
The AirTAC Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC100X250 is a genuine double-acting standard air cylinder with a Ø100mm bore and 250mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The B04-SC100X250 is AirTAC's construction-machinery dedicated variant of the standard SC100X250 tie-rod cylinder. The B04- prefix designates it for heavy-equipment builders, but mechanically it is identical to the base SC100X250, delivering 3927N of push force at 0.5MPa and 7068N at 0.9MPa.
This double-acting pneumatic cylinder features a 25mm piston rod, PT1/2 port, and 29mm adjustable cushions. With a body length A of 188mm, the total extended length is 438mm. It uses standard TPU seals for a -20 to +70C operating range.
| Model | Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC100X250 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 250 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| 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, 29 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (approx.) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SC | Standard tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×250 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Drives auxiliary covers or filtration mechanisms on heavy excavation equipment where the B04 construction-machinery prefix is specified.
Provides robust 7068N push force at 0.9MPa to eject dense formed parts from large industrial presses.
Powers heavy-duty diverter arms on aggregate or bulk material conveyors in demanding outdoor environments.
This 100mm bore provides substantial thrust; if less force is needed, the 80mm bore offers 2513N at 0.5MPa, or step up to 125mm for 6136N. Because this model has a 250mm stroke, side loads can bend the unsupported 25mm rod. Use external guides or a guided cylinder to prevent rod-bearing wear.
For a direct replacement, match the 100mm bore, 250mm stroke, PT1/2 thread, basic mounting, and no magnet. The SC is a tie-rod cylinder, shorter than ISO 15552 types, so verify overall length before swapping.
Quick checklist
The B04- prefix indicates this is AirTAC's construction-machinery dedicated line. It is mechanically identical to the standard SC100X250, offering the same 100mm bore, 250mm stroke, and 7068N thrust at 0.9MPa.
No. The adjustable cushion only decelerates the piston near stroke end and does not lock the rod. If the application must hold a vertical load without live pressure, you need an external rod brake or pilot-operated check valve.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models usually ship in 3-4 days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.