This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160X1950, 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 SI160X1950
The AirTAC SI160 Standard Cylinder SI160X1950 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 1950mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160X1950, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke1950 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160X1950
- 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 SI160X1950
The AirTAC SI160X1950 is a discontinued double-acting ISO 15552 profile cylinder with a 160 mm bore and 1950 mm stroke. Because the 1950 mm stroke exceeds the 1500 mm standard maximum for this bore, it was produced as a non-standard, made-to-order unit. It delivers a push force of 10053 N at 0.5 MPa via a G3/4 port and a 40 mm rod with an M36x2 thread.
The direct replacement is the SAI160X1950, which shares the exact ISO 15552 mounting interface, output force, and porting. The SAI upgrades the piston seal to two Y-shaped one-way elements for lower start-up pressure and longer life. Note that this specific SKU lacks a magnet (-S), so it cannot accept CS1-B or DS1-B sensors.
Airtac SI160 Standard Cylinder SI160X1950 Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160X1950 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160X1950 |
| Bore size | Ø160 mm |
| Stroke | 1950 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 SAI160X1950 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 SAI160X1950 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 SI160X1950
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×1950 | 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 SI160X1950 Is Used
Large Press Dampening
Uses the 10053 N push force at 0.5 MPa to absorb and position heavy industrial press platens over the extended 1950 mm travel distance.
Pallet Transfer Line
Moves substantial loaded pallets along an assembly line, requiring the robust 160 mm bore and G3/4 air volume for rapid 30-500 mm/s cycling.
High-Bay Extractor
Actuates deep-storage extractor arms where the 1950 mm non-standard stroke reaches distant totes, provided external guides prevent rod deflection.
Replacing the Airtac SI160 Standard Cylinder SI160X1950 with the SAI160X1950
To replace the discontinued SI160X1950, order the SAI160X1950. Verify your ISO 15552 mounting accessories (LB, FA, TC, etc.), the G3/4 port, and the M36x2 rod thread. Because this is a non-standard 1950 mm stroke exceeding the 1500 mm maximum, expect a made-to-order lead time. When sizing, neighboring bores offer alternatives: a 125 mm bore yields 6136 N push at 0.5 MPa, while a 200 mm bore yields 15708 N. A plain double-acting cylinder drifts on air loss—the 50 mm adjustable cushions only decelerate near stroke ends. For load holding, use an external rod lock, a pilot check valve, or the SAIL/BSAI lock variants. Finally, at 1950 mm, the 40 mm rod is highly susceptible to bending; external guide rails are strongly recommended to prevent side-load failures. This no-magnet unit cannot support position sensing.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160X1950
- ✓ 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 SI160X1950 FAQ
Yes, the SI160X1950 is discontinued. The direct replacement is the SAI160X1950. It is dimensionally interchangeable per ISO 15552, maintaining the same 160 mm bore, 1950 mm stroke, 10053 N force, G3/4 port, and mounting interface, but features an upgraded two Y-shaped one-way piston seal for longer life.
At 0.5 MPa it provides 10053 N push and 9425 N pull force, increasing to 14074 N push at 0.7 MPa and 18095 N push at 0.9 MPa. The theoretical max is 2050 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa, speed is 30-500 mm/s, and the G3/4 port and 50 mm cushions handle the massive air volume.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160X1950
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160X1950 replacement — usually within 7-8 hours.