説明
Compressed Air Is the Fourth Utility. Every Leak Is a Tax on Your Bottom Line.
The Airweave Node is a comprehensive pneumatic connector system spanning 4mm, 6mm, 8mm, and 10mm push-fit profiles — the four diameters that cover 90% of industrial compressed air, vacuum, and fluid logic circuits. Available in bulk packs of 20 or 100 pieces, this is the fitting that plant maintenance teams buy by the carton because downtime costs more than the part that prevents it.
Each fitting body is injection-molded from PBT (polybutylene terephthalate) — the engineering polymer that bridges the gap between commodity nylon and exotic PEEK. PBT resists the zinc stearate migration that embrittles standard nylon fittings after 18-24 months of compressor oil mist exposure. The stainless steel gripping collet bites into polyurethane and nylon tubing with 360-degree radial force — no single-point pinch that deforms the tube wall and creates a slow leak. And the fluoroelastomer O-ring maintains its seal integrity from -20°C cold-start mornings to +80°C compressor discharge temperatures. This is the fitting you forget is there. That is the entire design brief.
A pneumatic system is only as reliable as its smallest connector. The Airweave Node makes that connector a non-issue.
Key Features
- ✦ 4mm / 6mm / 8mm / 10mm Push-Fit Profiles — Full-diameter coverage for plant-wide standardization
- ✦ PBT Body Material — Resists compressor oil mist degradation; 3× longer service life vs. PA6 nylon
- ✦ 316 Stainless Steel Gripping Collet — 360° radial grip; no tube deformation or single-point stress
- ✦ FKM (Fluoroelastomer) O-Ring — Seals from -20°C to +80°C; immune to synthetic compressor oils
- ✦ Bulk Pack Efficiency — 20-piece and 100-piece options; consistent lot traceability
- ✦ Instant Push-to-Connect — No tools, no thread sealant, no torque wrench
- ✦ Vacuum-Rated to -99kPa — Suitable for pick-and-place, suction cup circuits, and vacuum clamping
Technical Specifications
- Body Material: PBT (Polybutylene Terephthalate), glass-fiber reinforced
- Collet Material: 316 Stainless Steel
- Seal Material: FKM (Fluoroelastomer) O-ring
- Available Sizes: 4mm / 6mm / 8mm / 10mm (tube OD)
- Pack Quantity: 20 pcs or 100 pcs per lot
- Operating Pressure: 0–1.0 MPa (0–145 PSI)
- Vacuum Rating: -99kPa (-29.2 inHg)
- Temperature Range: -20°C to +80°C (-4°F to +176°F)
- Tube Compatibility: PU (Polyurethane) and PA (Nylon) tubing
- Thread Standards: BSPT (R), BSPP (G), NPT — metric M5/M6/M8 also available
Application Scenarios
The Airweave Node is the universal connective tissue of industrial automation. Factory compressed air networks running at 6-8 bar rely on these fittings at every manifold junction, cylinder port, and valve terminal — a single leaking fitting wastes approximately 0.5 CFM of compressed air, which costs roughly $120/year in electricity. Multiply by a plant with hundreds of connections, and the PBT body material pays for itself in the first quarter through leak prevention alone. CNC machine builders specify stainless steel collet fittings on coolant mist lines because standard brass push-fits corrode and seize within months. Food packaging lines use the FKM-sealed variants on washdown equipment where EPDM O-rings swell from cleaning chemical exposure. Laboratory vacuum systems for pick-and-place semiconductor handling depend on the -99kPa rating for consistent wafer gripping force. And for the plant maintenance engineer managing a facility with mixed legacy NPT and metric BSPT threaded ports, the Airweave Node's thread compatibility eliminates the adapter jungle that accumulates over decades of incremental upgrades.
Frequently Asked Questions
Q: How do I properly insert and release tubing from a push-fit fitting?
A: Insertion: cut the tubing square (use a tube cutter, not scissors), push firmly until you feel it seat past the O-ring — roughly 12mm for 4-6mm fittings, 15mm for 8-10mm. Give a gentle pull to confirm engagement. Release: press the collet release ring flush against the fitting body while pulling the tube out. Never pull tubing without depressing the release ring — this damages the collet and creates the very leaks you installed push-fits to avoid.
Q: What is the real difference between PBT and standard nylon (PA6) fittings?
A: Nylon (PA6) absorbs moisture from compressed air over time, swelling 2-3% and embrittling. Compressor oil mist carries zinc stearate (a mold-release agent from compressor internals) that chemically attacks PA6, accelerating this embrittlement. PBT absorbs <0.1% moisture, resists zinc stearate degradation, and maintains dimensional stability — which means the O-ring groove tolerances stay precise, and the seal stays airtight. In a plant environment with oil-lubricated screw compressors, PBT fittings reliably outlast PA6 by 2-3×.
Q: Can I use these fittings with soft silicone or PVC tubing?
A: Push-fit fittings are designed for semi-rigid tubing with a defined hardness — typically Shore A 95-98 for PU and Shore D 60-70 for nylon. Soft silicone tubing (Shore A 50-70) will not grip reliably and may pull out under pressure. For silicone connections, use barbed fittings with hose clamps or cable ties. The push-fit collet requires a minimum tube wall stiffness to maintain the locking force.
Q: Will the FKM O-ring handle my compressor's synthetic oil?
A: Yes. FKM (fluoroelastomer, commonly known by Chemours' trade name Viton) is specifically formulated to resist synthetic compressor oils — PAO, PAG, and diester-based lubricants that swell and degrade standard NBR (nitrile) O-rings. If your compressor uses mineral oil only, NBR O-rings are adequate, but FKM provides universal chemical compatibility and a wider temperature range (-20°C to +80°C vs. NBR's -10°C to +70°C).
Q: How many fittings should I keep in my maintenance spares inventory?
A: The 100-piece bulk pack covers a single diameter for a medium-sized facility's quarterly consumption. For a mixed-diameter plant, stock one 100-pack of your most common size (typically 6mm or 8mm) and 20-packs of the adjacent sizes. The PBT material's shelf life is effectively indefinite when stored away from UV exposure, so bulk purchasing is cost-effective. A good rule of thumb: one fitting per active pneumatic device per year for planned replacements, plus 20% buffer for unexpected repairs.
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