This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI100X800H, 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 SI100 Standard Cylinder SI100X800H
The AirTAC Airtac SI100 Standard Cylinder SI100X800H is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø100mm bore and 800mm stroke, G1/2 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI100X800H, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke800 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAI100X800H
- 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 SI100 Standard Cylinder SI100X800H
The AirTAC SI100X800H is a discontinued double-acting ISO 15552 profile cylinder with a 100mm bore, 800mm stroke, and Viton H high-temperature seals (0 to 150 C). It delivers 3927 N push and 3681 N pull at 0.5 MPa through a G1/2 port. AirTAC replaced this legacy unit with the SAI100X800H. The SAI is a direct: identical ISO 15552 mounting interface, bore, stroke, force, port and accessories, so it fits existing fixtures perfectly.
The SAI upgrade features a modernized piston seal with two Y-shaped one-way elements for low start-up pressure and extended life. Note this SKU lacks a magnet (-S) and cannot accept a sensor. If you need load holding on air loss, the plain SAI drifts, so consider the SAIL or BSAI lock variants.
Airtac SI100 Standard Cylinder SI100X800H Technical Specifications
| Model | Airtac SI100 Standard Cylinder SI100X800H |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI100X800H |
| Bore size | Ø100 mm |
| Stroke | 800 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 standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The SAI100X800H carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / 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 | |
The SAI100X800H produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI100 Standard Cylinder SI100X800H
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 100 | 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 SI100 Standard Cylinder SI100X800H Is Used
High-Temperature Ejection
Ejecting cast or hot-molded parts safely. The Viton H seals withstand 0-150 C environments while the 3927 N push force clears heavy finished goods from press beds.
Long-Stroke Vertical Lift
Lowering or raising 200 kg platforms over an 800mm travel. Requires external guide rails to prevent rod bending during the extended downward traverse.
Pallet Diverting
Actuating heavy pallet transfer arms on assembly lines. The G1/2 port and 30-800 mm/s speed range provide the rapid, forceful shifting needed for dense loads.
Replacing the Airtac SI100 Standard Cylinder SI100X800H with the SAI100X800H
To replace the SI100X800H, order the SAI100X800H. Verify the ISO 15552 mounting interface (LB, FA, CA, TC, etc.), the G1/2 port, and the M20x1.5 rod thread. Because this 800mm stroke is long, add external guides to prevent rod bending and side-load damage. Sizing both ways: a 100mm bore gives 3927 N push at 0.5 MPa; if you need less force, an 80mm bore yields 2513 N. This non-magnet SKU cannot take CS1-B/DS1-B sensors. The cushion only decelerates; for load holding without live air, use an external rod lock, pilot check valve, or the SAIL/BSAI lock variants. The Viton H seal handles 0-150 C.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI100X800H
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI100 Standard Cylinder SI100X800H FAQ
Yes, the SI100X800H is discontinued. The direct replacement is the SAI100X800H. It shares the exact same ISO 15552 mounting interface, 100mm bore, 800mm stroke, G1/2 port, and Viton H high-temperature seal option, fitting directly into your existing fixtures.
This double-acting cylinder uses a G1/2 air port and an M20x1.5 rod thread. The thrust ratings are: 3927 N push and 3681 N pull at 0.5 MPa; 5497 N push at 0.7 MPa; 7068 N push at 0.9 MPa; and a theoretical maximum force of 801 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI100X800H
Send us the quantity and destination. We confirm price, stock and lead time on the SAI100X800H replacement — usually within 7-8 hours.