This model is discontinued
AirTAC has phased out the SI series. You can still order this code here: we ship the direct replacement B04-SAID32X160S, 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-SID32X160S
The AirTAC Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID32X160S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø32mm bore and 160mm stroke, G1/8 air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the B04-SAID32X160S, which matches its ISO interface, bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke160 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → B04-SAID32X160S
- 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-SID32X160S
The AirTAC B04-SID32X160S is a double-acting, double-rod ISO 15552 cylinder where a rod exits both ends, ensuring force is equal both ways at 345 N @0.5 MPa. The B04- prefix marks this as a construction-machinery dedicated variant of the base SID32X160S; it is mechanically identical, retaining the 32 mm bore, 160 mm stroke, and G1/8 port. This legacy model is discontinued and directly replaced by the SAID32X160S, which reuses the exact ISO 15552 mounting interface and adds an upgraded piston seal with two Y-shaped one-way elements for lower start-up pressure and longer life.
Because both faces use the identical rod-side area, push and pull force match exactly (483 N @0.7 MPa, 621 N @0.9 MPa). The dual-rod design provides inherent anti-rotation guidance and allows the back rod to carry a sensor cam for the built-in -S magnet. Note that a plain cylinder does not hold loads on air loss; the adjustable 27 mm cushions only decelerate near stroke end, so use an external rod lock or SAIL/BSAI variant for held loads.
Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID32X160S Technical Specifications
| Model | Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID32X160S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | B04-SAID32X160S |
| Bore size | Ø32 mm |
| Stroke | 160 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| 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, 27 mm |
| Max standard stroke | Up to 1000 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The B04-SAID32X160S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The B04-SAID32X160S 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-SID32X160S
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×160 | 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-SID32X160S Is Used
Excavator Linkage Actuation
Provides equal push/pull force and anti-rotation stability for moving secondary construction-machinery covers or linkage arms where consistent force both ways is required.
Heavy-Equipment Component Ejection
Uses the dual rods to drive two synchronized ejection pins on an assembly line, safely pushing machined parts off a fixture with equal force in both directions.
Crane Bracket Alignment
Employs the rear rod to carry a sensor cam for precise position feedback while the front rod aligns heavy structural brackets during welding jigs.
Replacing the Airtac B04-SID Construction Machinery Special ISO Standard Cylinder B04-SID32X160S with the B04-SAID32X160S
To replace the discontinued B04-SID32X160S, specify the SAID32X160S direct: it matches the 32 mm bore, 160 mm stroke, 12 mm rod, M10x1.25 thread, and G1/8 port without altering the ISO 15552 mounting footprint. When sizing both ways, verify the equal force (345 N @0.5 MPa) meets your needs, or step to neighbouring bores like 40 mm (528 N) for higher capacity. A double-rod cylinder is the right choice when you need anti-rotation stability or want to drive two tools simultaneously from one piston. Reuse FA, LB, or TC mounting accessories directly. The -S suffix confirms the piston magnet is present for legacy CS1-B/DS1-B switches (the SAI uses current switches). For strokes of 300 mm or longer, carefully manage side-load alignment to prevent guide wear.
Replacement checklist
- ✓ Same ISO 15552 interface → B04-SAID32X160S
- ✓ 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-SID32X160S FAQ
Yes, the B04-SID32X160S (construction-machinery dedicated variant of SID32X160S) is discontinued. The direct replacement is the SAID32X160S. It shares the same ISO 15552 interface, 32 mm bore, 160 mm stroke, G1/8 port, and equal both-ways force, but adds an upgraded piston seal.
Because it is a double-rod cylinder, force is equal both ways: 345 N @0.5 MPa, 483 N @0.7 MPa, and 621 N @0.9 MPa. The air port is G1/8.
Related AirTAC SAI Cylinders
Request a Quote for the B04-SAID32X160S
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