This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160AX800, 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 SI160AX800
The AirTAC Airtac SI160 Standard Cylinder SI160AX800 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 SAI160AX800, 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 → SAI160AX800
- 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 SI160AX800
The AirTAC SI160AX800 is a discontinued double-acting ISO 15552 profile cylinder featuring a 160 mm bore, 800 mm stroke, and an SUS420J2 stainless steel piston rod. Delivering 10053 N push force at 0.5 MPa, it is replaced by the direct replacement SAI160AX800. This successor shares the exact G3/4 port, M36x2 thread, and ISO 15552 mounting dimensions, fitting existing fixtures perfectly.
The SAI upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure and extended life. Because this specific SI SKU lacks a magnet (-S), it cannot accept position sensors. Note that plain cylinders drift without air; use an external rod lock or pilot check valve for load holding.
Airtac SI160 Standard Cylinder SI160AX800 Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160AX800 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160AX800 |
| 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 SAI160AX800 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 SAI160AX800 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 SI160AX800
| 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 SI160AX800 Is Used
Heavy Stamping Press
Drives large platens and heavy dies requiring 10053 N push force at 0.5 MPa, utilizing the 800 mm stroke for deep-draw operations.
Pallet Dispenser
Actuates substantial pallet handling mechanisms where the SUS420J2 stainless rod offers corrosion resistance in humid logistics environments.
Large Mold Clamping
Secures heavy industrial molds on injection machinery, relying on the 50 mm adjustable air cushions to decelerate massive moving masses.
Replacing the Airtac SI160 Standard Cylinder SI160AX800 with the SAI160AX800
To replace the SI160AX800, order the SAI160AX800, confirming the ISO 15552 interface, 160 mm bore, 800 mm stroke, G3/4 port, and SUS420J2 rod option. Sizing down, a 125 mm bore yields 6136 N [email protected]; sizing up, a 200 mm bore provides 15708 N. This 800 mm stroke demands external guides to prevent rod bending under side loads. A plain cylinder does not hold load on air loss—cushions only decelerate—so specify an external rod lock, pilot check valve, or the SAIL/BSAI lock variants for hold requirements. The SAI family also adds the SAIF valve option for smaller bores. This no-magnet SKU cannot support switches.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160AX800
- ✓ 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 SI160AX800 FAQ
Yes, the SI160AX800 is discontinued. The direct replacement is the SAI160AX800. It shares the identical ISO 15552 mounting interface, 160 mm bore, 800 mm stroke, output force, and G3/4 port, fitting seamlessly into existing machinery.
This double-acting cylinder features a G3/4 port and M36x2 rod thread. Force output is 10053 N push and 9425 N pull at 0.5 MPa, 14074 N push at 0.7 MPa, 18095 N push at 0.9 MPa, with a theoretical max of 2050 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160AX800
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160AX800 replacement — usually within 7-8 hours.