This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAID160X700, 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 Airtac SID Series Double-Rod Cylinder SID160X700 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 700mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAID160X700, which matches its ISO interface, bore, stroke, force and mounting.
The AirTAC SID160X700 is a discontinued ISO 15552 double-acting double-rod cylinder with a 160mm bore and 700mm stroke. A rod exits both ends on one piston, meaning both faces use the rod-side area, so push and pull force are equal at 9425N @0.5MPa, 13194N @0.7MPa, and 16964N @0.9MPa. The direct replacement is the SAID160X700, which retains the same G3/4 port, M36x2 rod thread, and 50mm adjustable cushion. The SAI upgrade uses an upgraded piston seal with two Y-shaped one-way elements for low start-up pressure and long life.
Because the rod extends through both ends, the back rod can carry a sensor cam or drive two tools simultaneously with anti-rotation benefits. However, this specific SKU lacks a magnet (no -S suffix) and cannot take a magnetic switch. A plain cylinder does not hold loads on air loss; the air cushion only decelerates near stroke end, so use an external rod lock or SAIL/BSAI variant for held loads.
| Model | Airtac SID Series Double-Rod Cylinder SID160X700 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAID160X700 |
| Bore size | Ø160 mm |
| Stroke | 700 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 SAID160X700 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 | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
The SAID160X700 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). |
|---|---|
| 160 | Bore size in mm. |
| ×700 | 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).
Drives two synchronized workpieces from opposite ends simultaneously, utilizing the equal push and pull force to maintain balanced positioning on a conveyor line.
Lifts loads vertically with equal force both ways, providing stable anti-rotation control for heavy material handling up to the 480kg computed vertical limit.
Uses the rear extending rod to trigger external mechanical cams or secondary mechanisms while the front rod performs the primary work stroke.
To replace the discontinued SID160X700, swap it directly with the SAID160X700, reusing the existing ISO 15552 mounting interface (Basic, FA, LB, TC, FTC, TCM1, TCM2). Size both ways by checking neighbour bores if you need to adjust the equal-both-ways force: the 125mm bore yields 5734N @0.5MPa, and the 200mm bore yields 15080N @0.5MPa. A double-rod configuration is right when you need equal push/pull forces, anti-rotation stability, or a back rod to drive a second tool. This SKU has no -S magnet and cannot support sensing. Because the 700mm stroke is long, ensure external guides prevent rod bending and side-load damage.
Replacement checklist
Yes, the SID160X700 is discontinued. The direct replacement is the SAID160X700, offering the same ISO 15552 interface, 160mm bore, 700mm stroke, G3/4 port, and mounting options. The SAI family also adds upgraded piston seals and SAIL/BSAI lock variants.
Because it is a double-rod cylinder, force is equal both ways: 9425N @0.5MPa, 13194N @0.7MPa, and 16964N @0.9MPa. The air port is G3/4, the rod thread is M36x2, and speed is 30-500mm/s.
Send us the quantity and destination. We confirm price, stock and lead time on the SAID160X700 replacement — usually within 7-8 hours.