This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160X650H, 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 SI160X650H
The AirTAC SI160 Standard Cylinder SI160X650H is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 650mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160X650H, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke650 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160X650H
- 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 SI160X650H
The AirTAC SI160X650H is a discontinued double-acting ISO 15552 profile cylinder with a 160 mm bore and 650 mm stroke. Delivering 10053 N push force at 0.5 MPa, it features a G3/4 port, M36x2 rod thread, and a high-temperature Viton H seal rated for 0 to 150 C. As this SKU lacks a magnet (-S), it cannot accept a position sensor. The direct replacement is the current-production SAI160X650H, which maintains identical ISO 15552 mounting dimensions, bore, stroke, force, and porting.
The SAI upgrade introduces a two Y-shaped one-way piston seal for low start-up pressure and extended life. While the standard cushion decelerates the load, it will not hold position on air loss; for secure load holding, consider the SAIL or BSAI lock variants, or an external pilot check valve.
Airtac SI160 Standard Cylinder SI160X650H Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160X650H |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160X650H |
| Bore size | Ø160 mm |
| Stroke | 650 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 SAI160X650H 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 SAI160X650H 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 SI160X650H
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×650 | 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 SI160X650H Is Used
Heavy Stamp Press Feed
Drives heavy metal blanks into large stamping presses, utilizing the 10053 N push force and 50 mm adjustable cushions to handle massive inertia safely.
Pallet Lift Actuator
Raises loaded industrial pallets vertically, matching the 512 kg vertical lift capacity while requiring external guides for the 650 mm stroke.
High-Temp Divert Gate
Actuates heavy diverter gates in hot environments up to 150 C, relying on the Viton H seals to maintain integrity under thermal stress.
Replacing the Airtac SI160 Standard Cylinder SI160X650H with the SAI160X650H
To replace the discontinued SI160X650H, order the SAI160X650H direct equivalent, verifying the ISO 15552 interface, 650 mm stroke, G3/4 port, and Viton H high-temperature seal. Because this specific SKU has no magnet, it cannot support sensing; if position detection is needed, specify an SAI model with the magnet option and current AirTAC switches. Sizing checks should evaluate both directions: the 140 mm bore offers 14074 N push at 0.5 MPa, while the 200 mm bore provides 15708 N. For load holding without live air, a plain cylinder drifts, so specify an external rod lock, a pilot check valve, or the SAIL/BSAI locking variants. Finally, at 650 mm of travel, side-load and rod-bending risks increase; ensure external guide rails support the load to prevent premature seal wear.
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160X650H
- ✓ 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 SI160X650H FAQ
Yes, the AirTAC SI160X650H is discontinued. The direct replacement is the SAI160X650H. It is dimensionally interchangeable per ISO 15552, retaining the same 160 mm bore, 650 mm stroke, 10053 N force, G3/4 port, and mounting interface.
This double-acting cylinder features a G3/4 air port and delivers a push force of 10053 N and pull of 9425 N at 0.5 MPa. At 0.7 MPa push is 14074 N, and 18095 N at 0.9 MPa. The theoretical maximum force is 2050 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160X650H
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160X650H replacement — usually within 7-8 hours.