Hot-dip galvanized pipe and threaded fittings for specified building-service applications, with coating condition and thread standard stated in the enquiry.
See galvanized pipe and threaded fittings in separate full-product images.
Open Galvanized Guide →The galvanized layer should look clean and intact, with the characteristic zinc finish—not painted silver. End protection, threading and service suitability are checked before quotation.
Pipe dimensions and fitting ranges vary by standard and brand. State the complete approved specification where available.
| Product | Common specification basis | Indicative range |
|---|---|---|
| Hot-dip galvanized steel pipe | ASTM A53 or EN 10255, as specified | NPS ½–6 typical enquiry range |
| Threaded malleable iron fittings | EN 10242 or ASME B16.3 | NPS ⅛–6 by fitting and brand |
| Galvanized nipples | Thread and pipe standard to schedule | NPS ½–6; length stated |
| Unions | Flat or taper seat by manufacturer | NPS ½–4 typical product range |
| Flanges and adapters | To project specification | By enquiry |
| Detail | What to state |
|---|---|
| Pipe class / wall | Schedule, medium/heavy class or exact referenced standard |
| Thread | BSPT/BSPP/NPT as required—never inferred from size alone |
| Coating | Hot-dip galvanizing requirement and any certification |
| Ends | Plain, threaded, socketed or grooved as specified |
| Service | Fluid, temperature, pressure and required approvals |
