This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160AX140S, 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 SI160AX140S
The AirTAC SI160 Standard Cylinder SI160AX140S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 140mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160AX140S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke140 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160AX140S
- 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 SI160AX140S
The AirTAC SI160AX140S is a discontinued double-acting ISO 15552 profile cylinder with a 160 mm bore and 140 mm stroke. It delivers 10053 N push force at 0.5 MPa through a G3/4 port. AirTAC replaced this legacy unit with the SAI160AX140S, a direct upgrade sharing the exact ISO 15552 mounting interface, output force, and accessories.
The SAI replacement features an upgraded piston seal with two Y-shaped one-way elements for low start-up pressure and long life. Your -A code specifies the SUS420J2 stainless steel piston rod for corrosion resistance, while the -S magnet works with legacy CS1-B/DS1-B sensors.
Airtac SI160 Standard Cylinder SI160AX140S Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160AX140S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160AX140S |
| Bore size | Ø160 mm |
| Stroke | 140 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 SAI160AX140S 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 SAI160AX140S 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 SI160AX140S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×140 | 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 SI160AX140S Is Used
Heavy Press Clamping
Generates 14074 N at 0.7 MPa to secure large steel plates during machining operations.
Industrial Forming Press
Provides the robust linear force needed for heavy-duty stamping and metal bending tasks.
Pallet Lift Actuation
Drives robust lifting mechanisms in automated distribution centers handling heavy loads.
Replacing the Airtac SI160 Standard Cylinder SI160AX140S with the SAI160AX140S
To replace the SI160AX140S, order the SAI160AX140S. Confirm the ISO 15552 mounting fixture, the 140 mm stroke, the G3/4 port, and the -A SUS420J2 rod. The -S magnet enables current AirTAC switches. For load holding, note that a plain cylinder drifts without live air; the cushion only decelerates. Use an external rod lock, pilot check valve, or the SAIL/BSAI lock variants. If sizing up or down, neighboring bores are 125 mm and 200 mm. At 0.5 MPa, this 160 mm bore yields 10053 N push and 9425 N pull.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160AX140S
- ✓ 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 SI160AX140S FAQ
Yes, the SI160AX140S is discontinued. The direct replacement is the SAI160AX140S. It shares the identical ISO 15552 mounting interface, 160 mm bore, 140 mm stroke, force, and G3/4 port, fitting your existing fixtures perfectly.
The 160 mm bore provides 10053 N push and 9425 N pull at 0.5 MPa, 14074 N push at 0.7 MPa, and a theoretical max of 2050 kgf at 1.0 MPa. Operating speed is 30-500 mm/s. It uses a 50 mm adjustable air cushion and an M36x2 rod thread.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160AX140S
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160AX140S replacement — usually within 7-8 hours.