This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160BX800S, 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 SI160 Standard Cylinder SI160BX800S
The AirTAC SI160 Standard Cylinder SI160BX800S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 800mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160BX800S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke800 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160BX800S
- 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 SI160 Standard Cylinder SI160BX800S
The AirTAC SI160BX800S is a discontinued double-acting ISO 15552 profile cylinder featuring a 160mm bore, 800mm stroke, and a SUS304 stainless steel piston rod. Delivering 10053N push force at 0.5MPa, it is directly replaced by the SAI160BX800S. This direct upgrade shares the exact ISO 15552 mounting interface, G3/4 port, and M36x2 rod thread, fitting existing fixtures seamlessly.
The SAI upgrade introduces a two-piece Y-shaped piston seal for low start-up pressure and extended life. The original SI -S magnet supports CS1-B/DS1-B sensors, while the SAI family adds SAIL lock and BSAI clamp-lock variants absent in the legacy line.
Airtac SI160 Standard Cylinder SI160BX800S Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160BX800S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160BX800S |
| Bore size | Ø160 mm |
| Stroke | 800 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 SAI160BX800S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
The SAI160BX800S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SI160 Standard Cylinder SI160BX800S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | 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 SI160 Standard Cylinder SI160BX800S Is Used
Heavy Stamp Press Feed
Drives robust 800mm displacement cycles to feed thick metal sheets into high-tonnage stamping presses using the 10053N push force.
Pallet Discharge Ejector
Pushes loaded pallets smoothly out of wrapping stations, utilizing the 50mm adjustable cushions to decelerate heavy 512kg loads.
Large Mold Handling
Moves heavy injection molds along 800mm travel, relying on the SUS304 stainless rod for corrosion resistance in humid production environments.
Replacing the Airtac SI160 Standard Cylinder SI160BX800S with the SAI160BX800S
To replace the SI160BX800S, order the SAI160BX800S keeping the identical 160mm bore, 800mm stroke, G3/4 port, and SUS304 stainless rod. Verify your ISO 15552 mounting accessory and confirm the -S magnet for current AirTAC switch compatibility. If downsizing, a 125mm bore yields 6136N push at 0.5MPa; if upsizing, 200mm provides 15708N. Note that a plain cylinder drifts on air loss—the cushion only decelerates—so use an external rod lock or pilot check valve for load holding, or specify the SAIL/BSAI lock variant. For the 800mm stroke, use external guides to prevent rod bending and side-load wear.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160BX800S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SI160 Standard Cylinder SI160BX800S FAQ
Yes, the AirTAC SI160BX800S is discontinued. The direct replacement is the SAI160BX800S. It shares the identical ISO 15552 mounting interface, 160mm bore, 800mm stroke, output force, G3/4 port, and accessories, dropping straight into existing fixtures.
This double-acting cylinder features a G3/4 port and delivers 10053N push / 9425N pull at 0.5MPa, 14074N push at 0.7MPa, 18095N push at 0.9MPa, and a theoretical max of 2050 kgf at 1.0MPa. It operates at 30-500mm/s with a 50mm adjustable cushion at each end.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160BX800S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160BX800S replacement — usually within 7-8 hours.