Hex base · engraved size
Stainless air caps to the W400 pattern, hex base with engraved size — the key to a clean, consistent fan pattern.

| Pattern | W400 (hex base) |
|---|---|
| Material | Stainless steel |
| Sizes | 1.3 / 1.4 / 1.5 / 1.8 / 2.0 mm |
| Gun | HVLP gravity W-400 |
| Mark | Engraved size |
| Use | Fan pattern |
Typical operating ranges for this family — exact values are confirmed on the drawing / TDS before production.
| Thread | NPT / BSP / Metric (per request) |
|---|---|
| Material | Stainless steel |
| Working pressure | Per request |
| Flow rate | Matched to W-400 gun |
| Temperature | -20 °C to +80 °C |
We engineer to drawing. Send us your requirements — quote within 24 hours.
📧 Request a QuoteMaterial & Build: brass / plated brass air cap (W400 pattern).
Typical Applications: W400-pattern spray gun atomization, finishing shop, automotive refinish.
Supply Origin: spray gun air cap (W400) from Ningbo factory China — assembled and QC-checked in our own workshop. OEM / ODM customization, private-label packaging and mixed-SKU container loads available on request.