This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement B04-SAID63X200S, 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-SID63X200S
The AirTAC Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID63X200S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø63mm bore and 200mm stroke, G3/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the B04-SAID63X200S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke200 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → B04-SAID63X200S
- 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-SID63X200S
The AirTAC B04-SID63X200S is a double-acting double-rod ISO 15552 cylinder where the B04- prefix marks it as the construction-machinery dedicated variant of the base SID63X200S, mechanically identical to it. A rod exits both ends on one piston, meaning both faces use the rod-side area and push and pull force are equal at 1402 N @0.5 MPa, 1962 N @0.7 MPa, and 2523 N @0.9 MPa. It features a 63mm bore, 200mm stroke, G3/8 port, M16x1.5 rod thread, and 30mm adjustable cushions. This SID model is discontinued and end-of-life; the direct replacement is the SAID63X200S, which reuses the same ISO 15552 mounting interface, bore, stroke, and port.
The SAI replacement uses an upgraded piston seal with two Y-shaped one-way elements for long life and low start-up pressure. The -S suffix indicates a built-in piston magnet for legacy CS1-B/DS1-B switches. A plain cylinder does not hold its load on air loss or when valve centered; the piston drifts and the air cushion only decelerates near stroke end. For a held load, use an external rod lock, pilot-operated check valve, or the SAIL/BSAI lock variant.
Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID63X200S Technical Specifications
| Model | Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID63X200S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | B04-SAID63X200S |
| Bore size | Ø63 mm |
| Stroke | 200 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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, 30 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The B04-SAID63X200S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
The B04-SAID63X200S 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-SID63X200S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 63 | Bore size in mm. |
| ×200 | 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-SID63X200S Is Used
Excavator Linkage Control
Drives dual-tool mechanisms on heavy equipment where equal push and pull force is required for precise positioning of construction machinery components.
Crusher Feed Gate
Operates a counterweighted gate in aggregate processing, using the back rod to carry a sensor cam for end-of-stroke confirmation in harsh environments.
Loader Attachment Actuator
Actuates secondary attachments on earthmoving machinery, relying on the double-rod geometry to prevent rotation and maintain stable load transfer.
Replacing the Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID63X200S with the B04-SAID63X200S
To replace the discontinued B04-SID63X200S, select the SAID63X200S, which offers a direct swap retaining the exact ISO 15552 mounting interface, 63mm bore, 200mm stroke, G3/8 port, and equal-both-ways force. Size both directions by verifying your push and pull requirements against the 1402 N @0.5 MPa baseline, stepping to neighbouring bores if higher force is needed. A double rod is right when you need equal force both ways, anti-rotation stability, or a back rod to carry a sensor cam. Mounting options include Basic, FA, LB, and TC. The -S magnet supports legacy CS1-B/DS1-B switches. For stroke lengths of 300mm or greater, carefully verify side-load limits to prevent excessive guide wear.
Replacement checklist
- ✓ Same ISO 15552 interface → B04-SAID63X200S
- ✓ 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-SID63X200S FAQ
Yes, the B04-SID63X200S is discontinued. The B04- prefix designates it as the construction-machinery dedicated variant of the base SID63X200S. The direct replacement is the SAID63X200S, which matches the ISO 15552 mounting interface, bore, stroke, and G3/8 port without modifications.
Because it is a double-rod cylinder, force is equal both ways: 1402 N @0.5 MPa, 1962 N @0.7 MPa, and 2523 N @0.9 MPa. The bore is 63mm, the air port is G3/8, and the rod-end thread is M16x1.5. It operates at 0.15-1.0 MPa with a speed range of 30-800 mm/s.
Related AirTAC SAI Cylinders
Request a Quote for the B04-SAID63X200S
Send us the quantity and destination. We confirm price, stock and lead time on the B04-SAID63X200S replacement — usually within 7-8 hours.