Airtac B04-SCD Specialized Standard Cylinder for Construction Machinery B04-SCD100X1000
The AirTAC Airtac B04-SCD Specialized Standard Cylinder for Construction Machinery B04-SCD100X1000 is a genuine double-acting DOUBLE-ROD air cylinder: the Ø25mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø100mm bore, 1000mm stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Rod (both ends)Ø25 mm
- Stroke1000 mm
- Port sizePT1/2
- Rod configDouble rod (through)
- CushionAdjustable, 29 mm
About the Airtac B04-SCD Specialized Standard Cylinder for Construction Machinery B04-SCD100X1000
The B04-SCD100X1000 is an AirTAC double-acting, double-rod cylinder where the piston rod passes through both end caps. The B04- prefix designates this as a construction-machinery dedicated variant of the standard SCD100X1000, meaning it is mechanically identical to the base model. Because the rod area is subtracted on both sides, the push and pull thrust are perfectly balanced at 3681 N each way at 0.5 MPa, climbing to 6626 N at 0.9 MPa.
With a 1000 mm stroke, this unit features a Ø25 rod protruding from both ends, PT1/2 ports, and adjustable cushions with a 29 mm length. The through-rod geometry provides superior guidance and anti-rotation characteristics compared to a single-rod unit, making it highly effective for synchronized two-sided actuation on heavy equipment. Note that the double-rod design makes the retracted body length A(SCD) 263 mm, which is longer than an equivalent single-rod SC cylinder.
Airtac B04-SCD Specialized Standard Cylinder for Construction Machinery B04-SCD100X1000 Technical Specifications
| Model | Airtac B04-SCD Specialized Standard Cylinder for Construction Machinery B04-SCD100X1000 |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø100 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 1000 mm |
| Rod configuration | Double rod — rod through both caps |
| 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 SCD (double-rod) datasheet. Because the rod runs through both caps, the effective area is (bore² − rod²) in both directions. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø100mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | 5154 N |
| Max (@1.0 MPa) | 751 kgf | |
Push and pull are EQUAL on a double-rod cylinder — both chambers lose the rod area, so effective area = (bore² − rod²) each way. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac B04-SCD Specialized Standard Cylinder for Construction Machinery B04-SCD100X1000
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 100 | Bore size in mm. |
| ×1000 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCJ (adjustable stroke), SCT (multi-position). SCD mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac B04-SCD Specialized Standard Cylinder for Construction Machinery B04-SCD100X1000 Is Used
Heavy Equipment Actuation
Drives synchronized push-pull mechanisms on construction machinery where the B04- prefix indicates dedicated heavy-equipment deployment.
Shuttle Transfer Tables
Moves large workpieces back and forth with equal 3681 N force and consistent speed in both directions over the 1000 mm travel.
Non-Rotating Pushers
Utilizes the dual-ended through rod to prevent twisting during long-stroke pushing tasks on massive structural components.
Is the Airtac B04-SCD Specialized Standard Cylinder for Construction Machinery B04-SCD100X1000 the Right Cylinder?
Select this 100 mm bore when an application demands identical 3681 N force in both directions over a 1000 mm travel. If your mechanism only requires thrust in one direction, the standard single-rod AirTAC SC100X1000 is a lighter, more compact choice. If the mechanism faces severe side loads, a dedicated guided cylinder with linear rails is recommended over relying solely on the through-rod for support.
At a 1000 mm stroke, the unsupported rod length is substantial; always use an external guide or load-support mechanism to prevent rod bending and premature bearing wear. To replace this cylinder, match the 100 mm bore, 1000 mm stroke, PT1/2 port thread, basic mounting, and non-magnet configuration. If position feedback is required, order the -S suffix to enable CMSG/DMSG/EMSG sensors. Remember that the adjustable cushions only decelerate the piston near stroke ends; they do not lock or hold a load. If the mechanism must hold position without live air pressure, fit an external mechanical lock or pilot-operated check valve.
Double-rod checklist
- ✓ Need equal force / speed both directions?
- ✓ Rear rod for tooling, stopper or sensor flag?
- ✓ Better rod guidance / anti-rotation?
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Keep BOTH rod ends clear of side load and interference.
- check Adjust end cushion screws for smooth stops.
- check Use SCD mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac B04-SCD Specialized Standard Cylinder for Construction Machinery B04-SCD100X1000 FAQ
The B04- prefix indicates this is a construction-machinery dedicated variant of the SCD100X1000. It is mechanically identical to the base model, offering the same 100 mm bore, 1000 mm stroke, and 3681 N equal push/pull force at 0.5 MPa.
A double-rod cylinder provides identical push and pull forces (3681 N each way at 0.5 MPa here) and equal speeds in both directions. The through-rod also offers better anti-rotation resistance and allows tooling or sensors to be mounted on the rear side.
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