This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160BX5, 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 SI160BX5
The AirTAC Airtac SI160 Standard Cylinder SI160BX5 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 5mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160BX5, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke5 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160BX5
- 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 SI160BX5
The AirTAC SI160BX5 is a discontinued double-acting ISO 15552 profile cylinder with a 160 mm bore and 5 mm stroke, delivering 10053 N push force at 0.5 MPa. The direct replacement is the SAI160BX5, retaining the exact G3/4 port, M36x2 rod thread, and ISO 15552 mounting interface. This specific SKU lacks a magnet (-S) and cannot accept position sensors.
The SAI upgrade features an upgraded piston seal with two Y-shaped one-way elements for low start-up pressure and long life. It also introduces SAIL and BSAI lock variants absent in the SI line. The -B suffix denotes a SUS304 stainless steel rod for corrosion resistance.
Airtac SI160 Standard Cylinder SI160BX5 Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160BX5 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160BX5 |
| Bore size | Ø160 mm |
| Stroke | 5 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 SAI160BX5 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 SAI160BX5 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 SI160BX5
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×5 | 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 SI160BX5 Is Used
Heavy Press Tonnage
Generates 14074 N at 0.7 MPa for short-stroke stamping, forming, and heavy-duty press operations in metal fabrication.
Short-Stroke Clamping
Ideal for high-force, 5 mm travel clamping of large steel plates or structural members in heavy welding fixtures.
Corrosive Environment Actuation
The SUS304 stainless rod (-B) excels in chemical washdown zones or humid plants where carbon steel rods would degrade.
Replacing the Airtac SI160 Standard Cylinder SI160BX5 with the SAI160BX5
To replace this SI160BX5, order the SAI160BX5, confirming the ISO 15552 mounting dimensions, 160 mm bore, 5 mm stroke, G3/4 port, and SUS304 rod (-B). Because this SKU lacks the -S magnet, it cannot support legacy CS1-B/DS1-B sensors; if sensing is needed, specify an SAI160X5S. Sizing down, a 125 mm bore yields 6136 N push @0.5 MPa; sizing up, a 200 mm bore yields 15708 N. Note that a plain cylinder drifts on air loss—the cushion only decelerates. For load holding, use an external pilot check valve or the SAIL/BSAI lock variants.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160BX5
- ✓ 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 SI160BX5 FAQ
Yes, the AirTAC SI160BX5 is discontinued. The direct replacement is the SAI160BX5, which shares the identical ISO 15552 mounting interface, 160 mm bore, 5 mm stroke, output force, and G3/4 port. You can install it directly into existing fixtures.
This double-acting cylinder features a G3/4 air port. The thrust ratings are: 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 force of 2050 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160BX5
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160BX5 replacement — usually within 7-8 hours.