This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement B04-SAID80X1000, 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 B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X1000
The AirTAC Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X1000 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 1000mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the B04-SAID80X1000, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke1000 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → B04-SAID80X1000
- 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 B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X1000
The AirTAC B04-SID80X1000 is an ISO 15552 double-acting double-rod cylinder where the B04- prefix designates it as the construction-machinery dedicated variant of the base SID80X1000, mechanically identical to it. A rod exits both ends on one piston, meaning both faces use the rod-side area and push/pull force is equal both ways at 2268 N @0.5 MPa, 3175 N @0.7 MPa, and 4082 N @0.9 MPa. The bore is 80 mm, piston rod Ø25 mm, rod-end thread M20x1.5, and air port G3/8. This SKU has no -S magnet and cannot take a magnetic switch.
This SID model is discontinued and the direct replacement is the SAID80X1000, which retains the same ISO 15552 mounting interface, bore, stroke, force, and port. The SAI replacement uses an upgraded piston seal with two Y-shaped one-way elements for long life and low start-up pressure. A plain cylinder does not hold its load on air loss; the air cushion only decelerates near stroke end, so use an external rod lock or SAIL/BSAI variant for held loads.
Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X1000 Technical Specifications
| Model | Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X1000 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | B04-SAID80X1000 |
| Bore size | Ø80 mm |
| Stroke | 1000 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The B04-SAID80X1000 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
The B04-SAID80X1000 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X1000
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×1000 | 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 B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X1000 Is Used
Excavator Boom Actuation
Provides equal push and pull force for positioning heavy boom components on construction machinery, utilizing the double-rod design to prevent rotational drift during operation.
Crane Load Sync
Drives two synchronized mechanisms from a single piston, allowing the rear rod to carry a mechanical cam while the front rod handles the primary lift in heavy-equipment assemblies.
Heavy Equipment Gates
Operates dual-direction safety gates or heavy mechanical covers on construction vehicles where balanced force and ISO 15552 mounting interchangeability are required.
Replacing the Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X1000 with the B04-SAID80X1000
To replace the discontinued B04-SID80X1000, specify the direct replacement SAID80X1000, reusing your existing ISO 15552 FA, LB, or TC mounts without modification. Size both ways by checking neighbor bores (63 mm or 100 mm) if you need to adjust the equal-both-ways force. Choose a double-rod cylinder when you need anti-rotation stability, or when the back rod must carry a sensor cam or drive two tools. Because this unit lacks the -S magnet, it cannot support sensing; add the -S suffix on the SAID replacement if you need switches. For this 1000 mm stroke, note that side-load and rod-bending forces are amplified, so external guides are recommended to prevent premature seal wear.
Replacement checklist
- ✓ Same ISO 15552 interface → B04-SAID80X1000
- ✓ Same bore / stroke / force
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting reused (FA/FB/CA/CB/CR/LB/TC)
Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X1000 FAQ
Yes, the B04-SID80X1000 is discontinued. The direct replacement is the SAID80X1000. The B04- prefix simply marks it as the construction-machinery dedicated variant of the base SID80X1000, so the SAID replacement shares the exact same 80 mm bore, 1000 mm stroke, G3/8 port, and ISO 15552 mounting interface.
Because it is a double-rod cylinder, force is equal both ways: 2268 N @0.5 MPa, 3175 N @0.7 MPa, and 4082 N @0.9 MPa. The air port is G3/8. Note that a plain cylinder does not hold loads on air loss; the 36 mm adjustable cushion only decelerates near stroke end, so use an external rod lock for held loads.
Related AirTAC SAI Cylinders
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