This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160BX700S, 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 SI160BX700S
The AirTAC SI160 Standard Cylinder SI160BX700S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 700mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160BX700S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke700 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160BX700S
- 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 SI160BX700S
The AirTAC SI160BX700S is a discontinued double-acting ISO 15552 profile cylinder with a 160 mm bore, 700 mm stroke, and SUS304 stainless steel rod. Delivering 10053 N push force at 0.5 MPa, it is replaced by the SAI160BX700S. This direct upgrade shares the exact ISO 15552 mounting interface, G3/4 port, and 2050 kgf max force. The SAI features an upgraded piston seal with two Y-shaped one-way elements for low start-up pressure and long life.
The -S magnet works with legacy CS1-B/DS1-B sensors, while the SAI family adds SAIL and BSAI lock variants the SI lacked. Note that a plain cylinder drifts on air loss; the cushion only decelerates.
Airtac SI160 Standard Cylinder SI160BX700S Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160BX700S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160BX700S |
| Bore size | Ø160 mm |
| Stroke | 700 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 SAI160BX700S 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 SAI160BX700S 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 SI160BX700S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×700 | 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 SI160BX700S Is Used
Heavy Machinery Forming
Drives large press beds and forming tools requiring 10053 N of push force at 0.5 MPa over a 700 mm travel distance.
Bulk Material Diversion
Actuates heavy-duty diverter gates on aggregate or mining conveyors, relying on adjustable 50 mm cushions to decelerate the load.
Replacing the Airtac SI160 Standard Cylinder SI160BX700S with the SAI160BX700S
To replace the SI160BX700S, order the SAI160BX700S. Verify the ISO 15552 mounting interface, 160 mm bore, 700 mm stroke, G3/4 port, and M36x2 rod thread. The -B rod is SUS304 stainless steel, and the -S magnet supports CS1-B/DS1-B switches (the SAI uses current AirTAC switches). If sizing up or down, compare neighbouring bores and the 14074 N push force at 0.7 MPa. Because this is a 700 mm stroke, use external guides to prevent rod bending and side-load damage. A plain cylinder does not hold load without live air; for holding, use an external rod lock, pilot check valve, or the SAIL/BSAI lock variant.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160BX700S
- ✓ 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 SI160BX700S FAQ
Yes, the AirTAC SI160BX700S is discontinued. The direct replacement is the SAI160BX700S. It is dimensionally interchangeable per ISO 15552, retaining the same 160 mm bore, 700 mm stroke, 2050 kgf max force, G3/4 port, and mounting interface, but upgrades to a two Y-shaped element piston seal for lower start-up pressure.
This double-acting cylinder has a G3/4 air port. It delivers 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, and a theoretical maximum of 2050 kgf at 1.0 MPa. Operating speed is 30-500 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160BX700S
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