This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160BX220, 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 SI160BX220
The AirTAC SI160 Standard Cylinder SI160BX220 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 220mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160BX220, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke220 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160BX220
- 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 SI160BX220
The AirTAC SI160BX220 is a discontinued double-acting ISO 15552 profile cylinder with a 160 mm bore and 220 mm stroke. It delivers a push force of 10053 N at 0.5 MPa and uses a G3/4 air port. The direct replacement is the SAI160BX220, which maintains the exact same ISO 15552 mounting interface, output force, and port size for existing fixtures.
This specific SKU features a SUS304 stainless steel rod (-B) and lacks a magnet, meaning it cannot accept legacy CS1-B/DS1-B sensors. The SAI upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure.
Airtac SI160 Standard Cylinder SI160BX220 Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160BX220 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160BX220 |
| Bore size | Ø160 mm |
| Stroke | 220 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 SAI160BX220 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 SAI160BX220 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 SI160BX220
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×220 | 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 SI160BX220 Is Used
Heavy Stamping Press
Drives large heavy-duty stamping and forming dies requiring high thrust and a robust 40 mm SUS304 rod.
Pallet Lift Station
Lifts loaded pallets vertically, utilizing the 512 kg safe vertical lift capacity at 0.5 MPa.
Automated Assembly Fixture
Clamps large fabricated components securely during heavy industrial welding and machining operations.
Replacing the Airtac SI160 Standard Cylinder SI160BX220 with the SAI160BX220
To replace the SI160BX220, order the SAI160BX220. Confirm the ISO 15552 mounting interface, the 220 mm stroke, the G3/4 port (PT/G/NPT), and your mounting accessory. Because this SKU lacks the -S magnet, it cannot support position sensing; if sensing is needed, specify an SAI with the magnet option. The SAI family also adds SAIL (air-released lock), SAIF (built-in 4M valve), and BSAI (clamp-lock) variants the SI line lacked. For load holding, note that a plain cylinder drifts on air loss—the cushion only decelerates—so use an external rod lock or pilot check valve for secure holding. When sizing both ways, the 125 mm bore offers less force, while the 200 mm bore provides more; at 0.5 MPa this 160 mm bore yields 10053 N push and 9425 N pull.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160BX220
- ✓ 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 SI160BX220 FAQ
Yes, the SI160BX220 is discontinued. The direct replacement is the SAI160BX220. It is dimensionally interchangeable per ISO 15552, keeping the same 160 mm bore, 220 mm stroke, G3/4 port, and mounting interface.
This double-acting cylinder uses a G3/4 air port. The force 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 max of 2050 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160BX220
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160BX220 replacement — usually within 7-8 hours.