This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement B04-SAID80X600S, 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-SID80X600S
The AirTAC Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X600S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø80mm bore and 600mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the B04-SAID80X600S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke600 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → B04-SAID80X600S
- 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-SID80X600S
The B04-SID80X600S is an AirTAC double-rod ISO 15552 cylinder where the B04- prefix marks it as the construction-machinery dedicated variant of the base SID80X600S; mechanically, every spec matches the standard model exactly. Because a rod exits both ends on one piston, both faces use the rod-side area, making push and pull force equal (2268 N at 0.5 MPa). This double-rod design prevents rotation and allows the back rod to carry a sensor cam. The bore is 80 mm, the port is G3/8, and the rod thread is M20x1.5. This SID model is discontinued.
The direct replacement is the SAID80X600S, which reuses the exact ISO 15552 mounting interface, bore, stroke, and port. The SAI family upgrades the piston seal to two Y-shaped one-way elements for lower start-up pressure and longer life. The -S suffix means a piston magnet is present for legacy CS1-B/DS1-B switches. Note that air cushions only decelerate; an external rod lock is needed to hold loads.
Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X600S Technical Specifications
| Model | Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X600S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | B04-SAID80X600S |
| Bore size | Ø80 mm |
| Stroke | 600 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-SAID80X600S 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-SAID80X600S 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-SID80X600S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×600 | 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-SID80X600S Is Used
Excavator Linkage Actuation
Drives secondary construction-machinery mechanisms where equal push and pull force is required, using the back rod end to mount a position sensor cam without extra brackets.
Heavy Equipment Fork Positioning
Moves heavy loads on machinery frames with anti-rotation stability, preventing the load from twisting during transit over rough terrain.
Synchronized Tool Transfer
Simultaneously drives two separate work tools from one piston, utilizing the equal force on both rod ends for balanced construction-equipment material handling.
Replacing the Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID80X600S with the B04-SAID80X600S
To replace the discontinued B04-SID80X600S, use the SAID80X600S directly—it is a direct match for the ISO 15552 interface, 80 mm bore, 600 mm stroke, and G3/8 port. When sizing, remember force is equal both ways: 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa. If you need more force, step up to the 100 mm bore; if less, drop to the 63 mm bore. A double-rod cylinder is right when you need anti-rotation, equal push/pull power, or a back rod to drive a second tool. You can reuse FA, LB, or TC mounts. The -S magnet works with legacy CS1-B/DS1-B sensors. Because the stroke is 600 mm, add external guides to prevent rod bending under side loads.
Replacement checklist
- ✓ Same ISO 15552 interface → B04-SAID80X600S
- ✓ 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-SID80X600S FAQ
Yes, the B04-SID80X600S is discontinued. The direct replacement is the SAID80X600S. The B04- prefix simply marks it as the construction-machinery dedicated variant of the SID80X600S, so all physical specs are identical. The SAID keeps the same ISO 15552 mounting, 80 mm bore, 600 mm stroke, G3/8 port, and force, but adds an upgraded Y-shaped piston seal.
Because it is a double-rod cylinder, force is equal both ways: 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa. The air port is G3/8. Speed is 30-800 mm/s.
Related AirTAC SAI Cylinders
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