ensuring precise alignment without external guides.
Replacing the Airtac SID Series Double-Rod Cylinder SID80X800 with the SAID80X800
To replace the discontinued SID80X800, specify the SAID80X800—inserting an A after the leading S while retaining the 80mm bore, 800mm stroke, and G3/8 port. The SAID family adds the SAIL air-released lock, SAIF built-in 4M valve, and BSAI clamp-lock variants the SI line lacked. Size both directions by matching the equal force (2268 N @0.5 MPa) or step to the 100mm bore (3681 N @0.5 MPa) if higher capacity is needed; the 63mm bore offers 1402 N. A double rod is right when you need anti-rotation stability or must drive two tools from one piston. Reuse FA, LB, or TC mounts via the ISO 15552 interface. For this 800mm stroke, add external guides to prevent rod bending under side loads.
Replacement checklist
- ✓ Same ISO 15552 interface → SAID80X800
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SID Series Double-Rod Cylinder SID80X800 FAQ
Yes, the SID80X800 is discontinued. The direct replacement is the SAID80X800, offering the same ISO 15552 interface, 80mm bore, 800mm stroke, G3/8 port, and equal both-ways force.
Force is equal both ways: 2268 N @0.5 MPa, 3175 N @0.7 MPa, and 4082 N @0.9 MPa. The bore dictates a fixed G3/8 air port, a 25mm rod, M20x1.5 thread, and 36mm adjustable cushions.
Related AirTAC SAI Cylinders
Request a Quote for the SAID80X800
Send us the quantity and destination. We confirm price, stock and lead time on the SAID80X800 replacement — usually within 7-8 hours.