Standards
- ASME B16.5
- ASME B16.47 by project review
- EN / GOST / drawing-based requests
Shanxi Baolongda manufactures forged weld neck flanges for pressure piping, refinery, petrochemical, skid, vessel and industrial project packages.
Target buyer terms: weld neck flange manufacturer China, WN flange supplier, ASME B16.5 weld neck flange, ASTM A105 weld neck flange.
Email: [email protected]
Phone / WhatsApp: +86 180 9217 8292
Send drawing, standard, material grade, pressure class, face type and quantity for review.
Weld neck flanges are a core forged flange item for buyers who need a stronger welded connection and clearer pressure-piping documentation.
| RFQ data | NPS, pressure class, facing, bore, schedule, material grade, quantity and marking requirements. |
|---|---|
| Best-fit markets | Oil and gas, petrochemical, chemical, power, marine, pressure equipment and industrial maintenance. |
| Related pages | Long weld neck flange, blind flange, anchor flange. |
Practical buyer questions before sending a weld neck flange RFQ.
Send NPS or DN, pressure class or PN, facing, bore or pipe schedule, material grade, quantity, standard and inspection requirements.
Yes. If the item is outside a standard table, attach the drawing so forging size, machining allowance, bore and face details can be checked before pricing.
Common requests include EN 10204 3.1 MTC, heat treatment records, dimensional inspection, marking check, PMI, UT, MT/PT and third-party inspection when required.
Email: [email protected] | Phone / WhatsApp: +86 180 9217 8292