This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement SAI160X70H, 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 SI160X70H
The AirTAC SI160 Standard Cylinder SI160X70H is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø160mm bore and 70mm stroke, G3/4 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAI160X70H, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ160 mm
- Stroke70 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2.0
- StatusDiscontinued → SAI160X70H
- 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 SI160X70H
The AirTAC SI160X70H is a discontinued double-acting ISO 15552 profile cylinder featuring a 160mm bore and 70mm stroke. Built with an extruded aluminium barrel and adjustable air cushions, it delivers 10053 N push force at 0.5 MPa. The direct replacement is the SAI160X70H, matching the bore, stroke, G3/4 port, and ISO 15552 mounting interface.
This specific SKU includes a Viton H high-temperature seal (0 to 150 C) but lacks a magnet, so it cannot accept position switches. The SAI upgrade introduces a two-piece Y-shaped piston seal for lower start-up pressure.
Airtac SI160 Standard Cylinder SI160X70H Technical Specifications
| Model | Airtac SI160 Standard Cylinder SI160X70H |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | SAI160X70H |
| Bore size | Ø160 mm |
| Stroke | 70 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 SAI160X70H 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 SAI160X70H 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 SI160X70H
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 160 | Bore size in mm. |
| ×70 | 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 SI160X70H Is Used
Heavy Press Forming
Applies the 14074 N push force at 0.7 MPa for high-tonnage metal stamping and heavy assembly press operations.
High-Temp Molding Ejector
Uses the Viton H seal to withstand 150 C ambient heat while ejecting dense molded components from heated platens.
Pallet Stopper Gate
Acts as a robust 160mm bore blocking barrier in automated distribution hubs to halt heavy loaded pallets.
Replacing the Airtac SI160 Standard Cylinder SI160X70H with the SAI160X70H
To replace the SI160X70H, order the SAI160X70H to retain the exact ISO 15552 mounting interface, 70mm stroke, and G3/4 port. Because this non-magnetic SKU cannot hold a position switch, confirm if legacy CS1-B/DS1-B sensors were required. For load holding, note that standard cylinders drift on air loss; use an external pilot check valve or the SAIL/BSAI lock variants. If sizing up or down, neighbouring bores (125mm or 200mm) alter the 0.5 MPa push force (6136 N or 15708 N respectively).
Replacement checklist
- ✓ Same ISO 15552 interface → SAI160X70H
- ✓ 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 SI160X70H FAQ
Yes, the AirTAC SI160X70H is discontinued. The direct replacement is the SAI160X70H, which shares the identical ISO 15552 mounting interface, 160mm bore, 70mm stroke, output force, and G3/4 port.
It features a G3/4 port and M36x2 rod thread. The thrust is 10053 N push and 9425 N pull at 0.5 MPa, 14074 N push at 0.7 MPa, 18095 N push at 0.9 MPa, and a maximum theoretical force of 2050 kgf at 1.0 MPa.
Related AirTAC SAI Cylinders
Request a Quote for the SAI160X70H
Send us the quantity and destination. We confirm price, stock and lead time on the SAI160X70H replacement — usually within 7-8 hours.