This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI200X160H, 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.

The AirTAC SI200 Standard Cylinder SI200X160H is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø200mm bore and 160mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI200X160H, which matches its ISO interface, bore, stroke, force and mounting.
The AirTAC SI200X160H is a discontinued double-acting ISO 15552 profile cylinder with a 200 mm bore and 160 mm stroke. Built for high-temperature service with Viton H seals (0 to 150 C), it delivers 15708 N push force at 0.5 MPa through its G3/4 port. As this SKU lacks a magnet (-S), it cannot accept a magnetic switch.
AirTAC replaced this EOL unit with the SAI200X160H. It is a direct upgrade retaining the exact ISO 15552 mounting interface, M36x2 rod thread and 50 mm cushions. The SAI features an upgraded piston seal (two Y-shaped one-way elements for low start-up pressure) and introduces SAIL and BSAI lock variants the SI lacked.
| Model | Airtac SI200 Standard Cylinder SI200X160H |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI200X160H |
| Bore size | Ø200 mm |
| Stroke | 160 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 SAI200X160H carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
The SAI200X160H produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 200 | Bore size in mm. |
| ×160 | 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).
Provides the high thrust needed to eject large formed panels from 1000-ton stamping presses operating in high-temperature environments.
Shifts heavy hot extrusion profiles along cooling beds where ambient heat demands Viton H seals rated for 0 to 150 C.
Drives massive injection molding tools onto staging carriages, utilizing the 160 mm stroke for precise loading and unloading cycles.
To replace the SI200X160H, order the SAI200X160H. Verify your ISO 15552 mounting fixtures (foot, flange or trunnion), the G3/4 air port, and the M36x2 rod thread. Because this is a no-S SKU, it has no magnet and cannot use CS1-B/DS1-B sensors. If you need to hold the load on air loss, note that the cushions only decelerate; you must add an external rod lock, a pilot check valve, or switch to the SAIL/BSAI lock variant. To size both ways, neighboring bores are 160 mm and 125 mm. At 0.5 MPa this 200 mm bore pushes 15708 N and pulls 15080 N. For any stroke over 300 mm, guide the load to prevent rod bending and side-load wear.
Replacement checklist
Yes, the AirTAC SI200X160H is discontinued. The direct replacement is the SAI200X160H. It shares the identical ISO 15552 mounting interface, 200 mm bore, 160 mm stroke, output force, G3/4 port and 50 mm cushion, fitting your existing fixtures perfectly.
This 200 mm bore cylinder features a G3/4 air port and a 40 mm rod. It delivers 15708 N push and 15080 N pull at 0.5 MPa, 21991 N push at 0.7 MPa, 28274 N push at 0.9 MPa, and a theoretical maximum of 3204 kgf at 1.0 MPa.
Send us the quantity and destination. We confirm price, stock and lead time on the SAI200X160H replacement — usually within 7-8 hours.