This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160BX65, 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 SI160BX65
The AirTAC Airtac SI160 Standard Cylinder SI160BX65 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 65mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160BX65, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke65 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160BX65
- 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 SI160BX65
The AirTAC SI160BX65 is a discontinued double-acting ISO 15552 profile cylinder featuring a 160 mm bore, 65 mm stroke, and a SUS304 stainless steel piston rod. Delivering 10053 N of push force at 0.5 MPa, it is directly replaced by the SAI160BX65 direct upgrade. This current-production SAI model shares the exact ISO 15552 mounting interface, G3/4 port, and force ratings, but incorporates an upgraded piston seal with two Y-shaped one-way elements for lower start-up pressure and longer life.
Because this specific SKU lacks the -S magnet suffix, it cannot accept a position sensor and requires external limit switches for detection. If your fixture requires load holding on air loss, note that the standard cushion only decelerates the stroke; you will need an external pilot check valve or the SAIL/BSAI lock variants.
Airtac SI160 Standard Cylinder SI160BX65 Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160BX65 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160BX65 |
| Bore size | Ø160 mm |
| Stroke | 65 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 SAI160BX65 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 SAI160BX65 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 SI160BX65
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×65 | 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 SI160BX65 Is Used
Heavy Press Operations
Generates 14074 N of thrust at 0.7 MPa for high-force stamping, forming, and riveting tasks in heavy industrial manufacturing.
Corrosive Material Handling
The SUS304 stainless steel rod option provides essential corrosion resistance for clamping and actuating in washdown or chemically exposed environments.
Replacing the Airtac SI160 Standard Cylinder SI160BX65 with the SAI160BX65
To replace the discontinued SI160BX65, order the SAI160BX65. Verify your existing fixture's ISO 15552 mounting interface, the G3/4 air port, and the M36x2 rod thread. This -B variant specifies the SUS304 stainless rod for corrosion resistance; if your application does not require it, the standard carbon steel rod is available. Since this unit has no -S suffix, it cannot support legacy CS1-B/DS1-B magnetic sensors, so external mechanical detection must remain in place. For sizing alternatives, dropping to a 125 mm bore yields 6136 N push at 0.5 MPa, while stepping up to a 200 mm bore provides 15708 N. If you need to hold a load mid-stroke safely without drifting, select the SAIL or BSAI locking variants instead of a standard cylinder.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160BX65
- ✓ 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 SI160BX65 FAQ
Yes, the AirTAC SI160BX65 is discontinued. The direct replacement is the SAI160BX65. It shares the same ISO 15552 mounting interface, 160 mm bore, 65 mm stroke, G3/4 port, and output force, fitting directly into existing fixtures.
It features a G3/4 air port and a 40 mm rod. 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, 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 SAI160BX65
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160BX65 replacement — usually within 7-8 hours.