This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAID200X80S, 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 SID200X80S
The AirTAC Airtac SID Series Double-Rod Cylinder SID200X80S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø200mm bore and 80mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAID200X80S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ200 mm
- Stroke80 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAID200X80S
- 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 SID200X80S
The AirTAC SID200X80S is a discontinued double-acting, double-rod ISO 15552 cylinder where a rod exits both ends on one piston. Both faces use the rod-side area, making push and pull force equal at 15080 N @0.5 MPa, 21110 N @0.7 MPa, and 27141 N @0.9 MPa. It features a 200mm bore, 40mm rod, M36x2 thread, G3/4 port, and 50mm adjustable cushions. The direct replacement is the SAID200X80S, which reuses the exact ISO 15552 mounting interface and adds an upgraded piston seal with two Y-shaped one-way elements for lower start-up pressure.
Because the second rod prevents piston rod deflection, this model is ideal for anti-rotation duties or driving two tools simultaneously. A rear rod can also carry a sensor cam. The -S suffix indicates a built-in piston magnet for legacy CS1-B/DS1-B switches. Note that 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 SID200X80S Technical Specifications
| Model | Airtac SID Series Double-Rod Cylinder SID200X80S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAID200X80S |
| Bore size | Ø200 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2.0 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAID200X80S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
The SAID200X80S 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 SID200X80S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 200 | Bore size in mm. |
| ×80 | 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 SID200X80S Is Used
Multi-Spindle Drilling Head
Drives two opposing machining tools simultaneously from a single piston, utilizing the equal both-ways force to maintain balanced cutting pressure on both ends.
Anti-Rotation Transfer Pusher
The twin-rod geometry prevents piston rotation during rapid part transfer across a conveyor, ensuring the end-of-stroke tooling stays perfectly aligned without external guides.
Replacing the Airtac SID Series Double-Rod Cylinder SID200X80S with the SAID200X80S
To replace the discontinued SID200X80S, install the SAID200X80S directly—it matches the 200mm bore, 80mm stroke, G3/4 port, and ISO 15552 mounting dimensions (Basic, FA, LB, TC). When sizing both ways, verify the equal push/pull force fits your load; if you need less force, step down to the 160mm bore (9425 N @0.5 MPa), or step up if exceeding limits. Choose a double-rod cylinder when you need anti-rotation, to drive two tools, or to mount a rear sensor cam. The -S magnet enables position sensing. For this 80mm stroke, side-load is minimal, but for any stroke >=300mm, ensure guide alignment to prevent binding. Operating speed is 30-500 mm/s.
Replacement checklist
- ✓ Same ISO 15552 interface → SAID200X80S
- ✓ 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 SID200X80S FAQ
Yes, the AirTAC SID200X80S is discontinued. The direct replacement is the SAID200X80S. It shares the same ISO 15552 interface, 200mm bore, 80mm stroke, G3/4 port, and mounting options, but features an upgraded piston seal for longer life.
Force is equal both ways because it is a double-rod cylinder: 15080 N @0.5 MPa, 21110 N @0.7 MPa, and 27141 N @0.9 MPa. The air port is G3/4, the rod is 40mm with an M36x2 thread, adjustable cushion is 50mm, and speed is 30-500 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the SAID200X80S
Send us the quantity and destination. We confirm price, stock and lead time on the SAID200X80S replacement — usually within 7-8 hours.