Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC63X900
The AirTAC B04-SC Construction Machinery Special Standard Cylinder B04-SC63X900 is a genuine double-acting standard air cylinder with a Ø63mm bore and 900mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ63 mm
- Stroke900 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 28 mm
- 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-SC Construction Machinery Special Standard Cylinder B04-SC63X900
The B04-SC63X900 is an AirTAC construction-machinery dedicated double-acting tie-rod cylinder. The B04- prefix marks it as the heavy-equipment variant of the standard SC63X900, sharing identical mechanics, 63mm bore, and 900mm stroke. It generates 1559N of push force at 0.5 MPa and up to 2805N at 0.9 MPa.
Featuring a 20mm piston rod, PT1/4 port, and 28mm adjustable cushions, this unit handles long actuation tasks. Its total extended length reaches approximately 1053mm (body length A 153mm + stroke). The standard TPU seals operate reliably between -20 and +70 C.
Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC63X900 Technical Specifications
| Model | Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC63X900 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 900 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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, 28 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.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (approx.) | 318 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC63X900
| SC | Standard tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×900 | 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.
Where the Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC63X900 Is Used
Excavator Door Actuation
Drives heavy cab doors or access panels on earthmoving equipment, utilizing the full 900mm stroke for wide clearance openings.
Concrete Pump Positioning
Shifts discharge chutes or flow diverters on concrete machinery where the 2805N output at 0.9 MPa ensures positive locking against material flow resistance.
Crane Outrigger Deployment
Extends and retracts locking pins or secondary safety stops for mobile crane outriggers, relying on adjustable cushions to soften impact at stroke end.
Is the Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC63X900 the Right Cylinder?
This 63mm bore provides a middle-ground force output; step down to a 50mm bore (982N push at 0.5 MPa) for lighter loads, or up to an 80mm bore (2513N push at 0.5 MPa) for heavier pushing. For exact replacements, match the 63mm bore, 900mm stroke, PT1/4 port, basic mounting, and non-magnet configuration.
At 900mm of stroke, the unsupported 20mm rod is highly susceptible to bending under side loads. Always use an external guide rail or a guided cylinder to prevent rod-bearing damage and premature seal failure.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC63X900 FAQ
The B04- prefix indicates this is an AirTAC construction-machinery dedicated variant of the SC63X900. It is mechanically and dimensionally identical to the standard SC63X900, featuring the same 63mm bore, 900mm stroke, and 2805N maximum force at 0.9 MPa.
No, this is a double-acting air cylinder and will drift or drop if pressure is lost or the valve is centered. The adjustable cushions only decelerate the piston near the stroke ends; a mechanical lock or external rod brake is required to hold loads safely.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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