Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC32X175
The AirTAC Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC32X175 is a genuine double-acting standard air cylinder with a Ø32mm bore and 175mm stroke, PT1/8 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ32 mm
- Stroke175 mm
- Port sizePT1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC32X175
The B04-SC32X175 is an AirTAC double-acting tie-rod cylinder where the B04- prefix designates it as a construction-machinery dedicated variant of the standard SC32X175, retaining identical mechanical specifications. Delivering a push force of 402 N at 0.5 MPa, it is built for heavy-equipment builders needing compact linear actuation.
This specific configuration features a 32 mm bore, a 175 mm stroke, and a 12 mm piston rod. With a body length A of 140 mm and a 21 mm adjustable cushion, the total extended length is approximately 315 mm. It operates efficiently between -20 and +70 C using standard TPU seals.
Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC32X175 Technical Specifications
| Model | Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC32X175 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke | 175 mm |
| Acting type | Double acting |
| Port size | PT1/8 |
| 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, 21 mm |
| Max stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (approx.) | 82 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-SC32X175
| SC | Standard tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×175 | 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-SC32X175 Is Used
Excavator Door Latching
Acts as a robust pneumatic latch to secure heavy access panels and cab doors on earthmoving equipment.
Concrete Mixer Discharge
Provides the linear push force needed to operate small discharge gates or flow diversion valves on batching rigs.
Boom Arm Positioning
Drives secondary positioning levers or safety lock mechanisms on compact loader boom arms.
Is the Airtac B04-SC Construction Machinery Special Standard Cylinder B04-SC32X175 the Right Cylinder?
If your application requires less force, stepping down is not an option as 32 mm is the smallest standard SC bore. If you need more power, consider moving up to the 40 mm bore, which provides 628 N of push force at 0.5 MPa. For replacements, ensure an exact match by verifying the 32 mm bore, 175 mm stroke, PT1/8 port thread, basic mounting style, and the absence of a magnet.
Because this model has a stroke of 175 mm, side loads can induce bending on the 12 mm rod. For heavy construction machinery environments with potential off-axis loads, use an external guide rail or a dedicated guided cylinder to prevent premature rod bearing wear.
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-SC32X175 FAQ
The B04- prefix indicates that this is a construction-machinery dedicated variant of the standard AirTAC SC32X175 cylinder. It is mechanically identical to the base model, offering the same 32 mm bore, 175 mm stroke, and 402 N push force at 0.5 MPa.
No, this is a double-acting cylinder and cannot hold position without live air pressure. The adjustable cushion only decelerates the piston at stroke end to soften impact; a mechanical lock or external brake is required to hold a load safely.
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