This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement B04-SAID32X100, 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-SID32X100
The AirTAC Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID32X100 is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 100mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the B04-SAID32X100, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke100 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → B04-SAID32X100
- 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-SID32X100
The AirTAC B04-SID32X100 is a double-acting, double-rod ISO 15552 cylinder where a rod exits both ends, ensuring push and pull force are equal (345 N at 0.5 MPa). The B04- prefix marks this as AirTAC's construction-machinery dedicated variant of the base SID32X100, mechanically identical to the standard model. As a discontinued SKU, its direct replacement is the SAID32X100, which retains the exact G1/8 port, M10x1.25 rod thread, and 27 mm cushion. The SAI upgrade features a two Y-shaped one-way piston seal for lower start-up pressure and longer life.
Because both faces use the rod-side area, force is equal both ways, offering excellent anti-rotation stability and allowing the back rod to drive a second tool. This non-magnet version cannot take a sensor. Note that air cushions only decelerate; for load holding on air loss, use an external rod lock or the SAIL/BSAI variant.
Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID32X100 Technical Specifications
| Model | Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID32X100 |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | B04-SAID32X100 |
| Bore size | Ø32 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max standard stroke | Up to 1000 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The B04-SAID32X100 carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The B04-SAID32X100 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-SID32X100
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×100 | 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-SID32X100 Is Used
Excavator Panel Pusher
Drives a synchronized two-tool stamping mechanism on heavy-equipment cabs, using the equal both-ways force to push and pull panels without deflection.
Loader Linkage Stop
Acts as an anti-rotation stop in compact loader arms, where the double-rod geometry maintains precise alignment under rapid directional changes.
Crusher Feed Gate
Regulates aggregate flow in construction-machinery crushers, relying on the back rod to mechanically trip a cam without needing a magnet sensor.
Replacing the Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID32X100 with the B04-SAID32X100
To replace the discontinued B04-SID32X100, select the SAID32X100, which offers a direct ISO 15552 interface match with identical bore, stroke, and force. Size both ways by checking equal push/pull force against your load; if 345 N at 0.5 MPa is insufficient, step up to the 40 mm bore (528 N) or down to a smaller profile. A double rod is right when you need anti-rotation resistance or synchronized two-tool driving. Mounting options include Basic, FA, LB, and TC. This SKU lacks the -S magnet, so it cannot support sensing. For strokes of 300 mm or longer, carefully manage side-load moments to prevent guide wear.
Replacement checklist
- ✓ Same ISO 15552 interface → B04-SAID32X100
- ✓ 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-SID32X100 FAQ
Yes, the B04-SID32X100 is discontinued. The direct replacement is the SAID32X100. The B04- prefix simply marks it as the construction-machinery dedicated variant of the SID32X100; the SAID32X100 matches its ISO 15552 interface, G1/8 port, and force exactly, while adding an upgraded piston seal.
Force is equal both ways due to the double-rod design: 345 N at 0.5 MPa, 483 N at 0.7 MPa, and 621 N at 0.9 MPa. The air port is G1/8. It operates at 30-800 mm/s, and the air cushion only decelerates; it will not hold a load on air loss.
Related AirTAC SAI Cylinders
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