This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAID160X300S, 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 SID Series Double-Rod Cylinder SID160X300S
The AirTAC Airtac SID Series Double-Rod Cylinder SID160X300S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 300mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAID160X300S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke300 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAID160X300S
- 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 SID Series Double-Rod Cylinder SID160X300S
The AirTAC SID160X300S is a double-acting, double-rod ISO 15552 cylinder where a rod exits both ends, yielding equal force in both directions (9425 N at 0.5 MPa). It features a 160 mm bore, a 40 mm piston rod, M36x2 rod threads, and a G3/4 air port. This legacy model is discontinued; the direct replacement is the SAID160X300S, which reuses the exact same mounting interface and porting.
The SAI upgrade introduces a two-piece Y-shaped piston seal for lower start-up pressure and longer life. Note that air cushions only decelerate; an external rod lock or SAIL/BSAI variant is required to hold loads on air loss.
Airtac SID Series Double-Rod Cylinder SID160X300S Technical Specifications
| Model | Airtac SID Series Double-Rod Cylinder SID160X300S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAID160X300S |
| Bore size | Ø160 mm |
| Stroke | 300 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 SAID160X300S 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 SAID160X300S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SID Series Double-Rod Cylinder SID160X300S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×300 | 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 SID Series Double-Rod Cylinder SID160X300S Is Used
Twin-Tool Machining Station
Drives two opposing machining heads simultaneously from one piston, utilising the equal both-ways force to ensure perfectly balanced cutting feed on both sides of the workpiece.
Anti-Rotation Transfer Gate
Uses the dual exiting rods to mechanically resist rotation without external guides, smoothly diverting heavy packages on a high-speed packaging line.
Cam-Driven Forming Press
Employs the rear rod to carry a sensor cam for precise end-of-stroke positioning while the front rod applies 9425 N of forming force at 0.5 MPa.
Replacing the Airtac SID Series Double-Rod Cylinder SID160X300S with the SAID160X300S
To replace the discontinued SID160X300S, install the direct replacement SAID160X300S, matching the 160 mm bore, 300 mm stroke, G3/4 port, and ISO 15552 mounting. Because the double-rod design yields equal both-ways force, verify your push and pull requirements against the 9425 N @0.5 MPa rating; if less force is acceptable, the 125 mm bore offers 5734 N, while the 200 mm bore provides 15080 N. Choose a double-rod cylinder when you need anti-rotation stability, a back rod to carry a sensor cam, or to drive two tools simultaneously. Reuse FA, LB, or TC mounts directly. The -S suffix indicates a piston magnet for legacy CS1-B/DS1-B switches. At 300 mm stroke, use external guides to prevent rod bending under side loads.
Replacement checklist
- ✓ Same ISO 15552 interface → SAID160X300S
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac SID Series Double-Rod Cylinder SID160X300S FAQ
Yes, the SID160X300S is discontinued. The direct replacement is the SAID160X300S, which matches the 160 mm bore, 300 mm stroke, G3/4 port, and ISO 15552 mounting interface, while adding an upgraded piston seal.
Force is equal both ways: 9425 N at 0.5 MPa, 13194 N at 0.7 MPa, and 16964 N at 0.9 MPa. Operating speed is 30-500 mm/s. The cylinder uses a G3/4 port and includes 50 mm adjustable air cushions at each end.
Related AirTAC SAI Cylinders
Request a Quote for the SAID160X300S
Send us the quantity and destination. We confirm price, stock and lead time on the SAID160X300S replacement — usually within 7-8 hours.